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📜  pl sql 约束用户函数 - SQL 代码示例

📅  最后修改于: 2022-03-11 15:04:58.159000             🧑  作者: Mango

代码示例1
ALTER TABLE tbl_AccountAuthentications ADD (fnCheck NUMBER GENERATED ALWAYS AS (fnCheckValid(accountid_fk)) VIRTUAL);


ALTER TABLE tbl_AccountAuthentications
ADD CONSTRAINT chkCheckvalid CHECK(fnCheck <= 1);