Database Redesign MCQ Questions and Answers

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In this section we provide lots of objective question of Database Redesign in Database Management System.

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1) Which of the following SQL statements are helpful in database redesign?

2) Database redesign is not terribly difficult if the:

3) Which SQL-92 standard SQL command can be used to change a table name?

4) The process of reading a database schema and producing a data model from that schema is known as:

5) Before any changes to database structure are attempted one should first:

6) Which of the following modifications may not succeed?

7) How can you find rows that do not match some specified condition?

8) A regular subquery can be processed:

9) The EXISTS keyword will be true if:

10) Changing cardinalities in a database is: