Re: Checking for Dupes in MySQL

in reply to Checking for Dupes in MySQL

Standard SQL (dunno whether mysql supports it): add a UNIQUE modifier in the CREATE TABLE statement at the e-mail column. Afterwards, your dbase won't allow duplicate e-mail addresses.

Be sure to add decent error-checking to inform your prospective users why their entry was not allowed.

Jeroen
"We are not alone"(FZ)

Comment on Re: Checking for Dupes in MySQL

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Re: Re: Checking for Dupes in MySQL by belg4mit (Prior) on Nov 30, 2001 at 02:24 UTC
MySQL is SQL92 compliant. `-- perl -p -e "s/(?:\w);([st])/'\$1/mg"`	[reply]

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