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PostgreSQL primary key 추가 삭제
hojin880214
2021. 4. 7. 09:20
ALTER TABLE [TABLE명] DROP PRIMARY KEY;
ALTER TABLE [TABLE명] ADD CONSTRAINT [PK명] PRIMARY KEY ([KEY1],[KEY2],[...]); -- PK를 생성한다.
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Oracle / PLSQL: Primary Keys
Oracle / PLSQL: Primary Keys This Oracle tutorial explains how to create, drop, disable, and enable a primary key in Oracle with syntax and examples. What is a primary key in Oracle? In Oracle, a primary key is a single field or combination of fields that
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