Pipelined Table Functions:- [ORACLE] =========================== If you want to return multiple rows to the calling environment, then piplined table functions is prefred. It will increase the dbperformance as well. Ex:- Step 1: ----------- CREATE TABLE EMP(EMPNO INT,ENAME VARCHAR2(10),SAL INT); Step 2: ----------- Insert sample data. Step 3: ----------- Create an object for the row type casting. CREATE OR REPLACE TYPE emp_row AS OBJECT ( empno INT, ename VARCHAR2(20), SAL INT ); Step 4: ----------- Create a Return Type for the pipelined function. CREATE OR REPLACE TYPE emp_table_type AS TABLE OF emp_row; Step 5: ----------- CREATE OR REPLACE FUNCTION emp_pipe_function RETURN emp_table_type PIPELINED IS BEGIN FOR rec in (select * from emp) LOOP PIPE ROW (emp_row(rec.empno,rec.ename,rec.sal)); END LOOP; RETURN; END; Step 6: ---------- SQL> select * from table(emp_pipe_function); EMPNO ENAME SAL ---------- ----...