V_SQL4 := 'UPDATE EMP_TABLE m
Set m.name = mft.name,
m.age = mft.age,
m.dept = mft.dept,
Where m.id = mft.id and
(m.name != mft.name Or
m.age != mft.age Or
m.dept != mft.dept )';
DBMS_OUTPUT.PUT_LINE(V_SQL4);
EXECUTE IMMEDIATE V_SQL4;
EMP_TMP
在语句中如何以及在何处声明临时表mft
?