mysql的自动补齐
设置my.cnf : auto-rehash
mysql>use mysql; #这是关键
SELECT * FROM **** WHERE trim(字段名) REGEXP '[^0-9]'=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 system_user LIMIT 60,20limit是设置分页的关键他可以控制数据输出偏移SELECT column_name,column_name FR...
update 表名 SET log_Content = REPLACE(log_Content,'"upload','"/upload')...
DELETE t1 FROM invest_year t1, invest_year t2 WHERE t1.pro_id = t2.pro_id AND t1.pro_year = t...
SELECT CURDATE()当天日期...