CREATE PROCEDURE  proc_variable ()

BEGIN

DECLARE dec_var_ VARCHAR(100);

DECLARE rep_num INT;

DECLARE dec_var CURSOR  for SELECT ID_  FROM ACT_RU_VARIABLE WHERE NAME_ = ‘yjdqsj‘ GROUP BY EXECUTION_ID_ HAVING COUNT(NAME_) >1;

OPEN dec_var;

REPEAT

FETCH dec_var INTO dec_var_;

DELETE FROM ACT_RU_VARIABLE WHERE ID_ = dec_var_;

UNTIL rep_num END REPEAT;

CLOSE dec_var;

end;

mysql(root@localhost:jjsworkflow)>delimiter //    #修改命令终止符为//（random）

mysql(root@localhost:jjsworkflow)>CREATE PROCEDURE proc_variable ()

-> BEGIN

-> DECLARE dec_var_ VARCHAR(100);

-> DECLARE rep_num INT;

-> DECLARE dec_var CURSOR for SELECT ID_ FROM ACT_RU_VARIABLE WHERE NAME_ = ‘yjdqsj‘ GROUP BY EXECUTION_ID_ HAVING COUNT(NAME_) >1;

-> OPEN dec_var;

-> REPEAT

-> FETCH dec_var INTO dec_var_;

-> DELETE FROM ACT_RU_VARIABLE WHERE ID_ = dec_var_;

-> UNTIL rep_num END REPEAT;

-> CLOSE dec_var;

-> end;

-> //    ##语句最后需要已上面声明的//结尾enter才能被执行

Mysql 命令行下建立存储过程