How do I check whether the table has a record with a primary key values?

Posted by KIM on Stack Overflow See other posts from Stack Overflow or by KIM
Published on 2010-06-02T03:28:13Z Indexed on 2010/06/02 3:33 UTC
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Oracle

I have a exception to prevent inserting same records on my oracle.

I've haerd that COUNT(*) has lots of cost which I don't want to use.

Is there any alternative way to make it at least cost?

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How do I check whether the table has a record with a primary key values? - Developer IT

How do I check whether the table has a record with a primary key values?

Oracle

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