Tell me what is a CHECK constraint?
Submitted by: MuhammadA CHECK constraint is used to limit the value that is accepted by one or more columns.
E.g. ‘Age' field should contain only the value greater than 18.
CREATE TABLE EMP_DETAILS(EmpID int NOT NULL, NAME VARCHAR (30) NOT NULL, Age INT CHECK (AGE > 18), PRIMARY KEY (EmpID));
Submitted by: Muhammad
E.g. ‘Age' field should contain only the value greater than 18.
CREATE TABLE EMP_DETAILS(EmpID int NOT NULL, NAME VARCHAR (30) NOT NULL, Age INT CHECK (AGE > 18), PRIMARY KEY (EmpID));
Submitted by: Muhammad
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