Can you tell me how to add new column in existing views?how?How is possible?
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There are three tables : E : EID,ENAME D : DID,DNAME empdept : eid, did select the employees who doesn't belong to any dep
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Create table Employee ( Employee_Id varchar2(8) Constraint emp_id_pk primary key, FirstName varchar2(50), LastName varchar2(50), DeptID Number(5) Constraint dept_id_fk Foreign Key(DeptId) References Department(DeptId) ) Error I am getting: Constraint specification are not allowed here
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