Which of the following is true about the file which is refere... | Questions and Answer on competitive exams like GATE exam, entrance tests, fun games, and much more

Which of the following is true about the file which is referenced in a DELETE statement

It must be opened in INPUT mode
It must be opened in OUTPUT mode
It must be opened in I-O mode
As in the case of SORT statement, the file must be closed before the use of this statement