Thread: != or <>
I know this has been posted, put I cant find it with the search feature of the web site of Postgresql.org. Which is the best approach to put in a check constraint col <> something col != something ? Saludos... :-) -- El mejor sistema operativo es aquel que te da de comer. Cuida tu dieta. ----------------------------------------------------------------- Martin Marques | mmarques@unl.edu.ar Programador, Administrador | Centro de Telematica Universidad Nacional del Litoral -----------------------------------------------------------------
=?iso-8859-1?q?Mart=EDn=20Marqu=E9s?= <martin@bugs.unl.edu.ar> writes: > Which is the best approach to put in a check constraint > col <> something > col != something > ? There's really no difference ... although <> is the SQL-standard-approved spelling, if that matters to you. regards, tom lane
Martín Marqués writes: > Which is the best approach to put in a check constraint > col <> something > col != something <> is SQL, != is, er, AT&T? -- Peter Eisentraut peter_e@gmx.net http://funkturm.homeip.net/~peter
Peter Eisentraut wrote: > Martín Marqués writes: > > > Which is the best approach to put in a check constraint > > col <> something > > col != something > > <> is SQL, != is, er, AT&T? IIRC, AT&T is a modem test command. Do modems recognize != too? Jan -- #======================================================================# # It's easier to get forgiveness for being wrong than for being right. # # Let's break this rule - forgive me. # #================================================== JanWieck@Yahoo.com # _________________________________________________________ Do You Yahoo!? Get your free @yahoo.com address at http://mail.yahoo.com