Delete Duplicates in SQL - SQL Training Online - Quick Tips Ep43 скачать в хорошем качестве

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