DBMS-DBMS CONCEPT Questions and Answers

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Showing 10 of 45 questions
Q21
DBMS manage concurrent databases access and prevents from the problem and their mapping to  the loss of integrity.
  • A TRUE
  • B FALSE
Answer: Option A
Q22
View definition language is used to specify the conceptual schema in the database.
  • A TRUE
  • B FALSE
Answer: Option A
Q23
Data storage definition language is used to specify the conceptual schema in the database.
  • A TRUE
  • B FALSE
Answer: Option B
Q24
Structured query language (SQL) and query by example (QBE) are the examples of fourth-generation language.
  • A TRUE
  • B FALSE
Answer: Option A
Q25
A transaction cannot update a record, delete a record, modify a set of  records and so on.
  • A TRUE
  • B FALSE
Answer: Option B
Q26
Which of the following is related to information?
  • A data
  • B communication
  • C knowledge
  • D all of these
Answer: Option A
Q27
Data is:
  • A a piece of fact
  • B metadata
  • C information
  • D none of these
Answer: Option A
Q28
Which of the following is element of the database ?
  • A data
  • B constraints and schema
  • C relationships
  • D all of these
Answer: Option D
Q29
What represent a correspondence between the various data elements?
  • A data
  • B constraints
  • C relationships
  • D schema
Answer: Option C
Q30
Which of the following is an advantage of using database system?
  • A security enforcement
  • B avoidance of redundancy
  • C reduced inconsistency
  • D all of these
Answer: Option D

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