统计mysql字段值的长度
SELECT product_brand FROM shop_product WHERE LENGTH(product_brand)>3;
SELECT product_brand FROM shop_product WHERE LENGTH(product_brand)>3;
truncate table 表名...
update 表名 SET log_Content = REPLACE(log_Content,'"upload','"/upload')...
mysql -h ***.***.***.*** -P 3306 -u root -pmysqldump -h ***.***.***.*** -P 3...
select count(id),字段from 表名 group by字段 having count(字段)>1;...
SELECT CURDATE()当天日期...
mysql> select CONCAT('My', 'S', 'QL');...