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mysql數據庫名稱怎么變為大寫

九三
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2021-01-13 18:48:53
欄目: 云計算

mysql數據庫名稱怎么變為大寫

mysql中將數據庫名稱修改為大寫的方法

1.首先,在命令提示符窗口中,使用命令“net start mysql”啟動mysql;

2.mysql啟動后,繼續使用命令“mysql -hlocalhost -uroot -p”,進入mysql控制臺;

3.進入mysql控制臺后,在控制臺中執行以下存儲過程;

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);

SET @isNotSame = @newname <> BINARY oldname;

IF NOT done && @isNotSame THEN

SET @SQL = CONCAT('rename table `',oldname,'` to `', LOWER(@newname), '_tmp` ');

PREPARE tmpstmt FROM @SQL;

EXECUTE tmpstmt;

SET @SQL = CONCAT('rename table `',LOWER(@newname),'_tmp` to `',@newname, '`');

PREPARE tmpstmt FROM @SQL;

EXECUTE tmpstmt;

DEALLOCATE PREPARE tmpstmt;

END IF;

UNTIL done END REPEAT;

CLOSE cur;

END

DELIMITER ;

4.最后,存儲過程執行后,調用對應的數據庫名稱即可完成修改;

call uppercase('數據庫名');

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