A database is an organized collection of data that helps in storing, managing, and retrieving information efficiently. In today’s digital world, databases are used in schools, banks, hospitals, and businesses to handle large amounts of data quickly and accurately. This chapter introduces the basic concepts and important terminology of databases, which are essential for understanding Database Management Systems (DBMS).
Students will learn key terms such as data, information, record, file, table, field, and database structure.
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⭐ Important MCQs
1. What is data?
(a) Processed information
(b) Raw facts and figures ✅
(c) Software
(d) Database
2. DBMS stands for:
(a) Data Backup Management System
(b) Database Management System ✅
(c) Digital Base Memory System
(d) None
3. A collection of related records is called:
(a) Field
(b) Table/File ✅
(c) Attribute
(d) Key
4. The smallest unit of data is:
(a) Record
(b) Field ✅
(c) Table
(d) Database
5. Which key uniquely identifies a record?
(a) Foreign Key
(b) Primary Key ✅
(c) Candidate Key
(d) Simple Key
6. The concept of relational databases was introduced in:
(a) 1950s
(b) 1960s
(c) 1970s ✅
(d) 1980s
❓ FAQ
Q1: What is a database?
A database is an organized collection of data stored electronically.
Q2: What is DBMS used for?
DBMS is used to create, manage, and control databases efficiently.
Q3: What is a record in a database?
A record is a collection of related fields.
Q4: Why are databases important?
They help in storing and retrieving large data quickly and accurately.