Delete Duplicates in SQL - SQL Training Online - Quick Tips Ep43

Joey Blue
Joey Blue
50.7 هزار بار بازدید - 12 سال پیش - Delete Duplicates in SQL Server
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 www.sqltrainingonline.com/how-to-remove-duplicate-…. If you enjoy the video, please give it a like, comment, or subscribe to my channel. READ THE ORIGINAL ARTICLE WITH SQL SCRIPTS HERE www.sqltrainingonline.com/how-to-remove-duplicate-… YOUTUBE NEWS UPDATES youtube.com/user/sqltrainingonline VISIT SQLTRAININGONLINE.COM FOR MORE VIDEO NEWS & TIPS www.sqltrainingonline.com/ SUBSCRIBE FOR OTHER SQL TIPS AND NEWS! youtube.com/subscription_center?add_user=sqltraini… SUBSCRIBE TO OUR EMAIL LIST! www.sqltrainingonline.com/ LET'S CONNECT! Facebook: facebook.com/SQLTrainingOnline Twitter: twitter.com/sql_by_joey Linkedin: linkedin.com/in/joeyblue SQLTrainingOnline: www.sqltrainingonline.com/
12 سال پیش در تاریخ 1391/08/19 منتشر شده است.
50,796 بـار بازدید شده
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