MySQL 将 DATE 字符串与来自 DATETIME 字段的字符串进行比较
SELECT * FROM shop_count WHERE DATE(count_date)=current_date();
SELECT * FROM shop_count WHERE DATE_FORMAT(count_date, '%Y-%m-%d')=current_date();
SELECT * FROM shop_count WHERE DATE(count_date)=current_date();
SELECT * FROM shop_count WHERE DATE_FORMAT(count_date, '%Y-%m-%d')=current_date();
truncate table 表名...
DATE_ADD(now(),INTERVAL 1 DAY);...
SELECT * FROM **** WHERE trim(字段名) REGEXP '[^0-9]'=1...
select count(id),字段from 表名 group by字段 having count(字段)>1;...
update 表名 SET log_Content = REPLACE(log_Content,'"upload','"/upload')...
SELECT product_brand FROM shop_product WHERE LENGTH(product_brand)>...