mysql的自动补齐
设置my.cnf : auto-rehash
mysql>use mysql; #这是关键
SELECT product_brand FROM shop_product WHERE LENGTH(product_brand)>...
1.date型转换成int型 UNIX_TIMESTAMP('2007-10-04 22:23:00') 2.int型转换成date型 FROM_UNIXTIME(97599...
SELECT CURDATE()当天日期...
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;...
SELECT * FROM shop_count WHERE DATE(count_date)=current_date(); SELECT * FROM sho...