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Learn Oracle SQL : The Hierarchical Query Clause
 
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http://bit.ly/oracle-sql-course | Get the complete course today. Learn Oracle SQL : The Hierarchical Query Clause: In this video, I show you how to use the Hierarchical Query Clause in Oracle SQL to build a basic hierarchical query. This is an excerpt of the course "The Ultimate Oracle SQL Course" which you can get at a heavily discounted price here: http://bit.ly/oracle-sql-course ================ You can find additional Oracle SQL related articles and educational content in my blog here: http://standout-dev.com/
Views: 6967 Oracle SQL
Hierarchical Queries in Oracle (CONNECT BY)
 
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This video demonstrates one of the ways to query hierarchical data from Oracle. For more information see: https://oracle-base.com/articles/misc/hierarchical-queries Website: https://oracle-base.com Blog: https://oracle-base.com/blog Twitter: https://twitter.com/oraclebase Cameo by Arjen Visser Blog: http://blog.dbvisit.com/ Twitter: https://twitter.com/dbvisit Website: http://www.dbvisit.com/ Cameo appearances are for fun, not an endorsement of the content of this video.
Views: 27066 ORACLE-BASE.com
Hierarchical Queries (Oracle)
 
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Hierarchical Queries in Oracle, Using CONNECT BY PRIOR and START WITH clause. Visual Example using a practical scenario.
Views: 4905 CodeSmith 001
Hierarchical Queries: Databases for Developers #16
 
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Often data contains a parent-child relationship between rows in the same table. For example, company org charts and family trees. You can use the power of SQL to traverse these hierarchical relationships. There are two ways to do this in Oracle Database: - Connect By - Recursive With Watch this video to learn about data trees and find out how these work! Further reading: Hierarchical queries in the docs: https://docs.oracle.com/en/database/oracle/oracle-database/18/sqlrf/Hierarchical-Queries.html#GUID-0118DF1D-B9A9-41EB-8556-C6E7D6A5A84E Recursive subquery factoring in 11.2: https://oracle-base.com/articles/11g/recursive-subquery-factoring-11gr2 Take the course! https://devgym.oracle.com/pls/apex/dg/class/databases-for-developers-next-level.html Need help with SQL? Ask us over on AskTOM: https://asktom.oracle.com Twitter: https://twitter.com/ChrisRSaxon Daily SQL Twitter tips: https://twitter.com/SQLDaily All Things SQL blog: https://blogs.oracle.com/sql/ ============================ The Magic of SQL with Chris Saxon Copyright © 2015 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Views: 2775 The Magic of SQL
Hierarchical Queries in Oracle/ عربي
 
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start with & connect by prior Hierarchical Queries in Oracle ملاحظه : اشارة الاكبر غير مسموحة في الوصف --1--- select employee_id, first_name,last_name,manager_id from employees; --2--- select employee_id, first_name,last_name,manager_id from employees where manager_id=100; --3--- select employee_id, first_name,last_name,manager_id from employees where manager_id=101; --4--- select employee_id, first_name,last_name,manager_id from employees where manager_id=108; --5--- select employee_id, first_name,last_name,manager_id from employees where manager_id in (109,110,111,112,113) --6--- select employee_id, first_name,last_name,manager_id from employees start with employee_id=100 connect by prior employee_id=manager_id --top down --7--- select employee_id, first_name,last_name,manager_id from employees start with employee_id=113 connect by prior manager_id =employee_id --buttom up --8--- --let us take this and try to do nice thing --Neena Kochhar work for Steven King select employee_id, first_name,last_name,manager_id from employees start with employee_id=100 connect by prior employee_id=manager_id --top down --9--- select first_name||' '||last_name ||' work for '|| (select first_name||' '||last_name from employees e where e.employee_id=a.manager_id ) from employees a start with employee_id=100 connect by prior employee_id=manager_id --top down --10--- select first_name||' '||last_name ||' work for '|| prior first_name||' '||prior last_name from employees start with employee_id=100 connect by prior employee_id=manager_id --top down --11--- select level,employee_id, first_name,last_name,manager_id from employees start with employee_id=100 connect by prior employee_id=manager_id --top down --1 mean root --2 mean child of root --3 mean child of child , and so on --12--- select level,employee_id, first_name,last_name,manager_id from employees where level=2 start with employee_id=100 connect by prior employee_id=manager_id --13--- select lpad ('khaled',10, 0) from dual --14--- select level, case when level=1 then first_name||' '||last_name when level Greater sign 1 then lpad (first_name||' '||last_name,length(first_name||' '||last_name)+level-1, '-') end tree from employees start with employee_id=100 connect by prior employee_id=manager_id --top down ---------------------- --15--- select employee_id, first_name,last_name,manager_id from employees start with employee_id=100 connect by prior employee_id=manager_id --top down --16--- select employee_id, first_name,last_name,manager_id from employees start with employee_id=100 connect by manager_id= prior employee_id --top down
Views: 2588 khaled alkhudari
Grandparent, parent and child hierarchy SQL server or Bread Crumb
 
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In this video general concept of getting parent child records and also hierarchy bread crumb generation is done also along with this exceptions which generally comes while making recursive CTE are also discussed and showed how to solve them. To get script of table as well as queries please check link below: http://www.techsapphire.in/index/grandparent_parent_and_child_hierarchy_sql_server_or_bread_crumb/0-170
Views: 15185 techsapphire
Part 2   SQL query to get organization hierarchy
 
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Link for all dot net and sql server video tutorial playlists http://www.youtube.com/user/kudvenkat/playlists Link for slides, code samples and text version of the video http://csharp-video-tutorials.blogspot.com/2014/05/part-2-sql-query-to-get-organization.html To get the best out of this video, the following concepts need to be understood first. These are already discussed in SQL Server Tutorial. 1. Self-Join - http://www.youtube.com/watch?v=qnYSN_7qwgg 2. CTE - http://www.youtube.com/watch?v=ZXB5b-7HJHk 3. Recursive CTE - http://www.youtube.com/watch?v=GGoV0wTMCg0 Here is the problem definition: 1. Employees table contains the following columns a) EmployeeId, b) EmployeeName c) ManagerId 2. If an EmployeeId is passed, the query should list down the entire organization hierarchy i.e who is the manager of the EmployeeId passed and who is managers manager and so on till full hierarchy is listed. For example, Scenario 1: If we pass David's EmployeeId to the query, then it should display the organization hierarchy starting from David. Scenario 2: If we pass Lara's EmployeeId to the query, then it should display the organization hierarchy starting from Lara. We will be Employees table for this demo. SQL to create and populate Employees table with test data Create table Employees ( EmployeeID int primary key identity, EmployeeName nvarchar(50), ManagerID int foreign key references Employees(EmployeeID) ) GO Insert into Employees values ('John', NULL) Insert into Employees values ('Mark', NULL) Insert into Employees values ('Steve', NULL) Insert into Employees values ('Tom', NULL) Insert into Employees values ('Lara', NULL) Insert into Employees values ('Simon', NULL) Insert into Employees values ('David', NULL) Insert into Employees values ('Ben', NULL) Insert into Employees values ('Stacy', NULL) Insert into Employees values ('Sam', NULL) GO Update Employees Set ManagerID = 8 Where EmployeeName IN ('Mark', 'Steve', 'Lara') Update Employees Set ManagerID = 2 Where EmployeeName IN ('Stacy', 'Simon') Update Employees Set ManagerID = 3 Where EmployeeName IN ('Tom') Update Employees Set ManagerID = 5 Where EmployeeName IN ('John', 'Sam') Update Employees Set ManagerID = 4 Where EmployeeName IN ('David') GO Here is the SQL that does the job Declare @ID int ; Set @ID = 7; WITH EmployeeCTE AS ( Select EmployeeId, EmployeeName, ManagerID From Employees Where EmployeeId = @ID UNION ALL Select Employees.EmployeeId , Employees.EmployeeName, Employees.ManagerID From Employees JOIN EmployeeCTE ON Employees.EmployeeId = EmployeeCTE.ManagerID ) Select E1.EmployeeName, ISNULL(E2.EmployeeName, 'No Boss') as ManagerName From EmployeeCTE E1 LEFT Join EmployeeCTE E2 ON E1.ManagerID = E2.EmployeeId
Views: 279887 kudvenkat
Learn Oracle SQL : Introduction to Hierarchical Queries
 
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http://bit.ly/oracle-sql-course | Get the complete course today. Learn Oracle SQL : Introduction to Hierarchical Queries: In this video, I explain what hierarchical queries and hierarchical data are, to prepare you to learn about the Hierarchical Query clause. This is an excerpt of the course "The Ultimate Oracle SQL Course" which you can get at a heavily discounted price here: http://bit.ly/oracle-sql-course ============== You can find additional Oracle SQL related articles and educational content in my blog here: http://standout-dev.com/
Views: 1221 Oracle SQL
Recursive Subquery Factoring : Hierarchical Queries Using Recursive WITH Clauses
 
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This video demonstrates one of the ways to query hierarchical data from Oracle. For more information see: https://oracle-base.com/articles/11g/recursive-subquery-factoring-11gr2 Website: https://oracle-base.com Blog: https://oracle-base.com/blog Twitter: https://twitter.com/oraclebase Cameo by Jeff Smith Blog: http://www.thatjeffsmith.com Twitter: https://twitter.com/thatjeffsmith Cameo appearances are for fun, not an endorsement of the content of this video.
Views: 10648 ORACLE-BASE.com
Oracle SQL (Sıfırdan İleri Düzeye) Veri Tabanı Programlama
 
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Oracle Veritabanı Programlama SQL (46 Ders, 7 saat) Structured Query Language, Table, View, Sequnce, Index, SQL Kodlarının Performans Analizi, Synonym, ROLE, FOREIGN KEY, PRIMARY KEY, UNIQUE, CHECK CONSTRAINTS, Join, Subquery, DML(INSERT, UPDATE, DELETE, DDL (CREATE, ALTER, DROP, RENAME), TCL(COMMIT, ROLLBACK, SAVEPOINT), DCL (GRANT, REVOKE), SELECT CONNECT BY PRIOR (Hiyerarşik Sorgular, Tree View)... Daha çok fazlası... Kısa sürede 2000 üye sayısını geçtim. O yüzden Sıfırdan İleri Düzeye Oracle SQL dersimi belirli bir süreliğine 199.99 TL yerine sadece 25 TL'ye üye olabilirsiniz. https://www.udemy.com/oracle-sql-sfrdan-ileri-duzeye-programlama-ve-referans/?couponCode=ORACLESQL25
Views: 56 Mehmet CELEBIOGLU
Using Oracle to read data from SQL Server
 
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Hi everyone, Andy from Easysoft Limited here, what I want to show you today is how to get data from SQL Server into Oracle. Now for this we will be accessing SQL Server 2014 from Oracle 12 and getting data across. This could be quite easily be any SQL Server version from 2008 and any Oracle version from 11.2, the configuration and process is the same. We can obviously get access to data on SQL Server prior to 2008 and Oracle prior to version 11.2 but it will need a different configuration to what I am going to show you today The plan is also to add more data to the SQL Server table and show this new data back in Oracle. To start off you'll need access to ensure that you have access to your SQL Server and Oracle databases. You'll also need the Easysoft SQL Server ODBC Driver available from www.easysoft.com; just download it, install it and request the free 14 day trial licence. Before we start we need to make some changes to the standard Easysoft config files. cat /etc/odbc.ini Here I have changed Mars Connection to Yes. It must be set to "Yes" if you are connecting to SQL Server 2005 or newer. Easysoft supports all SQL data types from the version of SQL Server from version 7. Oracle supports data types that are common to most ODBC Drivers, but not some of the SQL Server ones. If you intend to access VARCHAR(MAX) for example, then there are some additional settings that need to be set up. Now as I would like to show you VARCHAR(MAX) data moving from SQL Server to Oracle, I have made the relevant change. As you can see, VarMaxAsLong says "Yes" We now need to create a link from Oracles Database Gateway (DG4ODBC) to the ODBC datasource that we already have, this is done in an init(sid) oracle file; let's have a look at our file. cat $ORACLE_HOME/hs/admin/initsqlsrv.ora Please note that HS_NLS_NCHAR must be set to UCS2 Oracle assume that most database vendors use UTF-8 for wide characters, however Easysoft, like almost all ODBC Driver vendors (including Oracles own ODBC Driver) uses UCS2 for wide characters. So that's the link between DG4ODBC and the datasource setup correctly. Next we need to set up the Listener entry The Oracle Listener waits for incoming requests from the Oracle database. For the Oracle Listener to listen for requests, information about DG4ODBC must be added to the Oracle Listener configuration file, listener.ora cat $ORACLE_HOME/network/admin/listener.ora The PROGRAM=dg4odbc tells the Listener that we are wanting to use the Oracle database gateway to communicate with ODBC. The ENVS=LD_LIBRARY_PATH tells Oracle what library to load Now that's all set up and OK we need to tell Oracle which server to attach the listener entry to. This is done in tnsnames.ora, and he is the file that we ensured was set up earlier. cat $ORACLE_HOME/network/admin/tnsnames.ora The Oracle Listener now needs to be restarted. lsnrctl stop lsnrctl start OK, that's now started the Listener up again. So we have ensured that all the configuration files are set up correctly. The Listener and tnsnames.ora both set up OK. The final step is to create a link from the Oracle database to the "tnsnames.ora" entry. CREATE PUBLIC DATABASE LINK ODBC CONNECT TO "test" IDENTIFIED BY "test" USING 'sqlsrv_ptr'; Right, that's all done. Let's access the data in SQL Server now. select * from [email protected]; Where 'demo' is the name of the SQL Server table and 'odbc' is the public database link name. OK, there we have the data. So to recap, I'm in Oracle and we have managed to read the data from SQL Server. Let's just add an additional row in that SQL Server table and retrieve the new data in Oracle. quit; /usr/local/easysoft/unixODBC/bin/isql.sh -v sqlsrv insert into demo values (2,'Easysoft') select * from demo select * from [email protected]; And there is the new data. Easysoft Limited can help you with your data access ... for our full range of ODBC and JDBC Drivers, Bridges and Gateways visit easysoft.com Be sure to let us know if you have any comments or questions. Until next time, thanks again and we'll see you again soon.
Views: 16074 Easysoft Limited
Simple Recursion in SQL
 
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A simple example of recursion using SQL Server and Common Table Expressions (CTEs). Thanks to +Nikola Gujanicic for the request.
Views: 21100 Database by Doug
sas proc sql database
 
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for SAS online tutorials contact email: [email protected] SAS ACCESS to oracle database Pre-requisite: prior knowledge of sas , libname , database
Views: 10416 Touche Bin
PL/SQL tutorial 63: PL/SQL Collection Method Prior & Next in Oracle Database
 
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RebellionRider.com presents PL/SQL tutorial on Collection Method Prior and Next in Oracle Database by Manish Sharma ------------------------------------------------------------------------ ►►►LINKS◄◄◄ Blog: http://bit.ly/prior-next The Blog is Online now. But you can still check out these Interview Q & A on Collection Method LIMIT http://bit.ly/limit-function Previous Tutorial ► How To Create Nested Table https://youtu.be/EUYyiFCzU0I ►Associative Array https://youtu.be/wGXeD_oWxUk ------------------------------------------------------------------------- ►Make sure you SUBSCRIBE and be the 1st one to see my videos! ------------------------------------------------------------------------- ►►►Find me on Social Media◄◄◄ Follow What I am up to as it happens on https://twitter.com/rebellionrider http://instagram.com/rebellionrider https://plus.google.com/+Rebellionrider http://in.linkedin.com/in/mannbhardwaj/ ___Facebook Official Page of Manish Sharma___ https://www.facebook.com/TheRebellionRider/ ___Facebook Official Page of RebellionRider.com___ https://www.facebook.com/RebellionRider.official/ You can also Email me at for E-mail address please check the 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: 4745 Manish Sharma
Introduction to Hierarchical Query - SQL in Sixty Seconds #012
 
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This video explains the fundamentals of the SQL Server Common Table Expression. Visit http://bit.ly/IGYcEB for Script, Quiz and further learning.
Views: 18783 Pinal Dave
ORACLE SQL AND PL/SQL INTERVIEW QUESTION : PRINT 1 TO 5 USING SQL
 
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This video explains on the oracle sql interview question to print 1 to 5 on the screen using only oracle sql statement. The solution is given using the union operator and also by using the hierarchical queries.
Views: 2568 Kishan Mashru
An ultimate approach to converting hierarchical queries from Oracle to SQL Server
 
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One of our customers was migrating their Oracle database to SQL Server. They faced a problem with conversion of multiple database schemas that included over 400 hierarchical queries. We came up with an alternative approach to the conversion of hierarchical queries and managed to complete the project within the required period of time. Learn more about our ultimate conversion solution from this video and the following blog post: https://www.dbbest.com/blog/convert-oracle-hierarchical-queries-sql-server
Hierarchy SQL with a Recursive Query, Copy Paste and Play example
 
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Coconut SQL, Recursive Query, Tree, Hierarchy data
Views: 1079 Coconut SQL
Oracle SQL Tutorial 16 - Parent Child Relationships
 
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So far in this series we have discussed database design, creating tables, and constraints. We've brought up the concept of foreign keys, but we have not explained how to create them. That is the goal of this video and the upcoming videos. We want to study those foreign keys! Let's make them not so foreign. Let's learn the proper way to define a foreign key. As a reminder, a foreign key is a column that references a column of another table. The column it references must either be a primary key, or have the UNIQUE constraint. This means that every value inside of the column that is labeled as a foreign key, there must be that value in some row of the referenced column. As an example, imagine that we have the users table, and we have a table service_requests. We could have a column in the service_request that references a column in the users table. Usually this would be the primary key that is referenced, but there is nothing stopping you from referencing a unique column. Just for fun, let's go through an example using the username column. If we have a service_requests table, every single row within the table is going to be what some would consider an instance of a service_request. This means that the table columns are like the blueprint for what a service request looks like and then each row is an individual service request. If we have one of the columns labeled as a foreign key to the username of the users table, what does that mean practically? It means that for a single row, the value for that column must be a value that exists in the users table. We could have a service_request submitted by a user with the username of Yoloswagman. This means that there must be a row inside of the users table that has the value Yoloswagman for the username column. This brings up the concept of parent and child relationships. Yoloswagman in this situation is the parent, and his service request is the child. When we draw it out, it makes sense why a primary key must be UNIQUE. If we had two Yoloswagmans, the child would not know which column is the parent. The same applies if we were using IDs and we had So remember, always reference a primary key or a column with the UNIQUE constraint. Now, I have a question for you. Do foreign keys automatically have the UNIQUE constraint, just like primary keys? The answer is no. A parent row can have many child rows. It makes sense because the user could submit multiple service requests. Can we force the column to be unique? Absolutely. If that was the case, the user could only make one service request. Another question. Do foreign keys automatically have the NOT NULL constraint, just like primary keys? The answer is no. Essentially what this means is that a child could be created with no parent. Can we force the column to be NOT NULL? Absolutely. It is ok in some situations to allow the row to be null, but in this situation it makes no sense. It would be wise for us to add that constraint ourselves. So now that you understand some more differences between primary and foreign keys and parent child relationships, take all of these questions into consideration when you are creating foreign keys. In the next video, we are going to start a small project that is going to require multiple tables. We'll take a video to design our structure and then we'll get to creating those foreign keys in Oracle SQL Developer. Stick around and if you like these videos please be a serious supporter and subscribe to my channel. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ HELP 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: 12187 Caleb Curry
Writing "HIERARCHICAL SQL QUERIES"
 
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Follow the full step by step: http://www.bisptrainings.com/courses/Informatica Follow us on Facebook: https://www.facebook.com/bisptrainings/ Followus on Twitter: https://twitter.com/bisptrainings http://www.bisptrainings.com Email: [email protected] Call us: +91 975-275-3753 or +1 386-279-6856
Views: 1919 Amit Sharma
ORACLE SQL AND PL/SQL INTERVIEW QUESTION : SUBQUERY WITH IN / EXISTS OR SELF JOIN
 
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This video demonstrates the solution of the oracle sql interview question like, find the employees where there manager's salary is more than 15000. This is a classic example of using a subquery or a self join to get the result.
Views: 2527 Kishan Mashru
SQL TUTORIAL - SELF JOINS Hierarchy Tables
 
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Another video brought to you by BeardedDev, bringing you tutorials on Business Intelligence, SQL Programming and Data Analysis. You can now support me on patreon - https://www.patreon.com/beardeddev This SQL Tutorial is all about hierarchy tables and self joins. We start off by looking at hierarchies that we are all aware of such as Parent and Child. The video then describes how we can create a hierarchy table in SQL Server including a Primary Key and a Foreign Key that references the Primary Key in the same table. If you are new to working with constraints in SQL Server please check out these videos: SQL Tutorial - Primary Key Constraints: https://youtu.be/DJ054rHGhRw SQL Tutorial - Create Table with Constraints: https://youtu.be/bfBnZKf2EGg If you would like to follow along with this SQL Tutorial then this is the create table statement used: CREATE TABLE dbo.Staff ( StaffId INT IDENTITY(1, 1) NOT NULL CONSTRAINT PK_Staff_StaffId PRIMARY KEY (StaffId) , StaffTitle VARCHAR(50) NOT NULL , ManagerId INT NULL CONSTRAINT FK_Staff_ManagerId FOREIGN KEY (ManagerId) REFERENCES dbo.Staff (StaffId) ) We then insert some dummy data in to the Hierarchy table and have a look at the results when executing a SELECT statement. On to discussing Self Joins, and the difference between using an INNER JOIN and a LEFT OUTER JOIN when joining a table to itself although the same applies if you were joining two separate underlying tables together. Then we apply a Self Join and return results, as the table and columns are the same we need to apply aliases. SELECT A.StaffTitle , B.StaffTitle AS ReportsTo FROM dbo.Staff AS A LEFT OUTER JOIN dbo.Staff AS B ON A.ManagerId = B.StaffId
Views: 110 BeardedDev
How to use the Oracle SQL PIVOT Clause
 
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PIVOT allows you to "flip a table on its side", i.e. Columns to Rows / Rows to Columns. Previously we did this with DECODE or CASE. As of Oracle 11g, Oracle Database includes the PIVOT clause (and UNPIVOT). Oracle expert Geoff Wiland from SkillBuilders will demonstrate PIVOT, UNPIVOT, including the use of aggregate functions.
Views: 10367 SkillBuilders
Oracle Sys Connect By Path
 
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Oracle Sys Connect By Path
Views: 11 Nook Tutorials
Oracle Multi Org Structure Step 1 (Company Hierarchy)
 
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TRAINING KEY POINTS: End-to-End Implementation (Setup Steps) Real-time Examples (AIM Documents) Technical RICE Components (Reports, Interfaces, Conversions, Enhancements) Period End Process Study Material Support Availability Assistance in Making CV Online and Class Room Training Regular, Fast Track and Weekends By KIRAN KUMAR Having 9+ Years Real Time Experience https://in.linkedin.com/in/oracle-scm-financials-training VISIT FOR FULL COURSE CONTENT: WWW.PERUSETECHNOLOGIES.COM PH: +91-954 288 1790, +91- 789 393 0068, www.perusetechnologies.com, E-mail: [email protected]
Oracle Employee Supervisor Hierarchy Apr16
 
01:10:39
www.srdtechnologies.in Mobile:+919703756999 eMial: [email protected]
Views: 1221 srd technologies
Advanced Sql Tutorial (030 CONNECT BY ROOT unary operator)
 
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Advanced Sql Tutorial (030 CONNECT BY ROOT unary operator) Lead yourself to enhance your SQL skills and transform into Senior SQL Developer. Learn SQL by doing with me. Senior SQL Developers are in high demand and demand 100k+ salary in the IT industry. If we have to advance in our career and earn a good salary, we need these Advanced SQL skills. So let's take the next step of learning these advanced concepts of Oracle SQL. Thanks For Watching.. Like,Comment,share and Subscribe.
Learn Hierarchies in SQL server using HierarchyID
 
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Hierarchy ID is nothing other then column which represent relational value in numeric format on which DFS (Depth First Search) & BFS (Breadth First Search) can be used The concept is very simple, when we have to make relational structures which shows parent child level tree hierarchy, we can use hierarchyid datatype. With hierarchy ID recursive queries can be converted into range query. DFS (Depth First Search) and BFS (Breadth First Search) can be implemented using additional index which improves performance. Uses .NET assembly library defined methods to provide easy maintenance. Hierarchy ID is scalar column and is sequence of no. of var binary values. For script follow link below: http://www.techsapphire.in/index/learn_hierarchies_in_sql_server_using_hierarchyid/0-173
Views: 8933 techsapphire
SQL Model Clause - 01 - An Introduction
 
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SQL Model Clause - Series 01
Views: 315 Rajeshwaran Jeyabal
Part 3   How does a recursive CTE work
 
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Link for all dot net and sql server video tutorial playlists http://www.youtube.com/user/kudvenkat/playlists Link for slides, code samples and text version of the video http://csharp-video-tutorials.blogspot.com/2014/05/part-3-how-does-recursive-cte-work.html A lot of you have asked to explain, how a recursive CTE work line by line. If you have not watched Part 2 already, I strongly recommend to watch that video first before proceeding. In Part 2 of SQL Server Interview questions and answers video series we discussed recursive CTE to retrieve the organization hierarchy. Let's now discuss how the CTE executes line by line. Step 1: Execute the anchor part and get result R0 Step 2: Execute the recursive member using R0 as input and generate result R1 Step 3: Execute the recursive member using R1 as input and generate result R2 Step 4: Recursion goes on until the recursive member output becomes NULL Step 5: Finally apply UNION ALL on all the results to produce the final output
Views: 151613 kudvenkat
SQL Server  Navigating a Hierarchy
 
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4. Navigating a Hierarchy
Views: 1167 Eagle
SAP HANA Academy - SQL Functions: Hierarchy - Video 1, Getting Started [2.0 SPS 00]
 
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*** Important: please read this for prerequisites and code. Please note that the Hierarchy functionality is new for HANA 2.0 and will not work in previous versions. In this video we'll look at the Hierarchy data functionality in SAP HANA SQL. We'll create a sample table that will be used in this and later videos on the Hierarchy function. The syntax used in this video is here: https://raw.githubusercontent.com/saphanaacademy/SQL/master/HierarchyIntro * Please see this playlist for more HANA SQL Function videos: https://www.youtube.com/playlist?list=PLkzo92owKnVwpfj5r9EZrPJdZJdUizexs Thank you for watching. Video by the SAP HANA Academy.
Views: 3208 SAP HANA Academy
Windows PowerShell Advanced Chapter 01 - Working with Databases
 
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Chapter 1 of 6 These videos were developed for PowerShell version 1, but the material is still valid. All training video labs can be found here: https://www.sapien.com/books_training/Self-Paced-Training Learn how to use Windows PowerShell -- whether you are administering Windows, Exchange Server, or any other PowerShell-enabled product. PowerShell MVP and guru Don Jones, one of the world's most experienced PowerShell instructors, guides you through PowerShell's basics -- assuming no prior experience. You will learn about cmdlets, the pipeline, WMI and ADSI within Windows PowerShell, and much more. Don's conversational style, conceptual animations, extensive demonstrations, and real hands-on exercises help you learn quickly and effectively.
Views: 9989 SAPIEN Technologies
CTE in sql server   Part 49
 
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In this video we will learn about creating and referencing CTE's in SQL server. We will also learn how to create multiple CTE's using a single WITH clause. Text version of the video http://csharp-video-tutorials.blogspot.com/2012/09/common-table-expressions-part-49.html Slides http://csharp-video-tutorials.blogspot.com/2013/09/part-49-cte.html All SQL Server Text Articles http://csharp-video-tutorials.blogspot.com/p/free-sql-server-video-tutorials-for.html All SQL Server Slides http://csharp-video-tutorials.blogspot.com/p/sql-server.html All Dot Net and SQL Server Tutorials in English https://www.youtube.com/user/kudvenkat/playlists?view=1&sort=dd All Dot Net and SQL Server Tutorials in Arabic https://www.youtube.com/c/KudvenkatArabic/playlists
Views: 181411 kudvenkat
SQL Advanced : Creating the Hierarchy Tree
 
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http://ytwizard.com/r/7yxYc1 http://ytwizard.com/r/7yxYc1 SQL Advanced Lead yourself to enhance your SQL skills and transform into Senior SQL Developer. Learn SQL by doing with me.
Views: 12 Black Hat
SQL tutorial 45: Introduction to user Privileges in Oracle Database By Manish Sharma RebellionRider
 
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First SQL Tutorial in the series of user privileges in oracle database an introduction to user privileges. In this tutorial you will learn ● What is user privileges ● Different types of user Privileges ● Data Control Language (DCL) Grant and Revoke ● Who Can Grant or Revoke System Privileges? ● Oracle grant flags such as "With Admin option, With Grant option and with hierarchy option " This is a quick video on Introduction of user privileges expaining the theoretical concepts for the better understanding of the concept and up coming videos in USER PRIVILEGE series. Celebrating 1000 subscribers. Thanks a lot guys for all your love and support. ------------------------------------------------------------------------ ►►►LINKS◄◄◄ Blog: http://bit.ly/introduction-to-user-privileges ------------------------------------------------------------------------- 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 first 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 [email protected] 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: 27749 Manish Sharma
Oracle SQL 11g - Learn Oracle SQL by Examples
 
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https://www.educba.com/course/oracle-sql-11g-learn-oracle-sql-by-examples-training/ In this course participants learn the concepts of relational databases. This course provides the essential SQL skills that allow developers to write queries against single and multiple tables, manipulate data in tables, and create database objects. Students learn to control privileges at the object and system level. This course covers creating indexes and constraints, and altering existing schema objects. Participants also learn how to create and query external tables.
Views: 732 eduCBA
introduction to sql - Hierarchical Retrieval
 
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Course Description – sql2 COURSE DESCRIPTION: Introduction to Oracle9i: SQL consists of two modules, Introduction to Oracle9i: SQL Basics andOracle9i: Advanced SQL. Introduction to Oracle9i: SQL Basics covers creating database structures and storing, retrieving, and manipulating data in a relational database. Oracle9i: Advanced SQL covers advanced SELECT statements, Oracle SQL and iSQL*Plus Reporting.For people who have worked with other relational databases and have knowledge of SQL, another course, called Introduction to Oracle9i for Experienced SQL Users is offered. This course covers the SQL statements that are not part of ANSI SQL but are specific to Oracle.   The Oracle server extends the data modeling capabilities to support an object relational database model that brings object-oriented programming, complex data types, complex business objects, and full compatibility with the relational world. It includes several features for improved performance and functionality of online transactionprocessing (OLTP) applications, such as better sharing of run-time data structures, larger buffer caches, and deferrable constraints. Data warehouse applications will benefit from enhancements such as parallel execution of insert, update, and delete operations; partitioning; and parallel-aware query optimization. COURSE OBJECTIVES: in this course In Oracle9i, you can include the time zone in your date and time data, and provide support for fractional seconds. Three new data types are added to DATE: TIMESTAMP TIMESTAMP WITH TIME ZONE (TSTZ) TIMESTAMP WITH LOCAL TIME ZONE (TSLTZ) Oracle9i provides daylight savings support for datetime data types in the server Create, maintain, and use sequences Create and maintain indexes Create private and public synonyms WHO SHOULD ATTEND?   COURSE OUTLINE:   Creating Views Other Database Objects Controlling User Access SQL Workshop Using SET Operators Oracle9i Datetime Functions Enhancements to the GROUP BY Clause Advanced Subqueries Hierarchical Retrieval Oracle9i Extensions to DML and DDL Statements
Views: 771 EasyShiksha TV
Viewing Hierarchy Data in the Oracle Solaris Studio IDE
 
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Learn how to view hierarchy data for your project through this audio-less screencast. The Oracle Solaris Studio IDE is specifically optimized for enterprise C, C++ applications and helps improve developer productivity and reduce time to deliver applications. Download a free copy and learn more about Oracle Solaris Studio at: http://www.oracle.com/technetwork/server-storage/solarisstudio/overview/index.html Copyright © 2014 Oracle and/or its affiliates. Oracle® is a registered trademark of Oracle and/or its affiliates. All rights reserved. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the "Materials"). The Materials are provided "as is" without any warranty of any kind, either express or implied, including without limitation warranties of merchantability, fitness for a particular purpose, and non-infringement.
Advanced Sql Tutorial (028 Creating the Hierarchy Tree)
 
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Advanced Sql Tutorial (028 Creating the Hierarchy Tree) Lead yourself to enhance your SQL skills and transform into Senior SQL Developer. Learn SQL by doing with me. Senior SQL Developers are in high demand and demand 100k+ salary in the IT industry. If we have to advance in our career and earn a good salary, we need these Advanced SQL skills. So let's take the next step of learning these advanced concepts of Oracle SQL. Thanks For Watching.. Like,Comment,share and Subscribe.
Models for Hierarchical Data in SQL and PHP
 
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Tree-like data relationships are common, but working with trees in SQL usually requires awkward recursive queries. This talk describes alternative solutions for modeling hierarchical data that work for MySQL, including: * Adjacency List * Path Enumeration * Nested Sets * Closure Table Code examples will demonstrate using the Closure Table in PHP, and offer guidelines for choosing one design over another. PRESENTER: Bill Karwin, Principal MySQL Instructor on February 27, 2011. http://www.percona.com/webinars/2011-02-28-models-for-hierarchical-data-in-sql-and-php
SAP HANA Academy - SQL Functions: Hierarchy Span Tree [2.0 SPS02]
 
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*** Important: please read this for prerequisites and code. *** Please note that the Hierarchy Span Tree function is new for HANA 2.0 SPS02 and will not work in previous versions. This function generates a hierarchy based on data with a parent child relationship and will return the minimum spanning tree or forest. Suggestions to watch before this video are: https://www.youtube.com/watch?v=7jUzCtxTnkA https://www.youtube.com/watch?v=9vU3X2KNmSg The syntax used in this video is here: https://raw.githubusercontent.com/saphanaacademy/SQL/master/Hierarchy_SpanTree * Please see this playlist for more HANA SQL Function videos: https://www.youtube.com/playlist?list=PLkzo92owKnVwpfj5r9EZrPJdZJdUizexs CONNECT WITH US Feel free to connect with us at the links below: LinkedIn: https://linkedin.com/in/saphanaacademy Twitter: https://twitter.com/saphanaacademy Facebook: https://www.facebook.com/saphanaacademy/ Google+: https://plus.google.com/+saphanaacademy Github: https://github.com/saphanaacademy Thank you for watching. Video by the SAP HANA Academy.
Views: 578 SAP HANA Academy
Rollup in SQL Server
 
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sql server group by rollup sql server 2008 group by rollup group by with rollup example sql rollup example sql server rollup example sql server 2008 rollup examples rollup clause in sql server rollup function in sql server ROLLUP in SQL Server is used to do aggregate operation on multiple levels in hierarchy. Let us understand Rollup in SQL Server with examples. We will use the following Employees table for the examples in this video. Retrieve Salary by country along with grand total There are several ways to achieve this. The easiest way is by using Rollup with GroupBy. SELECT Country, SUM(Salary) AS TotalSalary FROM Employees GROUP BY ROLLUP(Country) The above query can also be rewritten as shown below SELECT Country, SUM(Salary) AS TotalSalary FROM Employees GROUP BY Country WITH ROLLUP We can also use UNION ALL operator along with GROUP BY SELECT Country, SUM(Salary) AS TotalSalary FROM Employees GROUP BY Country UNION ALL SELECT NULL, SUM(Salary) AS TotalSalary FROM Employees We can also use Grouping Sets to achieve the same result SELECT Country, SUM(Salary) AS TotalSalary FROM Employees GROUP BY GROUPING SETS ( (Country), () ) Let's look at another example. Group Salary by Country and Gender. Also compute the Subtotal for Country level and Grand Total as shown below. Using ROLLUP with GROUP BY SELECT Country, Gender, SUM(Salary) AS TotalSalary FROM Employees GROUP BY ROLLUP(Country, Gender) OR SELECT Country, Gender, SUM(Salary) AS TotalSalary FROM Employees GROUP BY Country, Gender WITH ROLLUP Using UNION ALL with GROUP BY SELECT Country, Gender, SUM(Salary) AS TotalSalary FROM Employees GROUP BY Country, Gender UNION ALL SELECT Country, NULL, SUM(Salary) AS TotalSalary FROM Employees GROUP BY Country UNION ALL SELECT NULL, NULL, SUM(Salary) AS TotalSalary FROM Employees Using GROUPING SETS SELECT Country, Gender, SUM(Salary) AS TotalSalary FROM Employees GROUP BY GROUPING SETS ( (Country, Gender), (Country), () ) Text version of the video http://csharp-video-tutorials.blogspot.com/2015/09/rollup-in-sql-server.html Slides http://csharp-video-tutorials.blogspot.com/2015/09/rollup-in-sql-server_20.html All SQL Server Text Articles http://csharp-video-tutorials.blogspot.com/p/free-sql-server-video-tutorials-for.html All SQL Server Slides http://csharp-video-tutorials.blogspot.com/p/sql-server.html All Dot Net and SQL Server Tutorials in English https://www.youtube.com/user/kudvenkat/playlists?view=1&sort=dd All Dot Net and SQL Server Tutorials in Arabic https://www.youtube.com/c/KudvenkatArabic/playlists
Views: 54650 kudvenkat

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