Home / Relational Model – 1 – 1

Relational Model – 1 – 1

1. A relational database is :

(a) the same as a flat file database.
(b) one that consists of two or more tables.
(c) one that consists of two or more tables that are joined in some way.
(d) a database that is able to process tables, queries, forms, reports and macros.

Answer
Answer : (c)

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

2. The ER model is meant to :

(a) replace relational design.
(b) enable low level descriptions of data.
(c) be close to a users perception of the data.
(d) enable detailed descriptions of data query processing.

Answer
Answer : (c)

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

3. A Foreign Key is :

(a) A field in a table that matches a key field in another table.
(b) A field in a table that has the same name as a key field in another table.
(c) A field in a table that contains data that is also contained elsewhere in another table.
(d) None of these

Answer
Answer : (a)

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

4. The full form of DDL is :

(a) Dynamic Data Language
(b) Detailed Data Language
(c) Data Definition Language
(d) Data Derivation Language

Answer
Answer : (c)

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

5. DML is provided for :

(a) Description of logical structure of database.
(b) Addition of new structures in the database system.
(c) Manipulation & processing of database.
(d) Definition of physical structure of database system. 

Answer
Answer : (c)

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

1 2

 

General Knowledge Books

Be a Part of the New & Next

MCQs fb  MCQs G+

Share the Knowledge

MORE INFORMATION
GATE Total InfoGATE 2019 BooksFree Notes
IES Total InfoIES 2019 BooksFree Mock tests
JAM Total InfoJAM 2019 BooksEngg Diploma
PSUs Total InfoM Tech Total InfoUGC NET Total Info
Copy Protected by Chetan's WP-Copyprotect.