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📜  oracle alter table add column not null - SQL 代码示例

📅  最后修改于: 2022-03-11 15:05:19.281000             🧑  作者: Mango

代码示例1
-- ALTER TABLE  ADD    ;
ALTER TABLE members ADD age NUMBER;
ALTER TABLE members ADD birth_date DATE NOT NULL;
ALTER TABLE members ADD registering DATE DEFAULT sysdate;
ALTER TABLE members ADD member_id NUMBER UNIQUE;