MYSQL当天日期
SELECT CURDATE()
当天日期
select count(id),字段from 表名 group by字段 having count(字段)>1;...
DELETE t1 FROM invest_year t1, invest_year t2 WHERE t1.pro_id = t2.pro_id AND t1.pro_year = t...
SELECT product_brand FROM shop_product WHERE LENGTH(product_brand)>...
SELECT * FROM **** WHERE trim(字段名) REGEXP '[^0-9]'=1...
mysql -h ***.***.***.*** -P 3306 -u root -pmysqldump -h ***.***.***.*** -P 3...
update 表名 SET log_Content = REPLACE(log_Content,'"upload','"/upload')...