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How update multiple values of column with a single UPDATE statement in ms sql server
 
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Is there a way to update multiple columns in SQL server, I would like to update multiple columns in a table based on values,update multiple columns with a single UPDATE statement More @ http://goo.gl/VLYo0Q
Views: 23203 Ajmath Shaik
Learn How to Update Data Rows using Update Statement in SQL
 
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Learn about using UPDATE statement in SQL. As the name suggests UPDATE statement is used to update the data rows in a table. The UPDATE statement can update one or multiple column values in single SQL statement. WHERE clause is used to specify the data row to be updated. UPDATE statement without WHERE clause will update all the data rows in the table. Any existing data rows or records in target table remain unaffected. Here are the examples UPDATE statements, UPDATE tablename SET column1 = newvalue; UPDATE tablename SET column1 = newvalue1, column2 = newvalue2 WHERE columnid = 3; Select the "school" database, "USE school;" Run a simple SQL statement to display all the data rows in students table using SQL statement, "SELECT * FROM students;" Here in this result set, take a look at studentid 1. Suppose we have accidentally added this student record under class first instead of second. And now we are going to update this row to change the class value from 'First' to 'Second'. We will use the SQL statement, "UPDATE students SET class = 'Second' WHERE studentid = 1;" Press enter to execute the statement and display all the data rows in 'students' table, "SELECT * FROM students;" And sure enough the class value for studentid 1 is changed from 'First' to 'Second'. Check out the whole playlist of SQL Tutorials or Individual video from the following links, SQL Tutorial for Beginners. Introduction to SQL Basics https://www.youtube.com/playlist?list=PLhwzZMYRiUErXXX0Ryud2R7RjesCEdTqi 1.Learn What is SQL? Introduction to SQL https://www.youtube.com/watch?v=ox6zUOKascs 2.Learn How to Install MySQL Database Server on Windows Operating System https://www.youtube.com/watch?v=vtnoWaydkEU 3.Learn What is Database? How to Create and Show Databases using SQL https://www.youtube.com/watch?v=-yJgWq6K_U8 4.Learn How to Select and Use Existing Database using SQL https://www.youtube.com/watch?v=QMViQ38SPxc 5.Learn How to Delete or Remove Database using SQL https://www.youtube.com/watch?v=wjEOZKvfH4c 6.Learn What is Database Table? How to Create a Database Table using SQL? https://www.youtube.com/watch?v=8SvtNIfzC4o 7.Learn How to Modify or Update Database Table using SQL https://www.youtube.com/watch?v=1he5oZzG33o 8.Learn How to Delete or Remove Database Table using SQL https://www.youtube.com/watch?v=JD87WvBist0 9.Learn How to Add Data Rows in a Table using SQL https://www.youtube.com/watch?v=UB-bQxAQbWg 10.Learn How to Use INSERT INTO SELECT Statement in SQL https://www.youtube.com/watch?v=U4ApxHF4R1g 11.Learn How to Update Data Rows using Update Statement in SQL https://www.youtube.com/watch?v=lE1BmNbFJdo 12.Learn How to Delete Data Rows using Delete Statement in SQL https://www.youtube.com/watch?v=1ViqX1tFgYM Subscribe to my channel: https://www.youtube.com/channel/UCvrq9OowoORTV5Gs_jpADhw
SQL Tutorial - 21: The UPDATE Query
 
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In this tutorial we'll check out the UPDATE Query which is used to update/change records in a table.
Views: 85715 The Bad Tutorials
GROUP BY with Multiple Columns (Introduction to Oracle SQL)
 
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Learn how to group with multiple columns using GROUP BY in SQL. The full Introduction to Oracle SQL course is available here: https://www.databasestar.com/introduction-to-oracle-sql-course/
Views: 955 Database Star
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: 18730 Jamie King
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: 56319 Telusko
SQL Tutorial 16 Update clause
 
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multiple column update, update using correlated subquery in set clause 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: 5082 Telusko
MERGING DATA IN MULTIPLE COLUMNS INTO SINGLE COLUMN IN ORACLE
 
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LET US CONSIDER THAT I HAVE DATA IN 2 OR 3 COLUMNS AND I WANT TO MERGE THE DATA INTO SINGLE "COLUMN"..THIS VIDEO TEACHES CLEARLY HOW WE CAN DO THAT IN "ORACLE"..
Views: 1481 P-Square Technologies
HOW TO RETURN MULTIPLE VALUES FROM A PROCEDURE IN ORACLE PL/SQL? (USING OUT PARAMETERS)
 
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This video tutorial explains how an oracle procedure can return multiple values with a proper example. The video tutorial shows how this problem can be tacked using simple and easy to understand out parameters!!!
Views: 12580 Kishan Mashru
Tutorial#73 How to Rename Multiple Columns in Single Query in Oracle SQL Database
 
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Explaining how to alter/Rename columns in Single Query of oracle database, this can be the interview question for Oracle SQL follow me on: Facebook Page: https://www.facebook.com/LrnWthr-319371861902642/?ref=bookmarks Contacts Email: [email protected] Instagram: https://www.instagram.com/equalconnect/ Twitter: https://twitter.com/LrnWthR #Oracle #equalConnectCoach #rakeshmalviya
Views: 30 EqualConnect Coach
Oracle SQL PLSQL 12C Tutorial 14   UPDATE Statement
 
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This Video Tutorial Will Describe how to update a row or update column or update particular value which is already inserted into the 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. This command is used to update or modify the inserted data into the table. You can update single column, single row, multiple columns or multiple rows with this command. Full Syntax will be given in this video tutorial about how to update data in oracle database table. Along with the live example to update rows or columns from the table. All the keywords, format, mandatory clauses etc are described in this video.
Views: 72 game hounds
093-Oracle SQL 12c: Multiple Column Subquery / لقد وقعنا في الفخ
 
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تعلم اوراكل حتى الاحتراف EXAM 1Z0-061 EXAM 1Z0-071
Views: 1086 khaled alkhudari
How to insert records in multiple tables at same time
 
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How to insert records in multiple table at same time step by step, In this video i'm discus two methods for inserting records in multiple table at same time. #insert #ocptechnology #oracle12c
Views: 43545 OCP Technology
Update Table with inner join in SQL server
 
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Update Table with inner join in SQL server sql server SQL server tutorial SQL server beginner tutorial SQL server tutorial 2016 SQL server interview SQL server interview question SQL server tutorial beginner to advance sql server 2016 tutorial for beginners sql server 2016 sql server interview questions and answer sql tutorial sql tutorial for beginners sql queries tutorial sql server management studio 2016 interview question in sql server
Views: 2437 sadiq msi
SQL Tutorial - UPDATE
 
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This video will teach you how to UPDATE data within a table with working examples, within SQL Server, we also look at the dangers of running an UPDATE statement without a WHERE clause and the impact this will have. Remember: Always take a backup of your database when running DML scripts Test your script locally Add a WHERE clause unless you want to update all data within the table Statements: UPDATE ‘table_name’ SET ‘column_name’ = ‘value’ WHERE ‘column_name’ = ‘value’ UPDATE Customers_New SET C_Last_Name = 'Masters' WHERE C_Id = 4 UPDATE multiple columns: UPDATE Customers_New SET C_1st_Line = '10 Wayside', C_2nd_Line = 'Withington', C_City = 'Telford', C_PostCode = 'TF2 1SH' WHERE C_Id = 2 UPDATE data based on a join: UPDATE A SET A.C_Last_Name = B.C_Last_Name FROM Customers AS A INNER JOIN Customers_New AS B ON A.C_Id = B.C_Id WHERE A.C_Last_Name 'not equal too' B.C_Last_Name UPDATE statements (DML) are covered in the Microsoft Exam – Querying SQL Server (70-461) 2012 / 2014. To learn how to backup and restore databases check out the video below: SQL Tutorial – Backup and Restore https://youtu.be/rtX0T_bK5-0
Views: 132 BeardedDev
How to Add Multiple Columns to a SQL Server Table in Single Statement- TSQL Tutorial
 
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Sometime we have to add multiple columns to the already existing table. Instead of adding one column at a time we can add multiple columns in one SQL statement. blog post link for scripts used in this video http://sqlage.blogspot.com/2013/12/tsql-alter-table-add-multiple-columns.html
Views: 7007 TechBrothersIT
Multiple Column Add Up SQL
 
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You can send a query to a sql database to automatically have it add up a column of numbers and then return you the result. Here is how.
Views: 181 GuidesTutorials
Update one row value to another row value of same column in Hindi | SQL Tutorial
 
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In this video we explain, How to Update one row value to another row value of same column. For Updating one row value to other row value of same table, we can not use nested query because nested query not worked in same table. So Instead of writing long query OR writing any script to update the value we can use one small query to update the data. This is very useful when you need to update multiple data. Subscribe to my Channel: http://bit.ly/2lbj0vY Like and follow me on Facebook: http://bit.ly/2DOVKMV Follow me on Instagram: http://bit.ly/2kVZkx1 For any Inquiries: [email protected] Blog: http://easy2becoder.blogspot.in/
Views: 204 easy2becoder
How to Update bulk data (multiple rows) to a SQL Server database using ASP.NET.
 
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For Complete Step by Step Tutorial and source code visit : http://dotnetawesome.blogspot.com/2014/01/how-to-update-bulk-data-in-sql-server-using-aspnet.html
Views: 14864 sourav mondal
Delete Column in Sql Table | Delete Multiple Column in Sql  | Delete Multiple Column in Oracle
 
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how to select distinct on one column with multiple columns
 
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In this turial, I will show you How To Select Distinct on One Column With Multiple Columns in SQL SELECT Statement, How To Use distinct function in SQL SELECT Statement, How To retrieve distinct value in multiple value by SQL SELECT Statement . I hope you enjoy this tutorial. Please subscribe my channel. distinct in mysql - distinct in mysql for multiple columns - mysql select distinct on one column - mysql distinct multiple columns - mysql distinct count - distinct sql - select distinct count - select distinct on one column with multiple columns returned - mysql distinct two columns - mysql group by - distinct keyword in sql - distinct count in sql - distinct on multiple columns in sql - distinct of two columns in sql - distinct and group by in sql- mysql tutorial in bangla - mysql bangla tutorial - mysql - tutorial - beginner - advanced - mysql tutorial.
Views: 818 Soft-All
How to ADD single/multiple column on MySQL using ALTER command?
 
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MySQL ALTER statement is used when you want to change the name of your table or any table field. It is also used to add or delete an existing column in a table. Subscribe channel on YouTube:- https://www.youtube.com/channel/UCrp7exVNwPV4lxnc_-X9YTQ/videos Read this post on Blogger:- http://ipctrd.blogspot.in/ Like page on Facebook:- https://www.facebook.com/ipctrd/ Tweet about video on twitter:- https://twitter.com/ipctrd Let's chat on whatsapp:- https://chat.whatsapp.com/BrHbRDvbfs64CulIoLfbjf See you at Instagram :- https://www.instagram.com/ipctrd/ Google+ :- https://plus.google.com/u/0/101013097390807587448
Views: 515 Ipctrd
SQL Server Interview question  :- How to combine table row in to a single column / variable ?
 
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See 500 videos from http://www.questpond.com SQL Server Interview question :- How to combine table row in to a single column / variable ? Do not forget to see our SQL Server interview question book from http://www.flipkart.com/sql-server-8183331033/p/itmdyuqz2a6tzhjw
Views: 9771 Shivprasad Koirala
The SQL UPDATE Statement
 
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This video tutorial covers how to update fields in a SQL database table, using the SQL UPDATE statement. More guides and tutorials: http://www.itgeared.com/.
Views: 33015 itgeared
Update - Column Value in MySQL, H2 Database
 
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Get Source Code/Read : http://intactabode.com/ For Developing support email your Details at : [email protected] Install Free Trail GST Ready Accounting Package Send your Contact information Name, Email, Contact Number to watch demo in English : https://www.youtube.com/watch?v=a4sFNtZuYzs&ab_channel=IntactAbode watch demo in Hindi : https://www.youtube.com/watch?v=I3eCieDpG3o&ab_channel=IntactAbode For Source Code Visit : http://corneey.com/wJ6X2K Subscribe to YouTube channel http://corneey.com/wJ6VoC Like us on Facebook http://corneey.com/wJ6C2l Follow us on Twitter http://corneey.com/wJ6C7x Follow me on Google+ http://corneey.com/wJ6Vhc linkedin http://corneey.com/wJ6V5g Watch More Frequently Used Sql Queries in all Databases Complete Playlist: https://www.youtube.com/playlist?list=PLErD1cRL87W992bgZ_TX7gxl5UKuP9yF9 alter query in sql sql update multiple rows sql update multiple columns sql update from another table update query in oracle delete query in sql sql update join update query in php
Views: 207 Intact Abode
Update All row information in single column Part-12
 
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Update All row information in single column: ----------------------------------------------------------------------- Syntax: ----------- UPDATE `table_name` SET `column_name` = 'value'; ***********************Complete************************** Gmail: [email protected] Facebook: https://www.facebook.com/ridwanullah.yousuf Linkedin: https://www.linkedin.com/in/ridwanyousuf/
Views: 42 ridwanullah yousuf
ADD COLUMN, UPDATE COLUMN in Oracle SQL
 
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Oracle SQL tutorials, How to ADD COLUMN STATEMENT, UPDATE COLUMN in oracle sql
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: 168782 Joes2Pros SQL Trainings
The Magic of SQL: Column Update Mystery
 
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You use the update statement in SQL to modify existing values in a row. Normally you have to assign values to each column explicitly. In this video Chris updates the value in one column and also changes the value in another column - without any triggers in sight! Watch the video to see how it's done! ============================ 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: 6437 The Magic of SQL
57. ALTER TABLE for adding multiple columns without constraints in SQL (Hindi)
 
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Please Subscribe Channel Like, Share and Comment Visit : www.geekyshows.com
Views: 9516 Geeky Shows
SQL with Oracle 10g XE - Using UPDATE to Change Data in a Table
 
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In this video I use the UPDATE command to change existing data within a table. When using the UPDATE command you also need to use the keyword SET to choose the field column you wish to change and also a WHERE statement to choose the individual record that needs changed. The command I used is: UPDATE BOOKS SET BINDING = 'P' WHERE BOOK_ID = '11'; This video is part of a series of videos with the purpose of learning the SQL language. For more information visit Lecture Snippets at http://lecturesnippets.com.
Views: 9496 Lecture Snippets
SQL tutorial 23: Rename and Modify Column Using Alter Table By Manish Sharma (RebellionRider)
 
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How to Rename a column of a table using alter table and How to modify a column of a table using alter table Modify means How to change datatype of a column and how to change size/width of a column Web Article link http://bit.ly/sql-tutorial23 Tutorial 21 How to rename a table : http://bit.ly/sql-tutorial-21 Tutorial 22 How to add/ delete column: http://bit.ly/sql-tutorial-22 YouTube Video on How to create database http://bit.ly/create-database-using-DBCA 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: 44791 Manish Sharma
Part 6   Transform rows into columns in sql server
 
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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/2014/06/part-6-transform-rows-into-columns-in.html This is another common sql server interview question. We will be using Countries table in this example. SQL to create the table Create Table Countries ( Country nvarchar(50), City nvarchar(50) ) GO Insert into Countries values ('USA','New York') Insert into Countries values ('USA','Houston') Insert into Countries values ('USA','Dallas') Insert into Countries values ('India','Hyderabad') Insert into Countries values ('India','Bangalore') Insert into Countries values ('India','New Delhi') Insert into Countries values ('UK','London') Insert into Countries values ('UK','Birmingham') Insert into Countries values ('UK','Manchester') Here is the interview question. Write a sql query to transpose rows to columns. Using PIVOT operator we can very easily transform rows to columns. Select Country, City1, City2, City3 From ( Select Country, City, 'City'+ cast(row_number() over(partition by Country order by Country) as varchar(10)) ColumnSequence from Countries ) Temp pivot ( max(City) for ColumnSequence in (City1, City2, City3) ) Piv
Views: 188273 kudvenkat
JAVA: How to insert multiple records using PreparedStatement object in java
 
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In this video we can insert multiple records using PreparedStatement Obect in oracle database
Views: 12446 Programming Lifestyle
SQL Complete Tutorial - ADD or SUBSTRACT or MULTIPLY between two columns - Chapter 6
 
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In this video, I have explained how to add_subtract_multiply the two columns from the particular table. Comment - Follow - Like : https://www.facebook.com/TechyVickyBlog https://www.twitter.com/techyvicky https://www.pinterest.com/techyvicky/techy-vicky-blog https://plus.google.com/109896475845510580320/
Views: 32992 Vicky's Blog
SQL Tutorial - 13: Inserting Data Into a Table From Another Table
 
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In this tutorial we'll learn to use the INSERT Query to copy data from one table into another.
Views: 246304 The Bad Tutorials
Update Statement in Sql | Update in oracle | Update in Sql | Update Statement in Sql for Multiple
 
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updating a table  in dbms | dbms interview questions and answers
 
01:19
Update TableName set Column1='ColumnValue1'. Update query is used to change the previous record in the table. updating a table in sql server 2008,updating a table from another table in oracle,update table syntax in sql server,sql update select,sql update from another table,sql update join,sql update multiple rows,update query in mysql,update 2 tables in one query sql,update 2 tables in one query sql server,update multiple tables in single query sql,update two tables in single query in sql,update two tables in single query in sql server 2008,how to write update query in sql using stored procedure,update table syntax in sql server For more details visit: http://www.wikitechy.com/ Facebook: https://www.facebook.com/wikitechy Twitter: https://twitter.com/WikitechyCom Google Plus: https://plus.google.com/u/0/b/108939953321929485284/108939953321929485284/posts Linked in : https://www.linkedin.com/company/wikitechy Pinterest: https://www.pinterest.com/wikitechy/ Tumblr: http://wikitechy.tumblr.com/
How to Update Colomn Values in SQL Database
 
01:21
Get Source Code/Read : http://intactabode.com/ For Developing support email your Details at : [email protected] Install Free Trail GST Ready Accounting Package Send your Contact information Name, Email, Contact Number to watch demo in English : https://www.youtube.com/watch?v=a4sFNtZuYzs&ab_channel=IntactAbode watch demo in Hindi : https://www.youtube.com/watch?v=I3eCieDpG3o&ab_channel=IntactAbode For Source Code Visit : http://corneey.com/wJ6X2K Subscribe to YouTube channel http://corneey.com/wJ6VoC Like us on Facebook http://corneey.com/wJ6C2l Follow us on Twitter http://corneey.com/wJ6C7x Follow me on Google+ http://corneey.com/wJ6Vhc linkedin http://corneey.com/wJ6V5g Watch More Frequently Used Sql Queries in all Databases Complete Playlist: https://www.youtube.com/playlist?list=PLErD1cRL87W992bgZ_TX7gxl5UKuP9yF9 alter query in sql, sql update multiple rows ,sql update multiple columns ,sql update from another table ,update query in oracle ,delete query in sql ,sql update join ,update query in php
Views: 78 Intact Abode
MySQL Database Tutorial - 27 - How to Insert Multiple Rows
 
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Facebook - https://www.facebook.com/TheNewBoston-464114846956315/ GitHub - https://github.com/buckyroberts Google+ - https://plus.google.com/+BuckyRoberts LinkedIn - https://www.linkedin.com/in/buckyroberts reddit - https://www.reddit.com/r/thenewboston/ Support - https://www.patreon.com/thenewboston thenewboston - https://thenewboston.com/ Twitter - https://twitter.com/bucky_roberts
Views: 108211 thenewboston
DELETE ROW, MODIFY, UPDATE COLUMN, DROP TABLE in Oracle SQL
 
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Oracle SQL tutorials, How to DELETE ROW, MODIFY, UPDATE COLUMN, DROP TABLE in oracle sql
SQL script to insert into many to many table
 
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Text Article http://csharp-video-tutorials.blogspot.com/2017/02/sql-script-to-insert-into-many-to-many.html Slides http://csharp-video-tutorials.blogspot.com/2017/02/sql-script-to-insert-into-many-to-many_6.html SQL Server Interview Questions and Answers text articles & slides http://csharp-video-tutorials.blogspot.com/2014/05/sql-server-interview-questions-and.html SQL Server Interview Questions and Answers playlist https://www.youtube.com/playlist?list=PL6n9fhu94yhXcztdLO7i6mdyaegC8CJwR 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 In this video we will discuss how to insert data into a table that has many-to-many relationship Create table Students ( Id int primary key identity, StudentName nvarchar(50) ) Go Create table Courses ( Id int primary key identity, CourseName nvarchar(50) ) Go Create table StudentCourses ( StudentId int not null foreign key references Students(Id), CourseId int not null foreign key references Courses(Id) ) Go Students - Id column is identity column Courses - Id column is identity column StudentCourses - StudentId and CourseId columns are foreign keys referencing Id column in Students and Courses tables As you can see, StudentCourses is a bridge table that has many to many relationship with Students and Courses tables. This means a given student can be enrolled into many courses and a given course can have many students enrolled. Below is the question asked in an interview for SQL Server Developer role. Write a SQL script to insert data into StudentCourses table. Here are the rules that your script should follow. 1. There will be 2 inputs for the script Student Name - The name of the student who wants to enroll into a course Course Name - The name of the course the student wants to enroll into 2. If the student is already in the Students table, then use that existing Student Id. If the student is not already in the Students table, then a row for that student must be inserted into the Students table, and use that new student id. 3. Along the same lines, if the course is already in the Courses table, then use that existing Course Id. If the course is not already in the Courses table, then a row for that course must be inserted into the Courses table, and use that new course id. 4. There should be no duplicate student course enrollments, i.e a given student must not be enrolled in the same course twice. For example, Tom must not be enrolled in C# course twice. Answer : To avoid duplicate student course enrollments create a composite primary key on StudentId and CourseId columns in StudentCourses table. With this composite primary key in place, if someone tries to enroll the same student in the same course again we get violation of primary key constraint error. Alter table StudentCourses Add Constraint PK_StudentCourses Primary Key Clustered (CourseId, StudentId) Here is the SQL script that inserts data into the 3 tables as expected Declare @StudentName nvarchar(50) = 'Sam' Declare @CourseName nvarchar(50) = 'SQL Server' Declare @StudentId int Declare @CourseId int -- If the student already exists, use the existing student ID Select @StudentId = Id from Students where StudentName = @StudentName -- If the course already exists, use the existing course ID Select @CourseId = Id from Courses where CourseName = @CourseName -- If the student does not exist in the Students table If (@StudentId is null) Begin -- Insert the student Insert into Students values(@StudentName) -- Get the Id of the student Select @StudentId = SCOPE_IDENTITY() End -- If the course does not exist in the Courses table If (@CourseId is null) Begin -- Insert the course Insert into Courses values(@CourseName) -- Get the Id of the course Select @CourseId = SCOPE_IDENTITY() End -- Insert StudentId & CourseId in StudentCourses table Insert into StudentCourses values(@StudentId, @CourseId) If required, we can very easily convert this into a stored procedure as shown below. Create procedure spInsertIntoStudentCourses @StudentName nvarchar(50), @CourseName nvarchar(50) as Begin Declare @StudentId int Declare @CourseId int Select @StudentId = Id from Students where StudentName = @StudentName Select @CourseId = Id from Courses where CourseName = @CourseName If (@StudentId is null) Begin Insert into Students values(@StudentName) Select @StudentId = SCOPE_IDENTITY() End If (@CourseId is null) Begin Insert into Courses values(@CourseName) Select @CourseId = SCOPE_IDENTITY() End Insert into StudentCourses values(@StudentId, @CourseId) End Use the following statement to execute the stored procedure Execute spInsertIntoStudentCourses 'Tom','C#'
Views: 80624 kudvenkat
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: 135777 Edward Kench
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: 250975 Joes2Pros SQL Trainings
Oracle SELECT FOR UPDATE /عربي
 
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you can visit my website maxvlearn.com
Views: 1107 khaled alkhudari
ORDER BY Clause in Oracle | Oracle Tutorials for Beginners
 
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Oracle Tutorials for Beginners ORDER BY Clause In Oracle ORDER BY Clause in SQL Oracle Tutorials for Beginners Oracle SQL Introduction #Oracle Tutorisla for Beginners Oracle for Beginners Oracle plsql tutorial for Beginners Oracle plsql tutorial for Beginners Oracle plsql tutorial for Beginners ORDER BY in Oracle SQL ORDER BY in Oracle SQL ORDER BY in Oracle SQL NULLS FIRST in Oracle NULLS FIRST in Oracle NULLS LAST in Oracle NULLS LAST in Order by Clause how order by clause works in oracle oracle order by date oracle sort varchar2 alphabetically oracle order by case multiple columns oracle sql order by specific values order by in oracle w3schools sql order by multiple columns oracle order by column not in select order by in oracle w3schools oracle order by multiple columns oracle sql order by specific values how order by clause works in oracle oracle order by date oracle order by group by sql order by alphabetical order by sql
Views: 413 Oracle PL/SQL World
Import Multiple Text or CSV files to SQL Server Table by using Script Task in SSIS Package-P172
 
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SSIS Video Scenario: How to Import Multiple Text or CSV files to SQL Server Table by using Script Task in SSIS Package You are working as ETL Developer / SSIS Developer. You get single or multiple text/csv files in Source Folder on daily basis. You want to create an SSIS Package that should be able to load all the files to single Table and archive after loading to table. You want to built this package with configuration so by only provide different configuration values, it should be able to handle below scenarios 1) If your file provider decided to provide .txt file, it should be able to take them and load them 2) if your file provide decided to provide .csv files , by changing configuration value , package should be able to load the files 3) Table Name can change any time, so you should be able to provide table name by using configuration 4) Source Folder Path and Archive Folder Path can change, so you should be able to handle through configuration 5) File delimiter can also change, let's say you are getting files with comma(,). The file provider can make decision moving forward, he will be provide files with pipe( | ) . Link for script used in this video http://www.techbrothersit.com/2016/03/how-to-import-multiple-text-or-csv.html Check out our other videos on related topic on Dynamic CSV Source and Destination How to Import Multiple Text or CSV files to SQL Server Table by using Script Task in SSIS Package How to Load Text /CSV files with same or less columns than destination table by using Script Task in SSIS Package How to load Data from Multiple Text / CSV Files to SQL Server Table with File Name by using Script Task in SSIS Package How to Create Tables Dynamically from Flat Files and load Data in SSIS Package How to load Flat files to SQL Server Tables according to the Name of Flat File in SSIS Package How to Create Multiple Text/CSV Files Dynamically From a SQL Server Table depening upon Distinct Column Value in SSIS Package How to Export large table to multiple text/csv files by row count in SSIS Package How to Load all text/csv files to single Text/CSV File from a folder in SSIS Package How to create Text / CSV File Dynamically from Table or View in SSIS Package How to create Text / CSV File Dynamically from Stored Procedure Results in SSIS Package How to export all the tables from a database to CSV files with datetime in SSIS Package check out www.TechBrothersIT.com for free Technology Tutorials /Interview Questions SQL Server Integration Services(SSIS) Tutorial SQL Server Reporting Services (SSRS) Tutorial SQL Server / TSQL Tutorial
Views: 18969 TechBrothersIT

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