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unknown table in multi delete

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When i try to delete rows in a table by checking the values in an other table, then i receive this error:-

"unknown table 'userid' in multi delete"

Here's the query
UserMain.UserId,UserMain.Username from UserMain,UserMisc where UserMain.UserId = UserMisc.UserId and timestampdiff(day,UserMisc.LoginDate,current_times tamp)>30;

cant understand as to whats wrong with this.
any help would be appreciated.
Apr 24 '07 #1
1 6286
code green
1,726 Expert 1GB
Need to see the full query
Apr 24 '07 #2

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