改变表中添加列not null oracle

代码示例

oracle改变表中添加列没空

-- ALTER TABLE <table> ADD <column> <type>  <constraint>;
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;

oracle改变表中添加"not null"约束

ALTER TABLE table_name MODIFY ( column_name NOT NULL);
Code language: SQL (Structured Query Language) (sql)

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带有示例的类似页面

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改变表中添加列not null oracle

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empty row

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