标签: mysql
我可以写table1 AS t1吗?
table1 AS t1
table1 t1
那么,是JOIN table1 t1 on table2.userid = t1.userid吗?
JOIN table1 t1 on table2.userid = t1.userid
由于
答案 0 :(得分:1)
是。你可以自己看一下。
http://dev.mysql.com/doc/refman/5.7/en/select.html
tbl_name [[AS]别名] [index_hint]