Page 16 - DCAP402_DCAO204_DATABASE MANAGEMENT SYSTEM_MANAGING DATABASE

Unit 1: Database Fundamentals

 Database need not be used always. There are occasions where you manage your data with Notes
out a database.

1.8 Keywords

Data Abstraction: A database management system is a collection of interrelated files and a set
of programs that allow users to access and modify these files. A major purpose of a database
system is to provide users with an abstract view of the data. This is called data abstraction.

Data processing: The process of converting the facts into meaningful information is known as
data processing. Data processing is also known as information processing.
Data: Data is the raw material from which useful information is derived.

Database: A shared collection of logically related data along with the description of the data that
suits to the needs of large enterprises.
Metadata: Data that describe the properties or characteristics of other data.

1.9 Self Assessment

Choose the appropriate answer:
1. DBMS stands for:
(a) Database Managerial System

(b) Database Management System
(c) Database Management Source
(d) Development Management System
2. Data processing is also known as
(a) Data programming

(b) Data access
(c) Information processing
(d) Database sourcing

3. DDL stands for
(a) Data Development Language
(b) Data Document Language
(c) Document Definition Language
(d) Data Definition Language

Fill in the blanks:
4. ................................... provides fast access to data items that hold particular values.
5. Data is commonly used in both singular and ................................... forms.

6. The term data and ................................... are closely related.
7. The primary mechanism for providing context for data is ...................................

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