A

Admin • 802.91K Points
Coach

Q. To minimize disk I/O, which of these should be chosen?
CHAR, VARCHAR

  • (A) CHAR
  • (B) VARCHAR
  • (C) CHAR & VARCHAR
  • (D) Either CHAR or VARCHAR
  • Correct Answer - Option(B)
  • Views: 4
  • Filed under category MySQL
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Explanation by: Admin
This question is about choosing the right data type in MySQL to reduce how much your database needs to read and write data from your computer's hard drive (disk I/O). This is important because less disk I/O means your database runs faster!

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