Optimizing query

 
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Special Forums UNIX and Linux Applications Optimizing query
# 15  
Old 08-23-2007
Quote:
Originally Posted by matrixmadhan
Will do that and post the results positively by end of tomorrow ! Smilie
Perhaps we should use FedEx -"Absolutely Positively Overnight" Smilie
Just kidding. Seriously, I am curious to know the results.
# 16  
Old 09-04-2007
Quote:
Originally Posted by kahuna
Perhaps we should use FedEx -"Absolutely Positively Overnight" Smilie
Just kidding. Seriously, I am curious to know the results.
My apologies for being so late in responding ( I know this is not acceptable )

I have come up with another solution,

Here is the one,

Code:
delete from sample_table a where exists ( select 1 from sample_table b where a.col1=b.col1 and b.rowid != a.rowid)

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