Database Management System (DBMS)

331. Which are types of recovery control techniques:

  1. Deferred update
  2. Immediate update
  3. Both
  4. None

Correct answer: (C)
Both

332. FD stands for:

  1. Functional dependency
  2. Facilitate dependency
  3. Functional data
  4. Facilitate data

Correct answer: (A)
Functional dependency

333. In which model of database data is stored in tables:

  1. Network model
  2. Relational model
  3. Hierarchical model
  4. None of these

Correct answer: (B)
Relational model

334. The relational database model and after that by a researcher at ___________:

  1. IBM
  2. Apple
  3. Intel
  4. All of these

Correct answer: (A)
IBM

335. The database containing tables related to each other that help in the smooth processing of data is called ___________:

  1. Service database
  2. Relation database
  3. Related database
  4. None of these

Correct answer: (C)
Related database

336. A table can be defined as a set of ___________:

  1. Rows
  2. Columns
  3. Both
  4. None

Correct answer: (C)
Both

337. Which is very essential as no single set has a specific sot order for its elements:

  1. Rows
  2. Columns
  3. Tables
  4. All of these

Correct answer: (C)
Tables

338. How many types of keys in relation database design:

  1. Primary key
  2. Candidate key
  3. Foreign key
  4. All of these

Correct answer: (D)
All of these

339. Which keys are used that are a column in the table:

  1. Primary key
  2. Candidate key
  3. Foreign key
  4. All of these

Correct answer: (C)
Foreign key

340. Which key is referencing a primary key in a table:

  1. Primary key
  2. Candidate key
  3. Foreign key
  4. All of these

Correct answer: (A)
Primary key

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