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Re: simple MySQL prob

by screamingeagle (Curate)
on Mar 03, 2002 at 21:44 UTC ( #149020=note: print w/ replies, xml ) Need Help??

in reply to simple MySQL prob

u can do this to check if a value exists :
fire an SQL query before the the INSERT statement to check whether the value exists :

select count(*) VALEXISTS from tablename where fld = 'fldvalue'
if the value does not exist, the VALEXISTS column will be 0. depending on this value, u can decide whether to fire the INSERT statement or not

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