When you use ? placeholders Sybase goes and creates a temporary stored procedure that corresponds to your SQL statement. You then pass variables to $sth->execute or $dbh->do, which get inserted in the query, and any rows are returned.

So ... Sybase is obviously very different from the usual SQL standard ...

In reply to Re^4: fetchall_arrayref hangs with placeholders query with no results by Anonymous Monk
in thread fetchall_arrayref hangs with placeholders query with no results by TieUpYourCamel

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