hi dinesh,
In that update query, while execute set c1 = c2 the c1 column values will be changed, then in that next statement c2 = c1 how it ill work? so c1 column is called as "clobber". i thing so.... if it is wrong please any one clear out my doubt.......
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Manik
Go fast as possible
Manik
You cannot get to the top by sitting on your bottom.