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Analytical Functions in oracle explained with real examples
 
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This video explains analytical functions and how they are implemented in real projects. Analytical functions are somewhat similar to aggregate functions,but they offer much more. Why use analytical function ? They allow you to write fast and concise queries which otherwise will involve self join and long processing times They allow you to perform aggregate functions independently on sets of partitions. You can access values from previous rows in current row and you can restrict the window on which you want to apply this analytical function. I have given additional practice exercises along with the dataset so that you can comfortably work with analytical functions. You can find the sample problems along with dataset in the below link. http://www.internshipsfromhome.com/oracle-analytical-functions-ddl-and-dml/
Views: 14069 Tech Coach
SQL Joins, nested loops and all that in less than 6 minutes
 
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CAPTIONS AVAILABLE - Full transcript (with some screenshots) available for a small fee at http://stores.lulu.com/konagora/. A very brief description of how a database performs a join, based on material from a 2-day seminar.
Views: 76035 roughsealtd
Oracle 12C New Feature Listagg function improvements
 
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oracle 12c new features Queries used in the video are given in the blog link http://easy-learning-tech.blogspot.in/2018/04/oracle-12c-new-feature-listagg-function.html oracle 12c new features for developers
Views: 405 Siva Academy
14.471 Implementing Grouping and Aggregation
 
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Video for my inverted classroom "Database Systems". The complete list of videos, slides, and additional material is (will be) available at http://datenbankenlernen.de Computer Science, Saarland University: Bachelor (in German): http://www.cs.uni-saarland.de/index.php?id=52&L=1 Master (in English): http://www.cs.uni-saarland.de/index.php?id=132&L=1 Ph.D./Grad School: http://gradschool.cs.uni-saarland.de/
Oracle - Joins - Beginner
 
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Oracle - Joins - Beginner
Views: 26256 Chris Ostrowski
Oracle SQL Join Tutorials
 
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Oracle SQL Join Tutorials. Different types of joins and examples. For Full Course Experience Please Go To http://mentorsnet.org/course_preview?course_id=4 Full Course Experience Includes 1. Access to course videos and exercises 2. View & manage your progress/pace 3. In-class projects and code reviews 4. Personal guidance from your Mentors
Views: 101680 Oresoft LWC
18-Oracle SQL 10g (Displaying Data from Multiple Tables Part 1)By Eng-Helal Ahmed
 
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18-Oracle SQL 10g (Displaying Data from Multiple Tables Part 1)By Eng-Helal Ahmed https://www.facebook.com/free4arab http://www.free4arab.com https://twitter.com/free4arab1 https://plus.google.com/114278484973373035289 نور الهدى لتكنولوجيا المعلومات
Real-World Performance - 11 - Aggregate
 
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Check out the entire series on the Oracle Learning Library at http://www.oracle.com/goto/oll/rwp In this video, listen and watch Andrew Holdsworth, Vice President of Oracle Database Real-World Performance at Oracle Corporation, as he demonstrates how aggregation of data affects performance. 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.
Learn Oracle | How to Use Joins, Cross Join, Cartesian Product in SQL
 
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Pebbles present, Learn Oracle 10g with Step By Step Video Tutorials. Learn Oracle 10g Tutorial series contains the following videos : Learn Oracle - History of Oracle Learn Oracle - What is Oracle - Why do we need Oracle Learn Oracle - What is a Database Learn Oracle - What is Grid Computing Learn Oracle - What is Normalization Learn Oracle - What is ORDBMS Learn Oracle - What is RDBMS Learn Oracle - Alias Names, Concatenation, Distinct Keyword Learn Oracle - Controlling and Managing User Access (Data Control Language) Learn Oracle - Introduction to SQL Learn Oracle - Oracle 10g New Data Types Learn Oracle - How to Alter a Table using SQL Learn Oracle - How to Create a Package in PL SQL Learn Oracle - How to Create a Report in SQL Plus Learn Oracle - How to Create a Table using SQL - Not Null, Unique Key, Primary Key Learn Oracle - How to Create a Table using SQL Learn Oracle - How to Create a Trigger in PL SQL Learn Oracle - How to Delete Data from a Table using SQL Learn Oracle - How to Drop and Truncate a Table using SQL Learn Oracle - How to Insert Data in a Table using SQL Learn Oracle - How to open ISQL Plus for the first time Learn Oracle - How to Open SQL Plus for the First Time Learn Oracle - How to Update a Table using SQL Learn Oracle - How to use Aggregate Functions in SQL Learn Oracle - How to use Functions in PL SQL Learn Oracle - How to use Group By, Having Clause in SQL Learn Oracle - How to Use Joins, Cross Join, Cartesian Product in SQL Learn Oracle - How to use Outer Joins (Left, Right, Full) in SQL Learn Oracle - How to use the Character Functions, Date Functions in SQL Learn Oracle - How to use the Merge Statement in SQL Learn Oracle - How to use the ORDER BY Clause with the Select Statement Learn Oracle - How to use the SELECT Statement Learn Oracle - How to use the Transactional Control Statements in SQL Learn Oracle - How to use PL SQL Learn Oracle - Data Types in PL SQL Learn Oracle - Exception Handling in PL SQL Learn Oracle - PL SQL Conditional Logics Learn Oracle - PL SQL Cursor Types - Explicit Cursor, Implicit Cursor Learn Oracle - PL SQL Loops Learn Oracle - Procedure Creation in PL SQL Learn Oracle - Select Statement with WHERE Cause Learn Oracle - SQL Operators and their Precedence Learn Oracle - Using Case Function, Decode Function in SQL Learn Oracle - Using Logical Operators in the WHERE Clause of the Select Statement Learn Oracle - Using Rollup Function, Cube Function Learn Oracle - Using Set Operators in SQL Learn Oracle - What are the Different SQL Data Types Learn Oracle - What are the different types of Databases Visit Pebbles Official Website - http://www.pebbles.in Subscribe to our Channel – https://www.youtube.com/channel/UCNNjWVsQqaMYccY044vtHJw?sub_confirmation=1 Engage with us on Facebook at https://www.facebook.com/PebblesChennai Please Like, Share, Comment & Subscribe
Views: 3660 Pebbles Tutorials
AskTOM Office Hours: Get the Most Out of Your Database In-Memory Implementation
 
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Held on June 13 2018 Explore and get the best out of Oracle Database In-Memory Implementations with Markus Kissling, Product Manager for Database In-Memory in EMEA, based in Germany. The session began with an overview about Database In-Memory, the breakthrough with the Dual Format Architecture, allowing you to simply flip a switch to active, populate the tables, partitions, sub-partitions, materialized views into the column store when altering this segments with inmemory subclause and you’re done. We explored how to find the candidates for In-Memory with our advisors. We also went deep on the following topics: 9:00 What are Analytic Queries and how do they have to look to get the most out of things like In-Memory Aggregation? 21:50 The Dual Format Architecture 22:30 Apply the latest Proactive Bundle Patches to get the latest innovations, in addition to fixes. 24:50 Think about proper preparation and unset some Database Parameters (e.g. deactive dynamic sampling). 28:30 A short demo demonstrating how easy it is to use Database In-Memory. 47:20 Key resources on our blog http://blogs.oracle.com/in-memory. AskTOM Office Hours offers free, monthly training and tips on how to make the most of Oracle Database, from Oracle product managers, developers and evangelists. https://asktom.oracle.com/ Oracle Developers portal: https://developer.oracle.com/ Sign up for an Oracle Cloud trial: https://cloud.oracle.com/en_US/tryit music: bensound.com
Views: 142 Oracle Developers
Does SQL table join order matter?
 
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Have you ever wondered if the order of the tables in your FROM clause matter? In today's video, we look at why theoretically table join order *does* make a difference for performance and why SQL Server doesn't use the order you provide. We also look at different techniques for forcing SQL Server to use the join order you specified. Blog post with all demo code and links: https://bertwagner.com/2017/11/21/does-the-join-order-of-my-tables-matter/ Presentation by Adam Machanic on row goals: https://sqlbits.com/Sessions/Event14/Query_Tuning_Mastery_Clash_of_the_Row_Goals Music by Joakim Karud http://youtube.com/joakimkarud Follow me on Twitter: https://twitter.com/bertwagner Want to receive my latest weekly blog posts and videos in your inbox? Sign up for the newsletter here: https://upscri.be/c77fc8/
Views: 1433 Bert Wagner
Range Partition in Oracle
 
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Understanding and creating range partition
Views: 88 Koenig Solutions
How to use Lookup in Talend with tmap perfectly
 
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Creating Lookup using talend 1.here i am filtering the Gl entries 2.then Aggregating those amount using perdkey(year and month wise). 3.combining different amonunt of gl entries to single table using perdkey. make sure that lookup must have more no.of rows(best practices)
Views: 14146 Crazybro
Partition and Partition point  Aggregator and Sorter Transformation
 
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Use of the Aggregator transformation (with sorted input condition enabled) followed by a Sorter transformation is quite common. However, when user wants to introduce multiple partitions with this combination, data integrity is the main concern. This video, demonstrates guidelines on - how to use the partition and partition points to ensure that data integrity. - And why the manual configuration change is required in this combination of transformations.
Views: 3049 Informatica Support
MINUS Operator (Introduction to Oracle SQL)
 
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Learn what the MINUS operator is and how to use it. The full Introduction to Oracle SQL course is available here: https://www.databasestar.com/introduction-to-oracle-sql-course/
Views: 325 Database Star
Tutorial 43 : INDEX in Oracle || BITMAP INDEX.
 
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Hi Friends! Here we are learning about BITMAP Index. Help the concept is clear to you. Please give me your feedback in Comment Box. Thanks. Happy Coding.
Views: 104 YourSmartCode
How Does a Hint Affect an Adaptive Join?
 
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Since adaptive joins can control their behavior, using either a hash or a nested loops, what happens when you start putting join hints into the mix. Let's explore that and see how the adaptive join, the execution plan, and the query performance is affected. -~-~~-~~~-~~-~- Please watch: "Extended Events Live Data Window " https://www.youtube.com/watch?v=UDtXjewvqmM -~-~~-~~~-~~-~- #sqlserver #performancetuning #adaptivejoin
Views: 51 Grant Fritchey
Real-World Performance - 9 - Deduplication
 
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Check out the entire series on the Oracle Learning Library at http://www.oracle.com/goto/oll/rwp In this video, listen and watch Andrew Holdsworth, Vice President of Oracle Database Real-World Performance at Oracle Corporation, as he demonstrates how deduplication of data affects performance. 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.
Clustered vs. Nonclustered Index Structures in SQL Server
 
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Clustered and nonclustered indexes share many of the same internal structures, but they're fundamentally different in nature. Watch Microsoft Certified IT Professional Jon Seigel explain the similarities and differences of clustered and nonclustered indexes, using a real-world example to show how these structures work to improve the performance of SQL queries. Blog post on primary key vs. the clustered index: http://voluntarydba.com/post/2012/10/02/The-Primary-Key-vs-The-Clustered-Index.aspx CREATE INDEX statement reference: http://technet.microsoft.com/en-us/library/ms188783.aspx ALTER INDEX statement reference: http://technet.microsoft.com/en-us/library/ms188388.aspx Index navigation internals by example: http://sqlblog.com/blogs/paul_white/archive/2011/08/09/sql-server-seeks-and-binary-search.aspx Sample index data is from the AdventureWorksLT2008R2 sample database: http://awlt2008dbscript.codeplex.com/releases/view/46169 Visit my channel for more database administration videos: https://www.youtube.com/voluntarydba Subscribe to get notified about my latest videos: https://www.youtube.com/voluntarydba?sub_confirmation=1 Read additional content on my blog: http://voluntarydba.com Follow on Twitter: https://twitter.com/voluntarydba Like on Facebook: https://facebook.com/voluntarydba
Views: 275699 Voluntary DBA
Vertica Foundation Series - Topic 5  Query Plan and Execution
 
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Watch this Foundation Learning Video to understand Vertica Query Plans and Execution. To learn more about visit: To learn more about Vertica visit: https://www.vertica.com/ The Vertica Analytics Platform is purpose built from the very first line of code for Big Data analytics. It is designed for use in data warehouses and other big data workloads where speed, scalability, simplicity, and openness are crucial to the success of analytics. Vertica relies on a tested, reliable distributed architecture and columnar compression to deliver blazingly fast speed. A simplified licensing model and the capability to deploy anywhere delivers on the promise of Big Data analytics like no other solution. SUBSCRIBE to the Micro Focus Learning Channel https://www.youtube.com/channel/UCyIyzdlQ8TqfbEZCIwWJU3w?sub_confirmation=1 More Micro Focus Links: HOME: https://software/microfocus.com TRAINING: https://software.microfocus.com/en-us/software/enterprise-software-education-services SERVICES: https://software.microfocus.com/en-us/software/integrated-strategic-consulting-services SUPPORT: https://software.microfocus.com/en-us/software/customer-technical-support-services COMMUNITY: https://community.saas.hpe.com/t5/Products/ct-p/sws-ProductFamilies Micro Focus and HPE Software have joined to become one of the largest pure-play software companies in the world. Bringing together two leaders in the software industry, Micro Focus is uniquely positioned to help customers maximize existing software investments and embrace innovation in a world of Hybrid IT - from mainframe to mobile to cloud.
【VDEDU】Unusable indexes use
 
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Unusable indexes in Oracle, DML statements are not use the index to its maintenance, at the same time the optimizer will not use the index. Unusable indexes no segment exists. Unavailable index index becomes available methods are: 1. Place the index can not be truncate operation corresponding table; 2.rebuild index; In addition, the query optimizer can use conversion method expand table so that the SQL statement has encountered unusable index partition table to generate better execution plans.
Views: 56 崔旭
69. SQL Using Subqueries to Improve Performance (Programming In Access 2013)
 
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SQL Using Subqueries to Improve Performance in "Programming in Microsoft Access 2013". Hosted by Steve Bishop. In this free beginner video tutorial series Steve will be going over Database Development in Access, creating the User Interface, creating SQL queries, and coding the backend of the application in Visual Basic for Applications (VBA). Click here for the full playlist of "Programming in Access 2013" http://www.youtube.com/playlist?list=PLYMOUCVo86jEeMMdaaq03jQ_t9nFV737s Click here for the Work Files of this series: https://github.com/Xipooo/ProgrammingInAccess2013
Views: 15769 Programming
62. SQL JOIN Statement (Programming In Access 2013)
 
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SQL JOIN Statement in "Programming in Microsoft Access 2013". Hosted by Steve Bishop. In this free beginner video tutorial series Steve will be going over Database Development in Access, creating the User Interface, and coding the backend of the application in Visual Basic for Applications (VBA). Click here for the full playlist of "Programming in Access 2013" http://www.youtube.com/playlist?list=PLYMOUCVo86jEeMMdaaq03jQ_t9nFV737s Click here for the Work Files of this series: https://github.com/Xipooo/ProgrammingInAccess2013
Views: 35034 Programming
What Oracle SQL analytic functions are?
 
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In this training video we will learn how to usу analytic SQL functions in Oracle
Views: 52 Spod ssppoodd
Full Outer Join (Introduction to Oracle SQL)
 
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Learn what a full outer join is, and how to use it in your queries. The full Introduction to Oracle SQL course is available here: https://www.databasestar.com/introduction-to-oracle-sql-course/
Views: 104 Database Star
Oracle Database 12c: Introduction to SQL - Creating Three-way Joins
 
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This video is a sample from Skillsoft's video course catalog. After watching it, you will be able to using a three-way join to join three tables in a SQL statement. Tracy Odendaal is an Oracle Database 11g Administrator Certified Master with 18 years’ experience as an Oracle database administrator, focusing on all areas of database administration. Tracy works closely with clients to design and implement Oracle solutions using DataGuard, GoldenGate, Oracle Database Appliance, Real Application Clusters, and Oracle Enterprise Manager. Skillsoft is a pioneer in the field of learning with a long history of innovation. Skillsoft provides cloud-based learning solutions for our customers worldwide, who range from global enterprises, government and education customers to mid-sized and small businesses. Learn more at http://www.skillsoft.com. https://www.linkedin.com/company/skillsoft http://www.twitter.com/skillsoft https://www.facebook.com/skillsoft
Views: 207 Skillsoft YouTube
MySQL Tutorial #3 in Hindi: Select Statement, Distinct Clause with Example Queries
 
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MySQL Tutorial #3 for Beginners in Hindi: Select Statement, Distinct Clause with Example Queries MySQL tutorial for Beginners MySQL Installation Guide How to Install MySQL on windows 10
Partitioning In Informatica
 
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Partitioning In Informatica
Views: 2084 CodeSmith 001
05-22 SQL: Nested Queries
 
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Geschachtelte SELECT-Anfragen
Views: 1233 Thomas Preuss
Oracle Data Guard Tutorial - Open the Standby Read Only (Part 2 of 4)
 
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This tutorial provides a quick review of what Data Guard is, and then goes on to show how you can extract value from Data Guard in every-day usage: how you can use it to enhance performance, and to reduce (yes, reduce!) your need for Oracle licences. Opening the standby database read-only. This has in fact been possible since the automation of redo transport and redo apply when it was first introduced in release 8i. Redo is received on the standby database but is not applied. So the redo is written to the RFS, slave to standby logs, archive to standby logs into archive logs but there's no apply done. So recoverability is not compromised. There's still no danger being lots of data. You're still receiving. The thing is open read-only. What does that mean? It means you can run queries against it. You can offload all your heavyweight queries from the primary to the standby. When I say all of them, even queries that require vast massive temporary space, those horrendous queries, those doing hash joins between multi gigabyte tables, they'll be generating many gigabytes of temporary data. You can write temporary data. Provided that you're using proper temporary tablespaces which you're certain you should be, you can run any query no matter how big, no matter how much temporary data it needs. You can also write audit data and this is important because with version 11, there's quite a lot of auditing enabled by default. By default, that auditing goes to the database, writing database tables. And you can't write to a database table in a read-only database. That we can configure for automatic switching and direct the audit records to the operating system or the trail instead. The queries you run, why is this such a good facility? First, you're taking stress off the primary. I'm sure that we're all DBAs here and we all know how difficult it is to tune your database or a concurrent workload that includes both high volume DML and includes heavyweight queries. Basically, you can't tune that way at all. Offloading the queries to the physical standby will reduce a lot of stress from the primary. So your DML should run significantly better and you can even do a certain amount of tuning on the standby to tune for optimal query performance. The most obvious tuning one would do, would be the memory parameters. No one could for example give the primary a massive PGA aggregate target and the much smaller SGA target or use indeed automatic memory management, perhaps cell tuning. One can adjust many parameters to do with tuning the optimizer to drive the optimizer to a certain execution plan, to exploit the environments. All that can be done on an open read-only database. How does one do it? It really couldn't be simpler. If we look at my physical standby here, this thing database role, physical standby - and if we select the open mode from v$ database, we find this in mount mode. How do we actually open at read-only? First off, we have to stop the recovery process because remember redo is received but no applied. You have to cancel the recovery. So "alter database recover managed standby database cancel." That will give us a read consistent version of the database. The command is intelligent enough to know that there might be incomplete transactions. Long-run transactions could've been partially received. We will end up with a read consistent version. To cancel it, all we do is alter database open read-only. It is that simple.
Views: 3103 SkillBuilders
Using MD5 Function in SCD Type 1 - Informatica
 
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MD5, we can identify whether data is changed or unchanged, usind change data capture to figure out the problem. i solved the problem of scd type1 by using MD5() function.
Views: 9882 Adam Tech
Partition and Partition point parallel data processing and data redistribution
 
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This video demonstrates, 1) What is partition and partition point. 2) How are they used together to sever the purpose of parallel processing of data, ensuring the data integrity. 3) How it helps in obtaining better performance.
Views: 24121 Informatica Support
CSE562 Class 20 Parallel Query Operators
 
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Parallel Data Flow, Parallel Joins, Parallel Aggregates
Views: 322 Oliver Kennedy
Informatica : Partitioning Basic Example - Part 1
 
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Basic Example of Partitioning In Informatica
Views: 53094 Mandar Gogate
Informatica Partitioning and Interview Questions Explanation | Informatica Training
 
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Here is the complete guide for informatica with all transformations which includes real time scenario Informatica Partitioning and Interview Questions Explanation | Informatica Training Informatica Partitioning and Interview Questions Explanation | Informatica Training
23.SQL Server Tutorial-Hindi(Temporary tables)
 
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Explained about Local and Global temporary tables
Views: 4114 lakshmi sowbhagya
Introduction to Join, Types of Join in DBMS in English, Hindi
 
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Introduction to Join, Types of Join in DBMS in English, Hindi for students of IP University Delhi and Other Universities, Engineering, MCA, BCA, B.Sc, M.Sc Colleges.
Views: 101358 Easy Engineering Classes
Lateral Joins
 
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In this episode of PGCasts we’ll be using Lateral Joins to more efficiently aggregate columns. Want to learn more? for full transcript and source code visit us at pgcasts.com Sponsored by Hashrocket. hashrocket.com
Views: 2167 PG Casts
DBMS - Test For Absence of Duplicate Tuples In SQL
 
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DBMS - Test For Absence of Duplicate Tuples In SQL Watch more Videos at https://www.tutorialspoint.com/videotutorials/index.htm Lecture By: Mr. Arnab Chakraborty, Tutorials Point India Private Limited
The X-Series - 2 - Zone Maps and Attribute Clustering
 
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Join Nigel Bayliss, Senior Principal Product Manager as he talks about Zone Maps and Attribute Clustering in Oracle Database 12c. ================================= For more information, see http://www.oracle.com/goto/oll 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.
TechBytes - Teradata Analytic Functions Overview
 
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This TechBytes is a quick overview of the new advanced analytic functions now available natively in Teradata Database. Learn what they are, how they are used, and what are some of the use cases are. Find out how Teradata enables you performing powerful data analyses without writing complex algorithms yourself.
Views: 642 Teradata
DBMS - Sparse vs. Dense Index
 
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DBMS - Sparse vs. Dense Index Watch more Videos at https://www.tutorialspoint.com/videotutorials/index.htm Lecture By: Mr. Arnab Chakraborty, Tutorials Point India Private Limited
Write SQL Query with Column Aliasing and Order by multiple Columns
 
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Tutorial how to write a SQL Query with Column Aliasing and Order by multiple Columns
WHERE clause in SQL Server
 
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WHERE clause in SQL Server, and working with OR, AND, LIKE, BETWEEN, IN, NOT IN operators Check the whole "SQL Server Basics" series here: https://www.youtube.com/playlist?list=PLU9JMEzjCv14f3cWDhubPaddxRvx1reKR Check my SQL blog at: http://sqlwithmanoj.com/ Check my SQL FB Page at: https://www.facebook.com/sqlwithmanoj
Views: 7615 SQL with Manoj
SELECT INTO TEMPORARY TABLE IN SQL SERVER
 
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How to select data from table and insert into temporary table in SQL Server
Views: 2033 Sourn Sarim
LISTAGG Function in Informatica
 
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LISTAGG orders data within each group .. As a single-set aggregate function, LISTAGG operates on all rows , here i m implementing listagg function in informatica scenario
Views: 1846 Adam Tech
SQL Server  Working with Complex Joins
 
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5. Working with Complex Joins
Views: 1021 Eagle
BETWEEN, IN, LIKE functions in Oracle SQL
 
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Oracle SQL tutorials, How to use a select statement with BETWEEN, IN, LIKE operators in Oracle SQL

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