DELIMITER // DROP PROCEDURE IF EXISTS uppercase // CREATE PROCEDURE uppercase(IN dbname VARCHAR(200)) BEGIN DECLARE done INT DEFAULT 0; DECLARE oldname VARCHAR(200); DECLARE cur CURSOR FOR SELECT table_name FROM information_schema.TABLES WHERE table_schema = dbname; DECLARE CONTINUE HANDLER FOR NOT FOUND SET done = 1; OPEN cur; REPEAT FETCH cur INTO oldname; SET @newname = UPPER(oldname); #IF newname equals to oldname, do nothing; #select ‘a‘ <> ‘A‘; -> 0 #select ‘a‘ <> BINARY ‘A‘; -> 1 SET @isNotSame = @newname <> BINARY oldname; IF NOT done && @isNotSame THEN SET @SQL = CONCAT(‘rename table ‘,oldname,‘ to ‘,@newname); PREPARE tmpstmt FROM @SQL; EXECUTE tmpstmt; DEALLOCATE PREPARE tmpstmt; END IF; UNTIL done END REPEAT; CLOSE cur; END // DELIMITER ; #调用存储过程 call uppercase(‘TEST‘); #TEST为你想要修改的数据库的名称原文：https://www.cnblogs.com/qianzf/p/12292269.html