mysql select定义变量,Mysql:在select中设置一个变量-CSDN博客

网站介绍:SELECT aliases.username AS phone_number,subscriber.username AS user_nameFROM aliases, subscriberWHERE aliases.contact REGEXP CONCAT('^sip:', subscriber.user_name, '[.*]')请注意,以下查询将更有效:SELECT ali..._mysql select 变量