摘要: -- 备份表:表结构、表数据、表分区 -- CREATE TABLE my_tables_backup LIKE my_tables; -- INSERT INTO my_tables_backup SELECT * FROM my_tables; -- SELECT COUNT(*) FROM ` 阅读全文
posted @ 2025-08-13 20:09 Hello_worlds 阅读(3) 评论(0) 推荐(0)