# `OUTER JOIN`
__*OUTER JOIN*__
+ Left and right outer join:
```
tidb> SELECT a.name, c.name FROM test.a a ~!@LEFT JOIN@!~ test.c c ON a.id=c.id;
+------+------+
| name | name |
+------+------+
| AA   | CA   |
| AB   | CB   |
| AC   | ~!@NULL@!~ |
+------+------+

tidb> SELECT a.name, c.name FROM test.a a ~!@RIGHT JOIN@!~ test.c c ON a.id=c.id;
+------+------+
| name | name |
+------+------+
| AA   | CA   |
| AB   | CB   |
| ~!@NULL@!~ | CC   |
+------+------+
```

------------------------------------------------------------