Computer Knowledge

Database Management Systems

5,543 Questions

Database Management Systems (DBMS) form the core framework for data storage, retrieval, and security in modern software applications. Concepts such as the E-R model, backup planning, SQL integration, and big data architecture are essential for computer knowledge sections. This hub offers a comprehensive set of practice questions to master DBMS fundamentals and advanced database operations.

E-R Model ConceptsBackup and RecoverySQL Server UpgradesJDBC and ODBCBig Data CharacteristicsData VirtualizationOracle Database

Database Management Systems Questions

Multiple choice
  1. It provides rapid and efficient data storage.

  2. It provides a light weight relational database for each application.

  3. The content is available only to the application that created it.

  4. It stores data securely and efficiently.

  5. Options 3 and 4.

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This is incorrect as each application database is sandboxed, but Content Providers supply a mechanism for the managed sharing of these application databases.

Multiple choice
  1. DDL statements

  2. DML statements

  3. Session control statements

  4. Transaction control statements

  5. System control statements

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

These statements in Oracle allow users to control the properties of their current session by enabling or disabling roles of users and changing language settings.