ALTER


- ADD COLUMN
```typeALTER TABLE stx_mms.recordedaddsnapvarchar```

- drop column
```typeALTER TABLE stx_mms.recordeddropsnap```


- ADD COLUMN DEFUALT VALUE
```typeALTER TABLE stx_mms.recordedalter makerSETdefault'seonglae'```





- alter 류 들
> [[PostgreSQL] ALTER](https://brownbears.tistory.com/162)

- column data type
> [postgresql 테이블에 칼럼 추가 + 커멘트 달기](https://kugancity.tistory.com/entry/postgresql-%ED%85%8C%EC%9D%B4%EB%B8%94%EC%97%90-%EC%B9%BC%EB%9F%BC-%EC%B6%94%EA%B0%80-%EC%BB%A4%EB%A9%98%ED%8A%B8-%EB%8B%AC%EA%B8%B0)








