wujunlongsy4的专栏

案例1 ： DROP PROCEDURE IF EXISTS saveOrUpdate_Adminmenuitems;  DELIMITER  // CREATE PROCEDURE saveOrUpdate_Adminmenuitems() begin  SELECT count(`itemid`) FROM adminmenuitems where itemname='tes

1 查看数据库的编码：SHOW VARIABLES LIKE 'character_set_%'; 2 修改shu