1. The REPAIR online utility repairs data.REPAIR is intended as a means of replacing invalid data with valid data.
2. Table A fields(Employee) - empid,empsal,position
Table B fields(Details) - empid , branch
Query - SELECT A.EMPSAL,A.POSITION.B.BRANCH FROM EMPLOYEE A,DETAIL B WHERE A.EMPID = B.EMPID;
3. Job Scheduler - OPC
4. A subprogram is either a procedure or a function.
A procedure specifies a sequence of actions and is invoked by a procedure call statement.A function specifies a sequence of actions and also returns a value called the result, and so a function call is an expression.