1,fetch 显式的open,close
Declare
Cursor cur Is
Select xtwldm From xtm14;
curRow cur%Rowtype;
Begin
Open Cur;
Loop
Fetch cur
Into currow;
Exit When cur%Notfound;
dbms_output.put_line(currow.xtwldm);
End Loop;
Close cur;
End;
2,for
Declare
Cursor cur Is
Select xtwldm From xtm14;
Begin
For currow In cur Loop
dbms_output.put_line(currow.xtwldm);
End Loop;
End;
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