2000;
Loop
Fatch vRefCurA InTo vTempA;
Exit When vRefCurA%NotFound;
DBMS_OUTPUT.PUT_LINE(vRefCurA%RowCount||' '|| vTempA.eno||' '||vTempA.ename ||' '||vTempA.sal)
End Loop;
Close vRefCurA;
DBMS_OUTPUT.PUT_LINE('-------------------------------------------------------------------------------------------------------');
Open vRefCurB For Select ename from emp Where SAL > 2000;
Loop
Fatch vRefCurB InTo vTempB;
Exit When vRefCurB%NotFound;
DBMS_OUTPUT.PUT_LINE(vRefCurB%RowCount||' '||vTempB)
End Loop;
Close vRefCurB;
DBMS_OUTPUT.PUT_LINE('-------------------------------------------------------------------------------------------------------');
Open vRefCurA For Select * from emp Where JOB = 'CLERK';
Loop
Fatch vRefCurA InTo vTempA;
Exit When vRefCurA%NotFound;
DBMS_OUTPUT.PUT_LINE(vRefCurA%RowCount||' '|| vTempA.eno||' '||vTempA.ename ||' '||vTempA.sal)
End Loop;
Close vRefCurA;
End;
例子:弱类型REF游标
/*conn scott/tiger*/
Declare
Type MyRefCur IS Ref Cursor;
vRefCur MyRefCur;
vtemp vRefCur%RowType;
Begin
Case(&n)
When 1 Then Open vRefCur For Select * from emp;
When 2 Then Open vRefCur For Select * from dept;
Else
Open vRefCur For Select eno, ename from emp Where JOB = 'CLERK';
End Case;
Close vRefCur;
End;
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