Database - Database Redesign

Why Database Database Redesign?

In this section you can learn and practice Database Questions based on "Database Redesign" and improve your skills in order to face the interview, competitive examination and various entrance test (CAT, GATE, GRE, MAT, Bank Exam, Railway Exam etc.) with full confidence.

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IndiaBIX provides you lots of fully solved Database (Database Redesign) questions and answers with Explanation. Solved examples with detailed answer description, explanation are given and it would be easy to understand. All students, freshers can download Database Database Redesign quiz questions with answers as PDF files and eBooks.

Where can I get Database Database Redesign Interview Questions and Answers (objective type, multiple choice)?

Here you can find objective type Database Database Redesign questions and answers for interview and entrance examination. Multiple choice and true or false type questions are also provided.

How to solve Database Database Redesign problems?

You can easily solve all kind of Database questions based on Database Redesign by practicing the objective type exercises given below, also get shortcut methods to solve Database Database Redesign problems.

Exercise :: Database Redesign - General Questions

1. 

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

A. Correlated subqueries only
B. EXISTS/NOT EXISTS expressions only
C. Both of the above are helpful
D. None of the above are helpful.

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

2. 

What SQL command can be used to delete columns from a table?

A. MODIFY TABLE TableName DROP COLUMN ColumnName
B. MODIFY TABLE TableName DROP ColumnName
C. ALTER TABLE TableName DROP COLUMN ColumnName
D. ALTER TABLE TableName DROP ColumnName

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

3. 

Database redesign is not terribly difficult if the:

A. database is structured.
B. database is well-designed.
C. database has no data.
D. database is relatively small.

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

4. 

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

A. RENAME TABLE
B. CHANGE TABLE
C. ALTER TABLE
D. None of the above is correct.

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

5. 

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

A. data modeling.
B. database design.
C. reverse engineering.
D. None of the above is correct.

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.