Be Very Careful of Using Truncate in Source Database when Using Fast Mode MV

[ligang]

Issue the Truncate table command , Nothing is recorded in
MLOG$_xxx ,
DBMS_MVIEW.REFRESH(V_Mirror.Table_Name, 'F');
Will not work .

So in this case ,
DBMS_MVIEW.REFRESH(V_Mirror.Table_Name, 'C') must be used .