时间：2022-01-30 11:22:16 | 栏目：Mysql | 点击：次
drop PROCEDURE if exists my_procedure; create PROCEDURE my_procedure() BEGIN declare my_sqll varchar(500); set my_sqll='select * from aa_list'; set @ms=my_sqll; PREPARE s1 from @ms; EXECUTE s1; deallocate prepare s1; end;