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. SOCP

  2. CATH

  3. FSSP

  4. SUPERFAMILY

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

FSSP (Families of Structurally Similar Proteins) is automatically generated by comparing all protein structures in the PDB database using automated structure alignment algorithms. CATH and SUPERFAMILY involve manual curation or classification. SOCP (if referring to Structural Classification of Proteins) would be SCOP, which is also manual.

Multiple choice
  1. LOB

  2. Hash cluster

  3. Nested table

  4. Index cluster

  5. _

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

In an indexed cluster, Oracle stores together rows having the same cluster key value. Each distinct cluster key value is stored only once in each data block, regardless of the number of tables and rows in which it occurs.