Which of the following statements are true? A) When you open a file for reading, if the file does not exist, an error occurs. B) When you open a file for writing, if the file does not exist, a new file is created. C) When you open a file for reading, if the file does not exist, the program will open an empty file. D) When you open a file for writing, if the file exists, the existing file is overwritten with the new file. E) When you open a file for writing, if the file does not exist, an error occurs. ======================================================================================= A, B, and D only A, and E B, and D only A and B only

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Which of the following statements are true?

A) When you open a file for reading, if the file does not exist, an error occurs.

B) When you open a file for writing, if the file does not exist, a new file is created.

C) When you open a file for reading, if the file does not exist, the program will open an empty file.

D) When you open a file for writing, if the file exists, the existing file is overwritten with the new file.

E) When you open a file for writing, if the file does not exist, an error occurs.

=======================================================================================
  1. A, B, and D only
  2. A, and E
  3. B, and D only
  4. A and B only
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