Multiple choice

Which of the following is/are true statement(s)?

  1. Indexes are used to retrieve the rows of the database table quickly.

  2. Indexes are not useful for the tables having less data.

  3. The check constraints in SQL defines the business rules that should be follow by all the rows of the database.

  4. Both (1) and (3) are true.

  5. All (1), (2) and (3) are true.
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Yes, all the three statements are true.

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