(1)where 后面有一个条件:
SELECT * FROM LIST WHERE sendper="张三";
2.where后面有两个条件:
SELECT * FROM LIST WHERE sendper="222" AND receiveper="所有人";
(1)where 后面有一个条件:
SELECT * FROM LIST WHERE sendper="张三";
2.where后面有两个条件:
SELECT * FROM LIST WHERE sendper="222" AND receiveper="所有人";