【SQL報錯】存儲過程和函數中的定義變量報錯、條件、光標

定義變量報錯 BEGIN DECLARE test_sql int; set test_sql = 30; end; 報錯： 1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use

>>阅读原文<<