PHP 码农的专栏

create table test ( name varchar(20) ) select name from test where name like 'aa%'; select name from test where name like 'aa%' and name 在geohash中用于查找。

SELECT user_static_db.birthday,user_static_db.gender,user_static_db.create_time ,user_volatile_db.* from user_static_db left join user_volatile_db on user_volatile_db.uid = user_static_db.uid where

下面是一个sql语句: SELECT COUNT( mid ) AS current_comment_num, user_volatile_db.user_name, user_volatile_db.head_URL, status_db . * FROM user_volatile_db, status_db, status_comment_message_db WHERE user_vo