Delete Duplicates in SQL - SQL Training Online - Quick Tips Ep43
Delete Duplicates in SQL Server - SQL Training Online
In this video, I show you two different techniques to remove duplicate records in a SQL Server table.
I don't use the SQL distinct operators, but I actually group the data and apply unique row identifiers to make the SQL delete easier.
Both of the SQL delete statements involve SQL Server CTE statements and use the Row_Number operator to assist in the process. With the operator, you can identify the duplicate rows
You can get the sample script to run the test yourself at http://www.sqltrainingonline.com/how-....
If you enjoy the video, please give it a like, comment, or subscribe to my channel.
READ THE ORIGINAL ARTICLE WITH SQL SCRIPTS HERE
http://www.sqltrainingonline.com/how-...
YOUTUBE NEWS UPDATES
/ sqltrainingonline
VISIT SQLTRAININGONLINE.COM FOR MORE VIDEO NEWS & TIPS
http://www.sqltrainingonline.com
SUBSCRIBE FOR OTHER SQL TIPS AND NEWS!
http://www.youtube.com/subscription_c...
SUBSCRIBE TO OUR EMAIL LIST!
http://www.sqltrainingonline.com
LET'S CONNECT!
Facebook: / sqltrainingonline
Twitter: / sql_by_joey
Linkedin: / joeyblue
SQLTrainingOnline: http://www.sqltrainingonline.com
Смотрите видео Delete Duplicates in SQL - SQL Training Online - Quick Tips Ep43 онлайн без регистрации, длительностью часов минут секунд в хорошем качестве. Это видео добавил пользователь Joey Blue 09 Ноябрь 2012, не забудьте поделиться им ссылкой с друзьями и знакомыми, на нашем сайте его посмотрели 51,720 раз и оно понравилось 664 людям.