database schema

mcqspedia.com has 5 Question/Answers about Topic database schema

Concept of a relation schema corresponds to programming-language notion of

Concept of a relation schema corresponds to programming-language notion of
  • A. Class
  • B. Function
  • C. Variable
  • D. Type definition
  • Correct Answer: Option D

Logical design of database, is known to be

Logical design of database, is known to be
  • A. Database instance
  • B. Database entity
  • C. Database relation
  • D. Database Schema
  • Correct Answer: Option D

A relation schema consists of a list of attributes and their corresponding

A relation schema consists of a list of attributes and their corresponding
  • A. Variables
  • B. Instances
  • C. Domains
  • D. Tuples
  • Correct Answer: Option C

Contents of a relation instance may change with time as relation

Contents of a relation instance may change with time as relation
  • A. Domain
  • B. Time
  • C. Updated
  • D. Retrieved
  • Correct Answer: Option C

A snapshot of data in database at a given instant in time, is known as

A snapshot of data in database at a given instant in time, is known as
  • A. Database entity
  • B. Database relation
  • C. Database instance
  • D. Database Schema
  • Correct Answer: Option C