DBMS-Database System Architecture Questions and Answers

Practice Mode
Showing 10 of 41 questions
Q31
Which of the following is a characteristic of the data in a database?
  • A shared
  • B secure
  • C independent
  • D all of these
Answer: Option D
Q32
Which of the following is the database management activity of coordinating the actions of database manipulation processes that operate concurrently, acess shared and can potentially interfere with each other?
  • A concurrency management
  • B database management
  • C transaction management
  • D information management.
Answer: Option A
Q33
An object-oriented DBMS is cabpable of holding:
  • A data and text
  • B pictures and images
  • C voice and video
  • D all of the above
Answer: Option D
Q34
Which of the following is an object-oriented feature?
  • A inheritance
  • B abstraction
  • C polymorphism
  • D all of these
Answer: Option D
Q35
Immunity of the conceptual (or external)schemas to changes in the internal schema is referred to as
  • A Physical data independence
  • B locigal data independence
  • C both (a) and (b)
  • D None of these
Answer: Option A
Q36
A physical data models are used to:
  • A spicify overall logical structure of the database
  • B describe data and its relationships
  • C higher-level description of storage structure and access mechanism
  • D all of these
Answer: Option D
Q37
Immunity of the external schemas (or application programs) to changes in the conceptual schema is referred to as:
  • A physical data independence
  • B logical data independence
  • C both (a) and (b)
  • D none of these
Answer: Option B
Q38
A record-based data models are used to:
  • A specify overall logical structure of the database
  • B describe data and its relationships
  • C higher-level description of storage structure and access mechanism
  • D all of these
Answer: Option A
Q39
An object-oriented data model are used to:
  • A specify overall logical structure of the database
  • B describe data and its relationships
  • C higher-level description of storage structure and access mechanism
  • D all of these.
Answer: Option B
Q40
The relational data model was first introduced by:
  • A SPARC
  • B E.F. Cord
  • C ANSI
  • D Chem.
Answer: Option B

📚 More from Database

← All Topics 🎯 Practice ⏱️ Take Test 🔍 Search
Database
Back to Database
Other Subjects
Questions and Answers for Competitive Exams Various Entrance Test