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WorksheetsUnit 1 RDBMS MCQS
Total questions: 15
Worksheet time: 9mins
What is refined data
Knowledge
Information
Statistics
None
What are the key attributes of information
Accuracy
Timeliness
Relevancy
All the above
(a) means information is free from mistakes and errors
Which means the use of a piece of information for a particular person
Accuracy
Timeliness
Relevancy
None
Data are processed through _____ to create information
Channels
Ledgers
Models
None
(a) is the backbone of information.
Timeliness means that the information is free from mistakes and errors.
True
False
Which of the following is a database element
Data
Relationships
Constraints
All the above
What are binary computer representations of stored logical entities
Data
Relationships
Constraints
Schema
Which of the following is a hierarchical database
IDMS
IMS
DB2
Oracle
What defines how and where data are organized in physical storage
internal schema
external schema
conceptual schema
none
A collection of data designed to be used by different people is called a (a)
DBMS stands for
Data Blocking and Management Systems
Database management Systems
Database Business management system
none
SQL stands for
Structured Query Language
Stress Query language
Statement Query Language
none
Which of the following is an object-oriented feature
Inheritance
Polymorphism
Abstraction
All of the above
