phpMyAdmin的事务支持：回滚操作步骤

START TRANSACTION;

START TRANSACTION;

UPDATE wp_posts 
SET post_content = REPLACE(post_content, '旧内容1', '新内容1');

UPDATE wp_posts 
SET post_content = REPLACE(post_content, '旧内容2', '新内容2');

UPDATE wp_posts 
SET post_content = REPLACE(post_content, '旧内容3', '新内容3');

-- 验证替换是否成功
SELECT COUNT(*) as 替换数量 
FROM wp_posts 
WHERE post_content LIKE '%新内容%';

COMMIT;  -- 永久保存所有修改

ROLLBACK; -- 撤销所有修改，回到原始状态