mysql的自动补齐
设置my.cnf : auto-rehash
mysql>use mysql; #这是关键
truncate table 表名...
mysql> select CONCAT('My', 'S', 'QL');...
减去一天SELECT DATE_SUB(CURDATE(), INTERVAL 1 DAY);减去一个小时hour(now())-1...
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 * FROM shop_count WHERE DATE(count_date)=current_date(); SELECT * FROM sho...
SELECT CURDATE()当天日期...