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

























Discussion

sumanth

Hai, Anju.

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

4288 days 16 hours 24 minutes ago

jagadeesh

it's a nice test ..useful

4293 days 14 hours 11 minutes ago

C.S. PASRICHA

Good
I would like that you teach me about the test as per your convenience.
Regards
CS P

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

Jothi

Really nice

4300 days 11 hours 59 minutes ago

nitin

its DBMS related test. nice test. 8 corret

4300 days 19 hours 3 minutes ago

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