How To Remove Duplicates In Sql

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Here s how to delete duplicate rows in sql with syntax and examples 2023

Here s How To Delete Duplicate Rows In SQL With Syntax And Examples 2023

Different ways to SQL delete duplicate rows from a SQL Table Introduction We should follow certain best practices while designing objects in SQL Server For example a table should SQL delete duplicate Rows using Group By and having clause In this method we use the SQL GROUP BY clause to 15. It's probably simple, here is my query: SELECT DISTINCT U.NAME, P.PIC_ID FROM USERS U, PICTURES P, POSTINGS P1 WHERE U.EMAIL_ID = P1.EMAIL_ID AND P1.PIC_ID = P.PIC_ID AND P.CAPTION LIKE '%car%'; but this will only remove duplicates where a row has both the same u.name and p.pic_id.

Excel query table 1 has duplicates mevaplace

Excel Query Table 1 Has Duplicates Mevaplace

How To Remove Duplicates In Sql4 Answers. Sorted by: 26. Use DISTINCT: SELECT DISTINCT name, surname FROM yourtable WHERE name LIKE '%j%' OR surname LIKE '%j%' Share. Follow. answered May 18, 2012 at 21:18. Mark Byers. 814k 194 1584 1452. Add a comment. 7. Try: SELECT DISTINCT name, surname FROM table WHERE name LIKE '%j%' OR surname LIKE '%j%' Method 1 Run the following script SQL SELECT DISTINCT INTO duplicate table FROM original table GROUP BY key value HAVING COUNT key value 1 DELETE original table WHERE key value IN SELECT key value FROM duplicate table INSERT original table SELECT FROM duplicate table DROP