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 cause of duplicate entries

Author  Topic 

damdeok
Starting Member

39 Posts
Posted - 2011-07-02 : 17:06:31
just wanna know what's the cause of duplicate entries.

tkizer
Almighty SQL Goddess

38200 Posts
Posted - 2011-07-02 : 19:13:00
It seems you don't have a primary key constraint or a unique constraint to prevent this.

Tara Kizer
Microsoft MVP for Windows Server System - SQL Server
http://weblogs.sqlteam.com/tarad/

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