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Database Systems MCQs (Computer Science) From Textbook

Database Systems Certification MCQs – Mock Test 279

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Download "Storage and File Structure Learning" App (Android & iOS): Recovering schemes manages transactions aborts by maintaining a/an; MCQ with answers: process, log, command, and file directory. Learn Database Transactions Questions and Answers, Apple Book to download free chapter to improve online DBMS.

Storage and File Structure MCQs – Mock Test 279 PDF Download

MCQ 1391: Recovering schemes manages transactions aborts by maintaining a/an:

  1. Log
  2. Process
  3. File directory
  4. Command

MCQ 1392: The SQL statements are identified at compile time using a preprocessor, under the:

  1. Dynamic SQL
  2. Embedded SQL
  3. Absolute SQL
  4. Inbuilt SQL

MCQ 1393: The term that provides commands for defining relation schemas, deleting relations, and modifying relation schemas, known as:

  1. SQL DDL
  2. SQL DML
  3. View definition
  4. Embedded SQL

MCQ 1394: Tuples with the same value on all attributes in the group by clause are placed in:

  1. One group
  2. Two groups
  3. Multiple groups
  4. No groups

MCQ 1395: The rate calculated at which data can be retrieved from or stored to the disk, is known as:

  1. Data-transfer rate
  2. Data-connection rate
  3. Data-access rate
  4. Data-response rate

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