This will find and delete all duplicate rows. You can refine the granularity of uniqueness by including more columns than just the Primary Key. If you are picky about which rows you want to delete, don't use this. Instead use the 'Find Duplicates' script I just submitted and then delete manually.
2002-05-24
1,096 reads
Find duplicates in any table, and report the number of duplicates. Enter in the table name, and the field or fieldsfor which there should only be one row for each of that field, but you suspect are more. For example, if an employee table has more than one record for an employeethis will find any […]
2002-05-24
593 reads
This script generates a statement that you would then run in the user database to get rowcounts of all tables. The advantages of this approach are you can modify it to get just the tables you want, and the output is easy to read:Table1-------1069Table2------10427
2002-05-24
426 reads
By Steve Jones
We aren’t the only company that does this, but Redgate Software does try to...
By James Serra
Microsoft Fabric makes it wonderfully easy to put many analytics workloads on one platform....
By Steve Jones
I recently started playing with the MCP Server for SQL Server, which is a...
Security has long been a problem for me. Every time I think I understand...
Comments posted to this topic are about the item BIT_COUNT() V
Comments posted to this topic are about the item How We Reduced SQL Server...
What does this return on SQL Server 2025?
select bit_count(null)See possible answers