Здравствуйте. Чем отличается в MySQL "OR" от "||" ?
baev ‹°°¬• Команда форума 31 Май 2011 #4 http://dev.mysql.com/doc/refman/5.1/en/operator-precedence.html: The meaning of some operators depends on the SQL mode: By default, || is a logical OR operator. With PIPES_AS_CONCAT enabled, || is string concatenation, with a precedence between ^ and the unary operators. Нажмите для раскрытия...
http://dev.mysql.com/doc/refman/5.1/en/operator-precedence.html: The meaning of some operators depends on the SQL mode: By default, || is a logical OR operator. With PIPES_AS_CONCAT enabled, || is string concatenation, with a precedence between ^ and the unary operators. Нажмите для раскрытия...