FUNDAMENTALS OF COMPUTER

DATABASE FUNDAMENTALS

WHAT IS DATABASE MANAGEMENT

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A(n) ____ represent data as two-dimensional tables.
A
non-relational DBMS
B
mobile DBMS
C
relational DBMS
D
hierarchical DBMS
Explanation: 

Detailed explanation-1: -A relational database represents data as two-dimensional tables with records organized in rows and attributes in columns. A relational database is a set of formally described tables from which data can be accessed or reassembled in many different ways without having to reorganize the database tables.

Detailed explanation-2: -Relational databases store data in a two-dimensional format where tables of data are presented in rows and columns. The following table shows a typical relational database (sales volumes for a printing company).

Detailed explanation-3: -2D data types exist in a two-dimensional coordinate space represented by X (longitude) and Y (latitude) coordinates.

Detailed explanation-4: -The relational database model stores data in (a) two-dimensional tables and uses (b) entity-relationship diagrams to describe the relationships among data. Managers see information as a critical resource and require systems that let them exploit it for competitive advantage.

Detailed explanation-5: -Introduction. The relational model in DBMS is an abstract model used to organize and manage the data stored in a database. It stores data in two-dimensional inter-related tables, also known as relations in which each row represents an entity and each column represents the properties of the entity.

There is 1 question to complete.