Specification of the primary key of the employee table as a column-level constraint
1> -- Specification of the primary key of the employee table as a column-level constraint.
2> CREATE TABLE employee
3> (emp_no INTEGER NOT NULL CONSTRAINT prim_empl PRIMARY KEY,
4> emp_fname CHAR(20) NOT NULL,
5> emp_lname CHAR(20) NOT NULL,
6> dept_no CHAR(4) NULL)
7> GO
1> drop table employee
2> GO
1>