Test to test your technical skills

The relational database model was created by ________ in ______ and is founded on set theory and logic

There are three options available when a referenced primary key value changes or a row is deleted, they are:

1. Disallow

2. Cascade

3. Delete

4. Nullify

5. Update

A row may not be added to a table with a foreign key unless the referenced value exists in the referenced table.

Every higher normal form is a superset of all lower forms.

Which of the following is true :A relation is a special type of table that has the following attributes:

1. They describe one entity.

2. They have no duplicate rows; hence there is always a primary key.

3. The columns are unordered.

4. The rows are unordered.

A foreign key is:

All columns (or combination of columns) in a table with unique values are referred to as:

A Primary key is:

Which of the following is true about the benefits of a database :

1. Data entry, updates and deletions will be efficient.

2. Data retrieval, summarization and reporting will be efficient.

3. Since the database follows a well-formulated model, it behaves unpredictably.

4. Changes to the database schema are easy to make.

When designing a database, we must decide



Hai, Anju.

Nice Test Dear, Upload More Tests If Possible.
Thank U.

4288 days 16 hours 24 minutes ago


it's a nice test ..useful

4293 days 14 hours 11 minutes ago


I would like that you teach me about the test as per your convenience.

4297 days 17 hours 41 minutes ago

anju joshi

dear frnds.....thank you very much for takin da test...if u lik it let me know i ll keep publishin...:)

4297 days 18 hours 42 minutes ago


Really nice

4300 days 11 hours 59 minutes ago


its DBMS related test. nice test. 8 corret

4300 days 19 hours 3 minutes ago

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