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Oracle Database11g tutorials 8 || SQL DISTINCT with multiple columns |SQL Distinct with Two columns
 
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This SQL tutorial and Oracle database 11g tutorial for beginners will show how to use SQL DISTINCT keyword with SQL Select clause. This Video is in the continuation of previous video on SQL distinct with one column. In this video we will see How to use SQL distinct with multiple columns and SQL distinct with two columns 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 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: 98763 Manish Sharma
SQL Distinct and Multiple Columns
 
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Jamie King of Neumont University showing how SQL DISTINCT varies when multiple columns are present in the result set.
Views: 18831 Jamie King
SQL DISTINCT Within a SELECT - Retrieving Unique Values
 
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Jamie King of Neumont University demonstrating use of DISTINCT within a SQL SELECT command.
Views: 22447 Jamie King
SQL #2 - Distinct und Where
 
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In diesem Tutorial werde ich euch die Schlüsselwörter Distinct und Where erklären und die Syntax davon zeigen. ❤❤❤ Früherer Zugang zu Tutorials, Abstimmungen, Live-Events und Downloads ❤❤❤ ❤❤❤ https://www.patreon.com/user?u=5322110 ❤❤❤ ❤❤❤ Keinen Bock auf Patreon? ❤❤❤ ❤❤❤ https://www.paypal.me/TheMorpheus ❤❤❤ 🌍 Website 🌍 https://the-morpheus.de ¯\_(ツ)_/¯ Tritt der Community bei ¯\_(ツ)_/¯ ** https://discord.gg/BnYZ8XS ** ** https://www.reddit.com/r/TheMorpheusTuts/ ** ( ͡° ͜ʖ ͡°) Mehr News? Mehr Code? ℱ https://www.facebook.com/themorpheustutorials 🐦 https://twitter.com/TheMorpheusTuts 🐙 https://github.com/TheMorpheus407/Tutorials Du bestellst bei Amazon? Bestell über mich, kostet dich null und du hilfst mir »-(¯`·.·´¯)-» http://amzn.to/2slBSgH Videowünsche? 🎁 https://docs.google.com/spreadsheets/d/1YPv8fFJOMRyyhUggK8phrx01OoYXZEovwDLdU4D4nkk/edit#gid=0 Fragen? Feedback? Schreib mir! ✉ https://www.patreon.com/user?u=5322110 ✉ https://www.facebook.com/themorpheustutorials ✉ https://discord.gg/BnYZ8XS ✉ [email protected] oder schreib einfach ein Kommentar :)
SQL Inner Join Multiple Tables with SUM Tutorial - SQL 2008/2012/2016/2017
 
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Use inner joins with multiple tables to create reports. Uses aliases, and the SUM aggregate function to demonstrate the flexibility of the join statement. Get the SQL script to create the database and run the exercies in the video here: https://www.qewbi.com/sql/scripts/qewbijoins.zip
Views: 136388 Edward Kench
Урок 10. SQL. Конструкция DISTINCT
 
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Cпециальная команда DISTINCT которая предназначена для выбора в запросе только уникальных значений, уникальных строк то-есть исключает повторения и дублирования строк. учебная среда https://apex.oracle.com/pls/apex/ sqladv student1 student1
SQL Joins Tutorial for Beginners - Inner Join, Left Join, Right Join, Full Outer Join
 
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Learn how to create SQL Joins. The first 10 minutes teach you the basics. Inner Join, Left Outer Join, Right Outer Join, and Full Outer Join. The second 10 minutes show you are few techniques that will help you as you start building joins. READ THE ORIGINAL ARTICLE WITH THE TABLE SCRIPS http://www.sqltrainingonline.com/sql-joins-tutorial-for-beginners/ YOUTUBE NEWS UPDATES http://www.youtube.com/user/sqltrainingonline VISIT SQLTRAININGONLINE.COM FOR TONS MORE VIDEO NEWS & TIPS http://www.sqltrainingonline.com SUBSCRIBE FOR OTHER SQL TIPS AND NEWS! http://www.youtube.com/subscription_center?add_user=sqltrainingonline SUBSCRIBE TO OUR EMAIL LIST! http://www.sqltrainingonline.com LET'S CONNECT! Facebook: http://facebook.com/SQLTrainingOnline Twitter: http://twitter.com/sql_by_joey Linkedin: http://linkedin.com/in/joeyblue SQLTrainingOnline: http://www.sqltrainingonline.com
Views: 134750 Joey Blue
SQL Tutorial 12 Advanced Subqueries returning multiple columns
 
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SQL Tutorial on Advanced Subqueries returning multiple columns Check out our website: http://www.telusko.com Follow Telusko on Twitter: https://twitter.com/navinreddy20 Follow on Facebook: Telusko : https://www.facebook.com/teluskolearnings Navin Reddy : https://www.facebook.com/navintelusko Follow Navin Reddy on Instagram: https://www.instagram.com/navinreddy20 Subscribe to our other channel: Navin Reddy : https://www.youtube.com/channel/UCxmkk8bMSOF-UBF43z-pdGQ?sub_confirmation=1 Telusko Hindi : https://www.youtube.com/channel/UCitzw4ROeTVGRRLnCPws-cw?sub_confirmation=1
Views: 57075 Telusko
Getting Unique Records with DISTINCT (Introduction to Oracle SQL)
 
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How to find unique records using the DISTINCT keyword
Views: 123 Database Star
1 of 6 SQL Advanced with Oracle - Equi-joins, one-sided outer joins, plus notation
 
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This video shows examples of equi-joins (the default when you use two tables in a query), one-sided outer joins using the JOIN operator in the FROM clause, and the use of the "plus notation" in Oracle in the WHERE clause (another way to do a one-sided outer join). There is also an example of using a one-sided outer join with the "is null" criterion in the WHERE clause. (1 of 6) There is also an "SQL Fundamentals" series. (Search for "databasemec" for tutorials using SQL Server.)
Views: 39675 Jennifer Kreie
SQL Tutorial in Oracle - 4 NULL, LIKE, DISTINCT, ORDER BY
 
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SQL SELECT statement is used to fetch the data from a database table which returns data in the form of result table. These result tables are called result-sets. The LIKE operator is used in a WHERE clause to search for a specified pattern in a column. In SQL, wildcard characters are used with the SQL LIKE operator. SQL wildcards are used to search for data within a table. With SQL, the wildcards are: Wildcard Description % A substitute for zero or more characters _ A substitute for a single character [charlist] Sets and ranges of characters to match [^charlist] or [!charlist] Matches only a character NOT specified within the brackets Check out our website: http://www.telusko.com Follow Telusko on Twitter: https://twitter.com/navinreddy20 Follow on Facebook: Telusko : https://www.facebook.com/teluskolearnings Navin Reddy : https://www.facebook.com/navintelusko Follow Navin Reddy on Instagram: https://www.instagram.com/navinreddy20 Subscribe to our other channel: Navin Reddy : https://www.youtube.com/channel/UCxmkk8bMSOF-UBF43z-pdGQ?sub_confirmation=1 Telusko Hindi : https://www.youtube.com/channel/UCitzw4ROeTVGRRLnCPws-cw?sub_confirmation=1
Views: 17690 Telusko
SQL Tutorial - 27: The DISTINCT Keyword
 
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In this tutorial we'll see how we can pull out unique data from tables using the DISTINCT Clause in our Queries.
Views: 45043 The Bad Tutorials
DISTINCT in SQL | Database Management System
 
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Join discussion on: http://www.techtud.com/video-lecture/distinct-sql IMPORTANT LINKS: 1) Official Website: http://www.techtud.com/ 2) Virtual GATE: http://virtualgate.in/login/index.php Both of the above mentioned platforms are COMPLETELY FREE, so feel free to Explore, Learn, Practice & Share! Our Social Media Links: Facebook Page: https://www.facebook.com/techtuduniversity Facebook Group: https://www.facebook.com/groups/virtualgate Google+ Page: https://plus.google.com/+techtud/posts Last but not the least, SUBSCRIBE our YouTube channel to stay updated about the regularly uploaded new videos.
Views: 4166 Techtud
SQL   2  Select  Distinct  Where  Order by  Having  In  Like   Join  Exists  Sum  Count  Max  Min
 
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Deuxième vidéo-tutoriel SQL - Select. Distinct. Where. Order by. Having. In. Like. Join. Exists. Sum. Count. Max. Min. Avg. Cast. Union. Intersection. Except. Create View.
Views: 296 emt
Oracle Database11g tutorials 7 | |SQL DISTINCT keyword || SQL tutorials
 
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This SQL tutorial and Oracle database 11g tutorial for beginners will show how to use SQL DISTINCT keyword with SQL Select clause. 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 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: 100935 Manish Sharma
SQL.2.- Select. Distinct. Where. Order by. Having. In. Like. Join. Exists. Sum. Count. Max. Min.
 
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Second video-tutorial. SQL.2- Select. Distinct. Where. Order by. Having. In. Like. Join. Exists. Sum. Count. Max. Min. Avg. Cast. Union. Intersection. Except. Create View
Views: 1524 emt K
Oracle SQL Developer Tutorial For Beginners  98   DISTINCT   Avoiding Duplicates in the Results
 
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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: 670 Sam Dhanasekaran
SQL для чайников | DISTINCT описание
 
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SQL для чайников | DISTINCT описание Что такое DISTINCT - это аргумент который устраняет дублирующиеся значения из вашего предложения SELECT. Предположим, что Вы хотите знать какие агенты в настоящий момент имеют заказы в таблице заказов. Вам не нужно знать сколько заказов имеет каждый, Вам нужен только список кодов агентов (snum). Пройди курсы по SQL: https://goo.gl/uCWxEP
Views: 1356 Oracle RUS
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: 3781 Pebbles Tutorials
How to Join 3 tables in 1 SQL query
 
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Get your first month on the Joes 2 Pros Academy for just $1 with code YOUTUBE1. Visit http://www.joes2pros.com Offer expires July 1, 2015 From the newly released 2 Disc DVD set (SQL Queries Joes 2 Pros Vol2) this video shows how to join 3 tables in 1 query.
Views: 251699 Joes2Pros SQL Trainings
2 of 6 SQL Advanced with Oracle - Type I subqueries, plus distinct, rollback and UPPER()
 
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This video gives some examples of Type I subqueries. There are examples using IN and NOT IN. A Type I subquery is an alternative to using DISTINCT to remove duplicate rows. Subqueries, in general, are a good way to decompose a problem into smaller, simpler SQL statements. This video also shows examples of the UPPER() function and rollback. (2 of 6) There is also an "SQL Fundamentals" series. (Search for "databasemec" for tutorials using SQL Server.)
Views: 15299 Jennifer Kreie
SQL Tutorial - 29: SQL JOINS
 
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In this tutorial we'll take a look at SQL JOINS and see how we can pull data from two tables through a single query!
Views: 98958 The Bad Tutorials
Learn Oracle | Alias Names, Concatenation, Distinct Keyword
 
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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: 380 Pebbles Tutorials
Oracle SQL PLSQL 12C Tutorial 9 - DISTINCT Command, Unique Data
 
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This Video Tutorial Will Describe how to get DISTINCT OR unique values or data from a table in oracle 12C version. This command will also work on other versions of database like Oracle 11g Database, Oracle 10g Database, Oracle 9i Database, Oracle 8i Database, Oracle 8 Database and so on. Whenever you create a new table in oracle, sometimes you just insert the duplicate data or sometimes you need to get only some columns of data which are duplicate but the row is unique. In that case, you need this DISTINCT clause. Full Syntax will be given in this video tutorial about how to get unique records from oracle database table. Along with the live example to get DISTINCT records. All the keywords, format, mandatory clauses etc are described in this video.
55. SELECT DISTINCT in SQL (Hindi)
 
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Please Subscribe Channel Like, Share and Comment Visit : www.geekyshows.com
Views: 11819 Geeky Shows
SQL Aggregation queries using Group By, Sum, Count and Having
 
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From SQL Queries Joes 2 Pros (Vol2) ch4.1. Learn up to write aggregated queries.
Views: 169484 Joes2Pros SQL Trainings
Oracle COUNT Function
 
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https://www.databasestar.com/oracle-count/ The Oracle COUNT function is used to count the number of rows from the column, or number of values, provided to it. It’s commonly used to find the number of rows returned by a SELECT query. The syntax of the COUNT function is: COUNT ( [ * | [ DISTINCT | ALL ] expression) [ over (analytic_clause) ] There’s a lot of square brackets here, indicating optional parameters and choices. This just means you can use the COUNT function in a few different ways: COUNT(*) COUNT(DISTINCT expression) COUNT(ALL expression) COUNT(*) OVER (analytic_clause) COUNT(DISTINCT expression) OVER (analytic_clause) COUNT(ALL expression) OVER (analytic_clause) It can be used as an aggregate or analytic function. The parameters of the COUNT function are: - expression: The expression to count the values of. This can be a column or a set of values, for example. - analytic_clause: This is used to specify the criteria for an analytic query. COUNT(*) is the most common way to use this function, I’ve found. As COUNT(*) is an aggregate function, like all aggregate functions the columns mentioned in the SELECT clause need to exist in the GROUP BY clause. NULL values are ignored by COUNT(expression), but they are counted when using COUNT(*). COUNT(*) has the exact same calculation and performance as COUNT(1). For more information about the Oracle COUNT function, including all of the SQL shown in this video and the examples, read the related article here: https://www.databasestar.com/oracle-count/
Views: 181 Database Star
What to choose for performance   SubQuery or Joins   Part 62
 
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Text version of the video http://csharp-video-tutorials.blogspot.com/2013/01/what-to-choose-for-performance.html Slides http://csharp-video-tutorials.blogspot.com/2013/09/part-62-what-to-choose-for-performance.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 What to choose for performance - SubQuery or Joins According to MSDN, in sql server, in most cases, there is usually no performance difference between queries that uses sub-queries and equivalent queries using joins. For example, on my machine I have 400,000 records in tblProducts table 600,000 records in tblProductSales tables The following query, returns, the list of products that we have sold atleast once. This query is formed using sub-queries. When I execute this query I get 306,199 rows in 6 seconds Select Id, Name, Description from tblProducts where ID IN ( Select ProductId from tblProductSales ) At this stage please clean the query and execution plan cache using the following T-SQL command. CHECKPOINT; GO DBCC DROPCLEANBUFFERS; Go DBCC FREEPROCCACHE; GO Now, run the query that is formed using joins. Notice that I get the exact same 306,199 rows in 6 seconds. Select distinct tblProducts.Id, Name, Description from tblProducts inner join tblProductSales on tblProducts.Id = tblProductSales.ProductId Please Note: I have used automated sql script to insert huge amounts of this random data. Please watch Part 61 of SQL Server tutorial, in which we have discussed about this automated script. According to MSDN, in some cases where existence must be checked, a join produces better performance. Otherwise, the nested query must be processed for each result of the outer query. In such cases, a join approach would yield better results. The following query returns the products that we have not sold atleast once. This query is formed using sub-queries. When I execute this query I get 93,801 rows in 3 seconds Select Id, Name, [Description] from tblProducts where Not Exists(Select * from tblProductSales where ProductId = tblProducts.Id) When I execute the below equivalent query, that uses joins, I get the exact same 93,801 rows in 3 seconds. Select tblProducts.Id, Name, [Description] from tblProducts left join tblProductSales on tblProducts.Id = tblProductSales.ProductId where tblProductSales.ProductId IS NULL In general joins work faster than sub-queries, but in reality it all depends on the execution plan that is generated by SQL Server. It does not matter how we have written the query, SQL Server will always transform it on an execution plan. If sql server generates the same plan from both queries, we will get the same result. I would say, rather than going by theory, turn on client statistics and execution plan to see the performance of each option, and then make a decision. In a later video session we will discuss about client statistics and execution plans in detail.
Views: 86800 kudvenkat
Consultas básicas SQL 2EX 2 (NOT IN, DISTINCT, INNER JOIN)
 
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2EX-2 Obtener la dirección de las casillas que no han tenido votos SELECT direccion from casillas where direccion NOT IN (SELECT distinct direccion from casillas INNER JOIN votos ON casillas.casilla_id = votos.casilla_id);
Views: 54 Viany Azulita
SQL tutorial 30: Inner Join In SQL by Manish Sharma/RebellionRider
 
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SQL Tutorial 30 Inner Join Tutorial Consist Inner Join Intro :: Syntax of Inner Join :: Inner Join with ON clause Inner Join with USING caluse Links Wishlist: http://bit.ly/wishlist-amazon Website/script: http://bit.ly/inner-join-rebellionrider --Video Tutorials-- Full Outer Join--http://youtu.be/LqjCp_eQfWE Left Outer Join--http://youtu.be/RihtqOtJ18U Right Outer Join--http://youtu.be/aiiDEzvkMRk 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 Contacts E-Mail [email protected] Twitter https://twitter.com/rebellionrider Instagram http://instagram.com/rebellionrider Facebook. https://www.facebook.com/imthebhardwaj Linkedin. http://in.linkedin.com/in/mannbhardwaj/ Thanks for liking, commenting, sharing and watching more of our videos This is Manish from RebellionRider.com
Views: 32887 Manish Sharma
Learn Oracle | How to use Outer Joins Left, Right, Full 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: 282 Pebbles Tutorials
ORACLE SQL 6: Distinct & Count
 
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Views: 927 studyandsharevn
SQL для начинающих (DML):  SELECT DISTINCT / ALL, Урок 18!
 
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В этом видео уроке рассмотри ключевые слова SQL такие как DISTINCT И DISTINCT ALL в sql запросе типа SELECT. Ключевое слово DISTINCT используется для ограничения количества вывода результирующих записей после выполнения запроса, таким образом что, если найдены одинаковые записи которые полностью совпадают по значениям всех получаемых полей. Т.е. обладают полной идентичностью, то в таком случае DISTINCT говорит что в результате выполнения запроса не будет ни одной идентичной записи. Для выполнения абсолютно противоположного действия достаточно после ключевого слова DISTINCT написать ключевое слово ALL которое говорит, о том, что в результате будут все идентичные записи. Аналогичный результат может быть без использования DISTINCT ALL. Группа в ВК: vk.com/club74199947
Views: 1338 LessonFirst
Joins in SQL Server - Part 1 | MSSQL Training Tutorial
 
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** For Online Training Registration: https://goo.gl/r6kJbB ? Call: +91-8179191999 ? Visit Our Website for Classroom Training: https://nareshit.in/sql-server-training/ ? For Online Training: https://nareshit.com/course/sql-server-online-training/ #sqlserver #server #programming #course #Tutorials #Training #Videos -------------------------- ? About NareshIT: "Naresh IT is having 14+ years of experience in software training industry and the best Software Training Institute for online training, classroom training, weekend training, corporate training of Hadoop, Salesforce, AWS, DevOps, Spark, Data Science, Python, Tableau, RPA ,Java, C#.NET, ASP.NET, Oracle, Testing Tools, Silver light, Linq, SQL Server, Selenium, Android, iPhone, C Language, C++, PHP and Digital Marketing in USA,Hyderabad, Chennai and Vijayawada,Bangalore India which provides online training across all the locations -------------------------- ? Our Online Training Features: 1.Training with Real-Time Experts 2.Industry Specific Scenario’s 3.Flexible Timings 4.Soft Copy of Material 5. Share Videos of each and every session. -------------------------- Please write back to us at [email protected]/[email protected] or Call us at USA: +1404-232-9879 or India: +918179191999 ** Check The Below Links** ? For Course Reg: https://goo.gl/r6kJbB ? Subscribe to Our Channel: https://goo.gl/q9ozyG ? Circle us on G+: https://plus.google.com/NareshIT ? Like us on Facebook: https://www.facebook.com/NareshIT ? Follow us on Twitter: https://twitter.com/nareshitech ? Follow us on Linkedin: https://in.linkedin.com/company/naresh-i-technologies ? Follow us on Instagram: https://www.instagram.com/nareshitech/
Views: 61773 Naresh i Technologies
DB Q Join many and distinct
 
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DB Q Inner Join and Outer Join
Views: 164 Shimon Cohen
Consultas Básicas SQL #EX 2 (COUNT, INNER JOIN. GROUP BY)
 
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Solución EX-2 SELECT distinct casillas.casilla_id, COUNT(voto_id) FROM Casillas INNER JOIN Votos on Casillas.casilla_id = Votos.casilla_id group by casillas.casilla_id
Views: 187 Viany Azulita
Complex Joins in Tableau
 
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In this tutorial video, we will be going over complex joins in Tableau. We'll talk about: - How to join more than two tables together, - What data is included and excluded for various types of joins, - How your joins affect calculations in your views, and more. We'll also be talking briefly about how Level of Detail expressions can be used with joined data that has duplicate records. Boulder Insight - http://boulderinsight.com/ Blog - http://boulderinsight.com/index.php/boulder-insight-blog/
Views: 59676 Boulder Insight
Tutoriales SQL Server #28 - distinct
 
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Tutoriales de SQL server 2012 en español Descarga: Microsoft SQL Server 2012 Express http://www.microsoft.com/es-mx/download/details.aspx?id=29062 Tenemos un colaborador en el canal "David Hackro" Puedes contactar con TutorialesHackro en su canal o redes sociales. http://www.youtube.com/user/tutorialeshackro https://www.facebook.com/TutorialesHackro https://twitter.com/TutorialesHacko tutorialesdeprogramacion.hol.es
Views: 30890 deividcoptero
Intersect operator in sql server
 
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sql intersect vs join sql server intersect example sql server intersect vs inner join sql server inner join remove duplicates In this video we will discuss 1. Intersect operator in sql server 2. Difference between intersect and inner join Intersect operator retrieves the common records from both the left and the right query of the Intersect operator. Introduced in SQL Server 2005 The number and the order of the columns must be same in both the queries The data types must be same or at least compatible Let us understand INTERSECT operator with an example. The following query retrieves the common records from both the left and the right query of the Intersect operator. Select Id, Name, Gender from TableA Intersect Select Id, Name, Gender from TableB We can also achieve the same thinkg using INNER join. The following INNER join query would produce the exact same result. Select TableA.Id, TableA.Name, TableA.Gender From TableA Inner Join TableB On TableA.Id = TableB.Id What is the difference between INTERSECT and INNER JOIN 1. INTERSECT filters duplicates and returns only DISTINCT rows that are common between the LEFT and Right Query, where as INNER JOIN does not filter the duplicates. To understand this difference, insert the following row into TableA Insert into TableA values (2, 'Mary', 'Female') Now execute the following INTERSECT query. Notice that we get only the DISTINCT rows Select Id, Name, Gender from TableA Intersect Select Id, Name, Gender from TableB Now execute the following INNER JOIN query. Notice that the duplicate rows are not filtered. Select TableA.Id, TableA.Name, TableA.Gender From TableA Inner Join TableB On TableA.Id = TableB.Id You can make the INNER JOIN behave like INTERSECT operator by using the DISTINCT operator Select DISTINCT TableA.Id, TableA.Name, TableA.Gender From TableA Inner Join TableB On TableA.Id = TableB.Id 2. INNER JOIN treats two NULLS as two different values. So if you are joining two tables based on a nullable column and if both tables have NULLs in that joining column then, INNER JOIN will not include those rows in the result-set, where as INTERSECT treats two NULLs as a same value and it returns all matching rows. To understand this difference, execute the following 2 insert statements Insert into TableA values(NULL, 'Pam', 'Female') Insert into TableB values(NULL, 'Pam', 'Female') INTERSECT query Select Id, Name, Gender from TableA Intersect Select Id, Name, Gender from TableB INNER JOIN query Select TableA.Id, TableA.Name, TableA.Gender From TableA Inner Join TableB On TableA.Id = TableB.Id Text version of the video http://csharp-video-tutorials.blogspot.com/2015/09/intersect-operator-in-sql-server.html Slides http://csharp-video-tutorials.blogspot.com/2015/09/intersect-operator-in-sql-server_6.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: 37435 kudvenkat
11 of 15 SQL Basics with Oracle - Using two or more tables in a query
 
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This video explains how to get data from 2 or more tables. Two methods are explained: the WHERE clause and the JOIN operator. Examples of each are shown. (11 of 15) There is also an "Advanced SQL" series. (Search for "databasemec" for tutorials using SQL Server.)
Views: 3074 Jennifer Kreie
Select statement in sql server - Part 10
 
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In this video we will learn 1. Select specific or all columns 2. Distinct rows 3. Filtering with where clause. 4. Wild Cards in SQL Server 5. Joining multiple conditions using AND and OR operators 6. Sorting rows using order by 7. Selecting top n or top n percentage of rows Text version of the video http://csharp-video-tutorials.blogspot.com/2012/08/select-statement-part-10.html Slides http://csharp-video-tutorials.blogspot.com/2013/08/part-10-all-about-select.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: 335213 kudvenkat
Using DISTINCT in SQL
 
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A brief beginner's introduction to the DISTINCT operator in SQL. DISTINCT creates a set of unique records, based on field values. In other words, duplicates records, based on field values, are removed. DISTINCT is often used with COUNT, to achieve a count of distinct values. Be aware that NULL is treated as a distinct value in terms of records, but COUNT ignores NULLs. See the full code here: https://douglaskline.blogspot.com/2018/10/using-distinct-in-sql.html
Views: 79 Database by Doug
Part 1   How to find nth highest salary in sql
 
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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-1-how-to-find-nth-highest-salary_17.html This is a very common SQL Server Interview Question. There are several ways of finding the nth highest salary. By the end of this video, we will be able to answer all the following questions as well. How to find nth highest salary in SQL Server using a Sub-Query How to find nth highest salary in SQL Server using a CTE How to find the 2nd, 3rd or 15th highest salary Let's use the following Employees table for this demo Use the following script to create Employees table Create table Employees ( ID int primary key identity, FirstName nvarchar(50), LastName nvarchar(50), Gender nvarchar(50), Salary int ) GO Insert into Employees values ('Ben', 'Hoskins', 'Male', 70000) Insert into Employees values ('Mark', 'Hastings', 'Male', 60000) Insert into Employees values ('Steve', 'Pound', 'Male', 45000) Insert into Employees values ('Ben', 'Hoskins', 'Male', 70000) Insert into Employees values ('Philip', 'Hastings', 'Male', 45000) Insert into Employees values ('Mary', 'Lambeth', 'Female', 30000) Insert into Employees values ('Valarie', 'Vikings', 'Female', 35000) Insert into Employees values ('John', 'Stanmore', 'Male', 80000) GO To find the highest salary it is straight forward. We can simply use the Max() function as shown below. Select Max(Salary) from Employees To get the second highest salary use a sub query along with Max() function as shown below. Select Max(Salary) from Employees where Salary [ (Select Max(Salary) from Employees) To find nth highest salary using Sub-Query SELECT TOP 1 SALARY FROM ( SELECT DISTINCT TOP N SALARY FROM EMPLOYEES ORDER BY SALARY DESC ) RESULT ORDER BY SALARY To find nth highest salary using CTE WITH RESULT AS ( SELECT SALARY, DENSE_RANK() OVER (ORDER BY SALARY DESC) AS DENSERANK FROM EMPLOYEES ) SELECT TOP 1 SALARY FROM RESULT WHERE DENSERANK = N To find 2nd highest salary we can use any of the above queries. Simple replace N with 2. Similarly, to find 3rd highest salary, simple replace N with 3. Please Note: On many of the websites, you may have seen that, the following query can be used to get the nth highest salary. The below query will only work if there are no duplicates. WITH RESULT AS ( SELECT SALARY, ROW_NUMBER() OVER (ORDER BY SALARY DESC) AS ROWNUMBER FROM EMPLOYEES ) SELECT SALARY FROM RESULT WHERE ROWNUMBER = 3
Views: 889017 kudvenkat
الفيديو الاول لشرح   DISTINCT  in  SQL
 
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أكاديمية ميكروسوفت بالأسكندرية (SQL ) فيديو شرح DISTINCT
Views: 1592 Hisham Awad
SQL OUTER JOIN
 
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Jamie King of Neumont University demonstrating OUTER JOINs.
Views: 4182 Jamie King

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