Database Systems MCQs (Computer Science) From Textbook

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Database Systems MCQs – Mock Test 224

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The MCQ: Restricting data access and database activities is the responsibility of; "DBMS for Competitive Exams" App (Free Android & iOS) with answers: data access control, data concurrency control, data integrity control, and data atomicity control for computer science associate degree. Practice Database System Architectures Questions and Answers, Google eBook to download free chapter for top computer science schools.

DBMS for Competitive Exams MCQ – Mock Test 224 PDF Download

MCQ: 1116

Restricting data access and database activities is the responsibility of

  1. Data concurrency control
  2. Data access control
  3. Data atomicity control
  4. Data integrity control
MCQ: 1117

We may wish to change a value in a tuple without changing all values in the tuple. For this purpose, the statement to be used is

  1. Modify
  2. Alter
  3. Define
  4. Update
MCQ: 1118

CGI stands for

  1. Complete Gateway Interface
  2. Communication Gateway Interface
  3. Common Gateway Interface
  4. Computing Gateway Interface
MCQ: 1119

The relational algebra operation that removes duplicate tuples from the output, is known as

  1. Selection
  2. Natural join
  3. Union operation
  4. Projection
MCQ: 1120

For different types of users, there's a need for designing different

  1. Processes
  2. Applications
  3. Programs
  4. Interfaces

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