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Oracle SQL Tutorial 33 - NUMBER Data Type
 
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This video we are going to discuss the NUMBER data type. The Number data type is used to store integers, and real numbers. When you create a column as a NUMBER, you can store pretty huge or pretty small numbers in this column. Now there are two things you need to consider when working with numbers, and that is the precision as well as the how big the number is. For example, we can store the number 9.9. This has two significant digits. We could also store the number 9.9 X 10^4. In this situation, the number is much larger, but the number of significant digits is the same. 9.9 are the significant digits. When we expand this out we just have 99000, and the zeros are just used for size and are not considered "significant" in this situation. In fact, you get a max precision of 38, but a maximum value of 9.99 * 10^125. You can also use this data type to store very small numbers. Check the docs for the specifics on maximums and minimums. You can provide it with two pieces of information: Precision - The total number of digits. Scale - The number of digits to the right of the decimal. You do it in this format: NUMBER (precision, scale). The important thing to remember in this is that when you specify a precision, you will be limiting the max size of the numbers. The secret behind this data type is that it is actually stored in scientific notation. That is we store a number and then we can multiply it by 10 raised to some power. This allows us to store much larger numbers without taking up a ton of space. The oracle docs actually gives a formula that you can use to see how much storage is going to be required for a specific NUMBER data type. How much precision can be used? The acceptable range is 1-38. What about scale? The range is actually -84 to 127. I'll explain the scale in more detail in an upcoming video. That's because there is a lot of confusing things here…What does it mean for the scale to be negative? How can we have a scale that is bigger that the total number of digits available through the precision. That's a topic for another video. It's important to understand that when we increase our scale, we decrease the max size of the number. For example if we have a precision of 5 and a scale of 3, the highest number we can store is 99.999. This is in contrast to a precision of 5 and a scale of 2 which allows for up to 99.999. Either way you get 5 significant digits, but the numbers of digits to the left and right of the decimal change. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Support me! http://www.patreon.com/calebcurry Subscribe to my newsletter: http://bit.ly/JoinCCNewsletter Donate!: http://bit.ly/DonateCTVM2. ~~~~~~~~~~~~~~~Additional Links~~~~~~~~~~~~~~~ More content: http://CalebCurry.com Facebook: http://www.facebook.com/CalebTheVideoMaker Google+: https://plus.google.com/+CalebTheVideoMaker2 Twitter: http://twitter.com/calebCurry Amazing Web Hosting - http://bit.ly/ccbluehost (The best web hosting for a cheap price!)
Views: 9779 Caleb Curry
Create Oracle SQL database with auto-incrementing integers for the primary key
 
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Create a new Oracle SQL database using SQL. After the database is created, I demonstrate using an Oracle SQL sequence and trigger to create auto-incrementing integers which are used as the table's primary key.
Views: 12853 Mike Colbert
Oracle SQL Tutorial 24 - Important Data Types
 
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In the upcoming videos we are going to discuss data types in depth, but I don't want to drown you in all of the details. Because of that, I'm giving you this video which is going to introduce you to the most important data types. Then, in the upcoming videos, I'll describe them in more depth. One of the data types we've already discussed in this video is NUMBER. This data type is used to, obviously, store a number. It can be used to store integers (whole numbers), or numbers with decimals. There are two other numeric data types you should know of. BINARY_FLOAT and BINARY_DOUBLE are both numeric data types that are known as floating point numbers. A floating point number is often used for large numbers that have decimal places where it is acceptable to not be completely precise. What I mean by this is that these numbers can only store numbers correctly up to a certain decimal point. If you need perfect precision, you will want to use the NUMBER data type. Now storing numbers is good sometimes, but occasionally you will want to store string data. String data can be any sequence of characters, including numbers. By telling the database that a column is a string data type, the database knows how to treat that column. There are four important string data types that you need to know about. The first two are CHAR and NCHAR. These data types are used to store a fixed-length string. So for example, you can say you want to store 12 characters. This means that every value for this column will be exactly 12 characters. If you insert less than 12 characters, the data will be padded with spaces. This means you will want to use one of these data types when every value in the column is the same length. What is the difference between CHAR and NCHAR? CHAR uses what is known as ASCII while NCHAR uses Unicode. The difference is what characters are allowed and how much space each character takes. ASCII takes up less space but only supports English, numbers, and some symbols. UNICODE allows you to store characters from multiple languages but takes up more space. Those were both fixed-length string. What if you want to store data that changes in length? That is where VARCHAR2 and NVARCHAR2 come in. When it comes to storing dates, the data types that are most important are DATE and TIMESTAMP. Date can be used to store dates and time. Timestamp is a data type that can be used to store an exact moment in time. Lastly, there are interval types. These store a date range. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Support me! http://www.patreon.com/calebcurry Subscribe to my newsletter: http://bit.ly/JoinCCNewsletter Donate!: http://bit.ly/DonateCTVM2. ~~~~~~~~~~~~~~~Additional Links~~~~~~~~~~~~~~~ More content: http://CalebCurry.com Facebook: http://www.facebook.com/CalebTheVideoMaker Google+: https://plus.google.com/+CalebTheVideoMaker2 Twitter: http://twitter.com/calebCurry Amazing Web Hosting - http://bit.ly/ccbluehost (The best web hosting for a cheap price!)
Views: 8024 Caleb Curry
ORACLE || Pl/SQL Program how to read integers from keyboard
 
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DURGASOFT is INDIA's No.1 Software Training Center offers online training on various technologies like JAVA, .NET , ANDROID,HADOOP,TESTING TOOLS , ADF, INFORMATICA,TABLEAU,IPHONE,OBIEE,ANJULAR JS, SAP... courses from Hyderabad & Bangalore -India with Real Time Experts. Mail us your requirements to [email protected] so that our Supporting Team will arrange Demo Sessions. Ph:Call +91-8885252627,+91-7207212428,+91-7207212427,+91-8096969696. http://durgasoft.com http://durgasoftonlinetraining.com https://www.facebook.com/durgasoftware http://durgajobs.com https://www.facebook.com/durgajobsinfo............
Get Decimal/Float output from Integer Division in SQL Server - SQL Server Tutorial
 
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In this video we will learn how to get decimal/float output from Integer division in SQL Server. I am creating this video to answer once of the question that I posted while back for TSQL Interview Question list "If I run Select 100/11 what output will I get?" When you divide Integer by an Integer in SQL Server, SQL Server returns Integer output. As we can see from our above example, SQL Server output is Integer for Integers division. If we want to get float or Decimal output, Either our denominator or Numerator should be float or decimal type. If we have both denominator or numerator as Integers, we can use convert or cast functions to convert one of them to float/decimal so we can get our results as float/decimal. There are multiple techniques you can use to convert/cast to integer to float/decimal, here are some examples SELECT CAST(100 AS FLOAT) /11 AS OutputResult SELECT 100/CAST(11 AS FLOAT) AS OutputResult SELECT 100/CAST(11 AS DECIMAL(12,0)) AS OutputResult SELECT CAST(100 AS DECIMAL(12,0))/11 AS OutputResult Blog post link with scripts used in the video http://sqlage.blogspot.com/2015/02/how-to-get-decimail-output-from.html
Views: 12102 TechBrothersIT
SQL tutorial 61: SEQUENCE in Oracle Database By Manish Sharma RebellionRider
 
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This tutorial is all about Sequence In Oracle Database. In this SQL Tutorial you will learn How to create a sequence How to populate a Primary key column (auto increment in Oracle) using Sequence How to drop a sequence ------------------------------------------------------------------------ ►►►LINKS◄◄◄ Blog : http://bit.ly/sql-sequence-in-oracle-database-rebellionrider-manish-sharma Previous Tutorial ► How To Insert Data into Table using SQL Developer http://youtu.be/YYQCSV6MzTk ► INSERT INTO Command http://youtu.be/uQXgqFtxI_k ► How to copy /Insert data into a table from another table http://youtu.be/m3Ep8tAMqok ------------------------------------------------------------------------- ►►►Help Me In Getting A Job◄◄◄ ►Help Me In Getting A Good Job By Connecting With Me on My LinkedIn and Endorsing My Skills. All My Contact Info is Down Below. You Can Also Refer Me To Your Company Thanks ------------------------------------------------------------------------- Copy Cloud referral link || Use this link to join copy cloud and get 20GB of free storage https://copy.com?r=kb4rc1 -------------------------------------------------------------------------- ►Make sure you SUBSCRIBE and be the 1st one to see my videos! -------------------------------------------------------------------------- Amazon Wishlist: http://bit.ly/wishlist-amazon ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ►►►Find me on Social Media◄◄◄ Follow What I am up to as it happens on https://twitter.com/rebellionrider https://www.facebook.com/imthebhardwaj http://instagram.com/rebellionrider https://plus.google.com/+Rebellionrider http://in.linkedin.com/in/mannbhardwaj/ http://rebellionrider.tumblr.com/ http://www.pinterest.com/rebellionrider/ You can also Email me at for E-mail address please check About section Please please LIKE and SHARE my videos it makes me happy. Thanks for liking, commenting, sharing and watching more of our videos This is Manish from RebellionRider.com ♥ I LOVE ALL MY VIEWERS AND SUBSCRIBERS
Views: 47456 Manish Sharma
Oracle INSTR Function
 
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https://www.databasestar.com/oracle-instr/ The Oracle INSTR function allows you to search a string for the occurrence of another string, and return the position of the occurrence within a string. It’s helpful for finding if a string exists within another string. It can also be used for performing further string manipulation on, like substrings. The syntax of the INSTR function is: INSTR(string, substring [, start_position [, occurrence]]) These parameters are: string: The text string that is searched in. It’s usually the larger of the two strings. Mandatory. substring: The text to search for. It’s usually the smaller of the two strings. Mandatory. start_position: This is an integer value which indicates where in the string value to start the search. Optional, and the default is 1. occurrence: The occurrence of the substring to search for. Optional, and the default is 1, which means the first occurrence. Also, the searches performed by the INSTR function are case-sensitive. The value returned by INSTR is a number value, which is the number in the location of the string where the substring is found. The first character is 1. For more information about the Oracle INSTR function, including all of the SQL shown in this video and the examples, read the related article here: https://www.databasestar.com/oracle-instr/
Views: 5526 Database Star
Oracle SQL Numeric Data Types | Oracle SQL fundamentals
 
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Enroll into full course with free cloud access for 30 days: https://dbagenesis.com/p/oracle-sql-fundamentals/
Views: 36 DBA Genesis
DBMS_RANDOM : Generating Random Data (Numbers, Strings and Dates) in Oracle
 
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A demonstration of how to generate random numbers, strings and dates using the DBMS_RANDOM package in Oracle. For more information see: https://oracle-base.com/articles/misc/dbms_random.php Website: https://oracle-base.com Blog: https://oracle-base.com/blog Twitter: https://twitter.com/oraclebase Cameo by Chet Justice and LC Blog: http://www.oraclenerd.com/ Twitter: https://twitter.com/oraclenerd Cameo appearances are for fun, not an endorsement of the content of this video.
Views: 3993 ORACLE-BASE.com
PL/SQL Tutorial | Accepting User input |Prompt input in Oracle Database
 
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Learn how we can accept user input or prompt a popup box to accept input from user in oracle database using promot and accept syntax. How to accept user input in oracle, How to prompt for user input in oracle, Pop up box for user input in oracle, How to get popup box in oracle, What is accept and prompt syntax in oracle, Linkedin: https://www.linkedin.com/in/aditya-kumar-roy-b3673368/ Facebook: https://www.facebook.com/SpecializeAutomation/
Views: 5931 Specialize Automation
SQL: Sequence Generator
 
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In this tutorial, you'll learn how to make use of sequence generator. PL/SQL (Procedural Language/Structured Query Language) is Oracle Corporation's procedural extension for SQL and the Oracle relational database. PL/SQL is available in Oracle Database (since version 7), TimesTen in-memory database (since version 11.2.1), and IBM DB2 (since version 9.7).[1] Oracle Corporation usually extends PL/SQL functionality with each successive release of the Oracle Database. PL/SQL includes procedural language elements such as conditions and loops. It allows declaration of constants and variables, procedures and functions, types and variables of those types, and triggers. It can handle exceptions (runtime errors). Arrays are supported involving the use of PL/SQL collections. Implementations from version 8 of Oracle Database onwards have included features associated with object-orientation. One can create PL/SQL units such as procedures, functions, packages, types, and triggers, which are stored in the database for reuse by applications that use any of the Oracle Database programmatic interfaces. PL/SQL works analogously to the embedded procedural languages associated with other relational databases. For example, Sybase ASE and Microsoft SQL Server have Transact-SQL, PostgreSQL has PL/pgSQL (which emulates PL/SQL to an extent), and IBM DB2 includes SQL Procedural Language,[2] which conforms to the ISO SQL’s SQL/PSM standard. The designers of PL/SQL modeled its syntax on that of Ada. Both Ada and PL/SQL have Pascal as a common ancestor, and so PL/SQL also resembles Pascal in several aspects. However, the structure of a PL/SQL package does not resemble the basic Object Pascal program structure as implemented by a Borland Delphi or Free Pascal unit. Programmers can define public and private global data-types, constants and static variables in a PL/SQL package.[3] PL/SQL also allows for the definition of classes and instantiating these as objects in PL/SQL code. This resembles usage in object-oriented programming languages like Object Pascal, C++ and Java. PL/SQL refers to a class as an "Abstract Data Type" (ADT) or "User Defined Type" (UDT), and defines it as an Oracle SQL data-type as opposed to a PL/SQL user-defined type, allowing its use in both the Oracle SQL Engine and the Oracle PL/SQL engine. The constructor and methods of an Abstract Data Type are written in PL/SQL. The resulting Abstract Data Type can operate as an object class in PL/SQL. Such objects can also persist as column values in Oracle database tables. PL/SQL is fundamentally distinct from Transact-SQL, despite superficial similarities. Porting code from one to the other usually involves non-trivial work, not only due to the differences in the feature sets of the two languages,[4] but also due to the very significant differences in the way Oracle and SQL Server deal with concurrency and locking. There are software tools available that claim to facilitate porting including Oracle Translation Scratch Editor,[5] CEITON MSSQL/Oracle Compiler [6] and SwisSQL.[7] The StepSqlite product is a PL/SQL compiler for the popular small database SQLite. PL/SQL Program Unit A PL/SQL program unit is one of the following: PL/SQL anonymous block, procedure, function, package specification, package body, trigger, type specification, type body, library. Program units are the PL/SQL source code that is compiled, developed and ultimately executed on the database. The basic unit of a PL/SQL source program is the block, which groups together related declarations and statements. A PL/SQL block is defined by the keywords DECLARE, BEGIN, EXCEPTION, and END. These keywords divide the block into a declarative part, an executable part, and an exception-handling part. The declaration section is optional and may be used to define and initialize constants and variables. If a variable is not initialized then it defaults to NULL value. The optional exception-handling part is used to handle run time errors. Only the executable part is required. A block can have a label. Package Packages are groups of conceptually linked functions, procedures, variables, PL/SQL table and record TYPE statements, constants, cursors etc. The use of packages promotes re-use of code. Packages are composed of the package specification and an optional package body. The specification is the interface to the application; it declares the types, variables, constants, exceptions, cursors, and subprograms available. The body fully defines cursors and subprograms, and so implements the specification. Two advantages of packages are: Modular approach, encapsulation/hiding of business logic, security, performance improvement, re-usability. They support object-oriented programming features like function overloading and encapsulation. Using package variables one can declare session level (scoped) variables, since variables declared in the package specification have a session scope.
Views: 9592 radhikaravikumar
Oracle SQL Generate Random Alphanumeric String
 
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In this video, you’ll learn how to generate random alphanumeric characters in an SQL statement in Oracle SQL You can use Oracle SQL to generate random alphanumeric string values by using one of the built-in functions. This function allows you to specify the type of string to generate - upper or lowercase alpha characters only, mixed alpha characters, uppercase alphanumeric characters, or any printable characters. You can also specify the length of the string to generate, This can be a fixed number, or you can use another function to generate a random number to use for the length! You’ll see some examples of generating random alphanumeric string values in this video. For more information and tips on Oracle SQL, check out DatabaseStar.com: https://www.databasestar.com/
Views: 736 Database Star
Oracle Tutorial || Oracle|Sql Identifiers by basha
 
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DURGASOFT is INDIA's No.1 Software Training Center offers online training on various technologies like JAVA, .NET , ANDROID,HADOOP,TESTING TOOLS ,ADF,INFORMATICA,TABLEAU,IPHONE,OBIEE,ANJULAR JS, SAP... courses from Hyderabad & Bangalore -India with Real Time Experts. Mail us your requirements to [email protected] so that our Supporting Team will arrange Demo Sessions. Ph:Call +91-8885252627,+91-7207212428,+91-7207212427,+91-8096969696. http://durgasoft.com http://durgasoftonlinetraining.com https://www.facebook.com/durgasoftware http://durgajobs.com https://www.facebook.com/durgajobsinfo......
Integer data types in SQL
 
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This video will explain the difference between bigint, int, smallint and tinyint Exercise: https://kiboleafminds.wixsite.com/mysite-2/home/different-types-of-integer-datatypes Our sponsor: https://www.helpmydatabaseisslow.com/
Views: 53 Leaf Minds
auto increment in sql oracle - ( Auto increment field )
 
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auto increment in sql oracle ----------------------------------------------- CREATE table customers ( customer_id int not null, customer_name varchar(50), primary key (customer_id) ); create sequence customer_id minvalue 1 start with 1 cache 10; insert into customers values(customer_id.nextval,'maxwel'); -- to drop sequence drop sequence customer_id
Views: 11846 Data Disc
Oracle SEQUENCES - Beginner
 
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Oracle SEQUENCES - Beginner
Views: 12387 Chris Ostrowski
Oracle SQL MERGE Statement
 
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https://www.databasestar.com/oracle-merge-sql/ In this video, we’ll learn what the Oracle MERGE statement does and how you can use it. What is the MERGE statement? It’s a statement that lets you either insert or update data in a table - all in a single statement! It’s helpful if you’re using an ETL (Extract Transform Load) process when creating or updating a data warehouse. It’s also helpful when loading data into your own database if you’re not creating a data warehouse. It allows you to prevent duplicate data and ensure you have up-to-date data in your table. The syntax looks like this: MERGE INTO table_name USING table_name ON (condition) WHEN MATCHED THEN update_clause DELETE where_clause WHEN NOT MATCHED THEN insert_clause [LOG ERRORS log_errors_clause reject_limit integer | unlimited ] In this video, I also show an Oracle SQL MERGE statement example, so watch the video to find out more. For more information on the MERGE statement and how you can use it in your queries, read the related article here: https://www.databasestar.com/oracle-merge-sql/
Views: 2010 Database Star
Oracle SQL Tutorial 13 - How to Add Column Constraints (Attributes)
 
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So far, we have this table declaration: CREATE TABLE users( user_id NUMBER, username VARCHAR(50 CHAR) first_name VARCHAR2(50 CHAR), last_name VARCHAR2(50 CHAR) ) We can run this command see that it works. As we are learning though, we are going to want to be able to recreate our table with different settings and such, but if you try to run this command, it will complain that the table already exists. So we first need to delete this table before we start editing settings. When we get more experienced, we will learn about ways to edit the structure of a table that already exists. To fix this, we can get rid of the table using the DROP TABLE command: DROP TABLE users You can run this every time if you need to practice by adding a semicolon after it. This is how you can tell Oracle that you are putting in another command after it. This is known as a delimiter. When you run the script, it is going to run both commands. Now we can go through and reconsider our table structure. This is fine for starting out because we don't have any important data in our database, but once your database is in production you are not going to want to just drop tables. In the last video we discussed different constraints that you can apply to columns in a database table, but how do you actually apply these when you are creating a table? The first way you define constraints is to put them right after the column in your CREATE TABLE statement. CREATE TABLE users( username VARCHAR2(50 CHAR) NOT NULL ) When we define constraints this way, we usually say we are adding column attributes. If you have two constraints you want to add, you just put one after the other with spaces in between. There is no particular order that is required. CREATE TABLE users( username VARCHAR2(50 CHAR) NOT NULL UNIQUE ) In this situation we have already given the column the NOT NULL and UNIQUE attributes, so we should consider making this a primary key: CREATE TABLE users( username VARCHAR2(50 CHAR) PRIMARY KEY ) As you can see, adding column attributes is super easy. We can add a default like this: CREATE TABLE users( username VARCHAR2(50 CHAR) PRIMARY KEY, account_balance NUMBER DEFAULT 0 ) Note that now we need the comma after the first row. There are a few constraints we did not talk go through an example, specifically foreign keys and check constraints. We will be adding these constraints to our database in future videos. In the mean time, I have a thought for you… Many people prefer to name their column constraints. That way, we can refer to certain constraints by name. For example, we might have a primary key constraint that could be named users_pk. The way we are creating these constraints does not allow for this feature, so in the next video we are going to be discussing different ways to create constraints. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Support me on Patreon! http://www.patreon.com/calebcurry Subscribe to my newsletter: http://bit.ly/JoinCCNewsletter Donate!: http://bit.ly/DonateCTVM2. ~~~~~~~~~~~~~~~Additional Links~~~~~~~~~~~~~~~ More content: http://CalebCurry.com Facebook: http://www.facebook.com/CalebTheVideoMaker Google+: https://plus.google.com/+CalebTheVideoMaker2 Twitter: http://twitter.com/calebCurry Amazing Web Hosting - http://bit.ly/ccbluehost (The best web hosting for a cheap price!)
Views: 26463 Caleb Curry
how to auto increment varchar in sql server
 
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how to auto increment varchar in sql server
Views: 16835 Kannababu Banna
Creating data model with Oracle SQL Developer  - Part 1
 
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This video tutorial is about creating a data model on existing schema using Oracle SQL Developer. This tutorial also includes adding referential constraints with data model and generating DDL from the data model.
Views: 13461 Subhroneel Ganguly
Oracle SQL Tutorial : How to create Id with AUTO INCREMENT in Oracle PL SQL
 
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Oracle SQL Tutorial Oracle tutorial: How to create Id with AUTO INCREMENT in Oracle oracle tutorial for beginners sequence in oracle identity key in sql In this Oracle tutorial , we can create an auto increment field using ‘sequence’ object that can be assigned as primary keys. Using Oracle ‘sequence’ object, you can generate new values for a column. An Oracle sequence is an object like a table or a stored procedure. Examples CREATE SEQUENCE SYSTEM.MYSEQ START WITH 1 MAXVALUE 999999999999999999999999999 MINVALUE 1 NOCYCLE CACHE 20 NOORDER; CREATE OR REPLACE TRIGGER TR_CITY BEFORE INSERT ON CITY FOR EACH ROW BEGIN SELECT LPAD(LTRIM(RTRIM(TO_CHAR(myseq.NEXTVAL))),10,'0') INTO :NEW.id FROM DUAL; END; / Subscribe on youtube: https://www.youtube.com/channel/UCpiyAesWNYOXSz5GPq8lbkA For more tutorial please visit #techquerypond https://techquerypond.wordpress.com https://twitter.com/techquerypond identity column
Views: 11405 Tech Query Pond
SQL Server -  Pass multiple values to singe parameter in stored procedure   pass integers
 
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Pass multiple integers to single parameter Code available here http://howtodomssqlcsharpexcelaccess.blogspot.ca/2017/02/sql-server-how-to-pass-multiple.html
Views: 6917 Vis Dotnet
How to Concatenate String Values with Integer values in SQL Server - TSQL Tutorial
 
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How to Concatenate String and Integer Values in SQL Server ( + Sign vs CONCAT ) - TSQL Tutorial Working with Databases is fun. On daily basis we save data into tables in different columns and often we need to write queries which involve concatenation of multiple columns of different datatypes to produce our final output. In below example we have saved some data into #Customer Table which has Street Address column as string and zip as INT. we want to produce Full Address by concatenating these columns. To concatenate we can use + sign but this works only with String values. So if we have any Integer value/s we have to convert them to String first. We can use Cast or Convert function to convert Integer value to string. Also if there is any Null value among which values we are concatenating , our output will be Null by using + sign. To take care of that part we can use either ISNULL() or Coalesce Function to replace NULL with blank value in SQL Server. In SQL Server 2012 and Later versions, CONCAT function was introduced. You can concatenate multiple values by using this function. Fun part of this function is you don't have to worry about Null outcome as it will Ignore Null values and also you don't have to worry about converting INT into strings, It will take care of that automatically. So if you are using new versions such as 2012 or later, start taking advantage of this function. Blog post link for the video with script http://sqlage.blogspot.com/2015/03/how-to-concatenate-string-and-integer.html
Views: 16274 TechBrothersIT
Creating a sequence   in oracle
 
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Creating a sequence in oracle
Views: 3389 magan lal
Oracle SQL Tutorial 15 - How to Add Primary Key Constraints
 
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The goal of this video is to take the CREATE TABLE statement we have and walk through the different ways to create primary keys. This and foreign keys are the most common constraints, so we need to make sure that you have this one down. Once we have a more complex database design with multiple tables, we will learn the proper way to create foreign keys. For now, I am going to keep all of our constraints at the column level, unnamed. The only exception is the primary key, because that is what we are focusing on in this video. The first way to create the primary key is at the column level, unnamed. The primary key is very important because it what we use to distinguish rows from one another. Every table you create is going to need a primary key, and I suggest putting a lot of effort into making sure your keys are set up correctly and organized. --Delete the table if needed: DROP TABLE users; CREATE TABLE users( user_id NUMBER PRIMARY KEY, username VARCHAR2(50 CHAR) NOT NULL UNIQUE ) The next way is at the column level, but named: --Delete the table: DROP TABLE users; CREATE TABLE users( user_id NUMBER CONSTRAINT users_pk PRIMARY KEY, username VARCHAR2(50 CHAR)NOT NULL UNIQUE ) The general naming convention here is the table name followed by an underscore, followed by pk for primary key. Finally, the third way, which is at the table level, is the way we are going to create our primary key: --Delete the table: DROP TABLE users; CREATE TABLE users( user_id NUMBER, username VARCHAR2(50 CHAR) NOT NULL UNIQUE, CONSTRAINT users_pk PRIMARY KEY (user_id) ) Now, once you've created these constraints, you can use Oracle SQL Developer to find these constraints. Open your databases in the connections tab and find the table in the Tables folder. Double click your table and travel to the Constraints tab. You can tell here that the UNIQUE constraint still exists in this table, but it has a pretty disgusting name. It kind of wants to make me puke. Referencing that constraint in the future with that wacky name would be a burden. Engrave these three options in your head so that you can use any of them whenever you need and can read other peoples' code. Thank you for sticking with the series thus far. In the next video, we will be…doing something. See you then! :) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Support me on Patreon! http://www.patreon.com/calebcurry Subscribe to my newsletter: http://bit.ly/JoinCCNewsletter Donate!: http://bit.ly/DonateCTVM2. ~~~~~~~~~~~~~~~Additional Links~~~~~~~~~~~~~~~ More content: http://CalebCurry.com Facebook: http://www.facebook.com/CalebTheVideoMaker Google+: https://plus.google.com/+CalebTheVideoMaker2 Twitter: http://twitter.com/calebCurry Amazing Web Hosting - http://bit.ly/ccbluehost (The best web hosting for a cheap price!)
Views: 18869 Caleb Curry
Oracle - User Input
 
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From LYW4.life This video explains how you get get user input in Oracle directly without having to program a front-end.
Views: 153 Andy Wicks
Oracle Database11g tutorials 6 | | How to use Concatenation operator, character String
 
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How to use concatenation operator for combining the output of two or more columns and how to use literal character string This SQL tutorial and Oracle database 11g tutorial for beginners will show How to use concatenation operator for combining the output of two or more columns and how to use literal character string Tool used in this tutorial is SQL developer. This tutorial series is part of SQL expert exam certification training. If you are preparing for SQL certification you can use my tutorials. This SQL Tutorial is a part of free training. Copy Cloud referral link || Use this link to join copy cloud and get 20GB of free storage https://copy.com?r=j7eYO7 You can download the Script which is used in this SQL tutorial from this link https://copy.com/XoSlBjq7yRzn Contacts Email [email protected] Twitter https://twitter.com/rebellionrider Instagram http://instagram.com/RebellionRider Facebook. https://www.facebook.com/imthebhardwaj Linkedin. in.linkedin.com/in/mannbhardwaj/ Thanks for linking, commenting, sharing and watching more of our videos This is Manish from The Code makers
Views: 139075 Manish Sharma
Generating random numbers in Oracle
 
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For more tutorial please visit #techquerypond https://techquerypond.com https://techquerypond.wordpress.com https://twitter.com/techquerypond
Views: 723 Tech Query Pond
How to convert number to text in Oracle SQL
 
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How to convert number to text in Oracle SQL
SQL 12c  Tutorial 19 : SQL  IDENTITY Column for generating Sequence Values by default
 
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SQL 12c Tutorial 19 : SQL IDENTITY Column for generating Sequence Values by default SQL 12c Tutorial for beginners Oracle SQL 12c Tutorial for beginners SQL 12c New Features Identity columns
Views: 1371 TechLake
SQL Server Random Int Integer Generator
 
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Random Integer Generator
Views: 207 CKWTech LLC
Check if Value is Numeric by using ISNUMERIC & TRY_Convert Function in SQL Server - TSQL Tutorial
 
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How to Determine if value is Numeric by using ISNumeric and Try_Convert Function in SQL Server - TSQL Tutorial ISNUMERIC( ) function is provided to us in SQL Server to check if the expression is valid numeric type or not. As per Microsoft it should work with Integers and Decimal data types and if data is valid integer or decimal, ISNumeric() should return us 1 else 0. But ISNUMERIC() does not work as expected with some of values specially when we have "-" or "d" in value and have two numbers after "d" such as 123d22, it still return us 1. Also if we have data in money format $XXXXX e.g $2000, It returns us 1. In SQL Server 2012. Microsoft introduced new function call Try_Convert( ). You can use try_convert function to convert to required data type and if it is not able to convert then it will return Null as output. As you will see below, I did some experiment and found out that Try_Convert will produce 0 for "-" when we try to convert to Int, That should not be happening as "-" is symbol not Integer. But when I try to convert "-" to decimal, Try_Convert produced Null output. Take a look in below results and keep in mind the outputs when you have to evaluate expression to Numeric or find out if expression is Numeric or Not. Blog post link for this video http://sqlage.blogspot.com/2015/03/how-to-determine-if-value-is-numeric-by.html
Views: 3788 TechBrothersIT
51. Starting AUTO INCREMENT with a particular Number in SQL (Hindi)
 
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Please Subscribe Channel Like, Share and Comment Visit : www.geekyshows.com
Views: 12389 Geeky Shows
ORACLE SQL- 8. double ampersand
 
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insead of repeating the same value always we can make it as a fixed value using double ampersand
Views: 1134 Ban3 GaiN
SQL Tutorial - SQL DATE Functions like GETDATE, DATEADD, CONVERT
 
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http://www.learningsqlserver2008.com/ https://youtu.be/KmsmPOImpHo - Date functions in SQL Server 2012 GETDATE -- Today's date DATEADD - adding time interval to an existing Date DATEPART - return part of the date like year or month DATEDIFF - Give you the different between two dates DAY - returns the day of the month MONTH - return the Month of the Year YEAR - returns the year in the Sql expression CAST - Converts an expression of one data type to another in SQL Server 2008 R2 CONVERT - Convert expressions of one data type to another in sql server r2 SQL Tutorial
Views: 69227 baghul
Tutorial#5 Why/When/Where we use  data type in oracle database
 
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tutorial on oracle data type like Number blob/clob/nclob/(integer)/varchar2/varchar/char/nvarchr2/ncharvarchar2/date/long/rowid Giving the in-depth explanation on the data type of Oracle database -------------------------------------------------- Oracle SQL Practice Question: https://drive.google.com/open?id=1FfoIhRvGfgPnTfEV7ZqBjl1q4sZ2ePr_ -------------------------------------------------- Frequently asked interview question on Oracle SQL https://www.youtube.com/watch?v=f7E30fV8wJA&index=1&list=PLiLpmqwkwkCv4qmtBnz4M3zIs1_ukkboT In this video, you will get the answer to the following question what is Oracle data type where to use Oracle data type why we Oracle data type oracle data types tutorial In this series we cover the following topics: SQL basics, create table oracle, SQL functions, SQL queries, SQL server, SQL developer installation, Oracle database installation, SQL Statement, OCA, Data Types, Types of data types, SQL Logical Operator, SQL Function,Join- Inner Join, Outer join, right outer join, left outer join, full outer join, self-join, cross join, View, SubQuery, Set Operator. follow me on: Facebook Page: https://www.facebook.com/LrnWthr-319371861902642/?ref=bookmarks Contacts Email: [email protected] Instagram: https://www.instagram.com/lrnwthr/ Twitter: https://twitter.com/LrnWthR
Views: 717 EqualConnect Coach
Jupyter Notebooks and the Oracle Database (Overview)
 
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In this short video I'll give a quick run through the Jupyter Notebooks and using them with Oracle and SQL Magics. This is the first in a series where I'll talk about why I user Jupyter, Python and Docker as my environment for testing and developing with the Oracle database. The cx_Oracle driver can be found here. https://oracle.github.io/python-cx_Oracle/ The Jupyter Notebooks Home Page is here https://jupyter.org/ The SQL Magics web page is here https://github.com/catherinedevlin/ipython-sql The Pandas Web Page is here https://pandas.pydata.org/ My Github Page with some Docker, Oracle, Jupyter Notebooks (Work in progress) https://github.com/domgiles/JuypterLabWork
Views: 284 Dominic Giles
How to convert numbers into rupees in oracle
 
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How to convert numbers in to rupees or dollor in oracle ,oracle developer ,oracle reports,oracle forms,plsql , sql
Views: 204 Gulfaraz Anis
Oracle SQL Developer Tutorial For Beginners   95   Concatenation
 
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Oracle SQL Developer Tutorial For Beginners Series. This course introduces Oracle SQL Development for its subscribers. Currently this is based on Oracle 12c. The test environment is in Windows 10.
Views: 772 Sam Dhanasekaran
How to join or concatenate two column in oracle database in urdu
 
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How to concatenate a two column in oracle database in urdu. How to concatenate a two column in SQL PLUS in urdu.
Views: 2685 modern IT Channel
SelectTec | Aula Nº 12 |Create Table Primary key - Oracle SQL Developer
 
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primary key syntax: create table nome_tabela (coluna1 tipo not null, coluna2 tipo, constraint nome_pk primary key (coluna1) );
Views: 3978 SelectTec
SQL Complete Tutorial - ADD or SUBSTRACT or MULTIPLY between two columns - Chapter 6
 
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In this video, I have explained how to add_subtract_multiply the two columns from the particular table. Comment - Follow - Like : https://www.facebook.com/TechyVickyBlog https://www.twitter.com/techyvicky https://www.pinterest.com/techyvicky/techy-vicky-blog https://plus.google.com/109896475845510580320/
Views: 41880 Vicky's Blog
How to Import Flat File into Oracle with SQL Developer
 
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How to Import from Excel to Oracle with SQL Developer
Views: 165 Adam Tech
Oracle CAST Function
 
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https://www.databasestar.com/oracle-cast/ The Oracle CAST function allows you to convert one data type to another. It’s similar to the TO_NUMBER, TO_DATE, and TO_CHAR functions, but allows for more functionality, including converting to many other data types. The syntax of the CAST function is: CAST( {expr | MULTISET (subquery) } AS type_name ) The structure of this function is different to other functions, because it uses the word AS to separate parameters rather than a comma. You can run this function like many other functions, on a single row, which would look like this: CAST( expr AS type_name ) Or, you can run it as though it’s a subquery, using the MULTISET feature: CAST( MULTISET (subquery) AS type_name ) The parameters of the CAST function are: - expr (mandatory choice): This is the value or expression that is to be converted to another data type. - MULTISET (optional): This keyword indicates that the subquery results will return multiple rows, and are then CAST into a collection value. If this is omitted, and the subquery returns multiple rows, it will only return a single row. - subquery (mandatory choice): This is the subquery that can be run to be converted into a collection data type. - type_name (mandatory): This is the Oracle data type that the expr or subquery will be converted to. There are several data types that are compatible with the CAST function, both for converting from and to. You can find the full list in the article mentioned below. For more information about the Oracle CAST function, including all of the SQL shown in this video and the examples, read the related article here: https://www.databasestar.com/oracle-cast/
Views: 2621 Database Star
HOW TO RETURN MULTIPLE VALUES FROM A PROCEDURE IN ORACLE PL/SQL? (USING OUT PARAMETERS)
 
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This video tutorial explains how an oracle procedure can return multiple values with a proper example. The video tutorial shows how this problem can be tacked using simple and easy to understand out parameters!!!
Views: 16512 Kishan Mashru
Oracle SQL Developer Tutorial For Beginners  84   SELECT EVERYTHING
 
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Oracle SQL Developer Tutorial For Beginners Series. This course introduces Oracle SQL Development for its subscribers. Currently this is based on Oracle 12c. The test environment is in Windows 10.
Views: 966 Sam Dhanasekaran
50. AUTO INCREMENT in SQL (Hindi)
 
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Please Subscribe Channel Like, Share and Comment Visit : www.geekyshows.com
Views: 18198 Geeky Shows
SQL 041 Data Types, Exact Numeric, INT or INTEGER
 
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Explains the exact numeric data type INT or INTEGER. From http://ComputerBasedTrainingInc.com SQL Course. Learn by doing SQL commands for ANSI Standard SQL, Access, DB2, MySQL, Oracle, PostgreSQL, and SQL Server.
Views: 898 cbtinc
Random number &  Random String in Oracle/ عربي
 
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oracle sql Random number & Random String in Oracle select dbms_random.random from dual; select dbms_random.value from dual; select dbms_random.value(1,10) from dual; select round(dbms_random.value(1,10) ) from dual; /* 'u', 'U' - returning string in uppercase alpha characters 'l', 'L' - returning string in lowercase alpha characters 'a', 'A' - returning string in mixed case alpha characters 'x', 'X' - returning string in uppercase alpha-numeric characters 'p', 'P' - returning string in any printable characters. */ select dbms_random.STRING('L',15) from dual; select dbms_random.STRING('U',10) from dual; select dbms_random.STRING('A',10) from dual; select dbms_random.STRING('X',20) from dual; select dbms_random.STRING('P',20) from dual;
Views: 924 khaled alkhudari