数据插入
===
## 知识点
`insert into [tablename] (field,...) values (value,...)`
### SQL 部分
```
> insert into posts (title,context) values ('','');
> insert into posts (title,content) values (NULL,'');
> select * from posts;
```
```
dollarkiller=# insert into posts (title,context) values ('page one','he he he he he he he');
INSERT 0 1
dollarkiller=# select * from posts;
id | title | context | is_draft | is_del | created_data
----+----------+----------------------+----------+--------+----------------------------
2 | page one | he he he he he he he | t | f | 2019-07-03 03:40:29.184139
(1 row)
```
