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Database Systems Competitive Exam MCQs – Practice Test 29 (Chapter 21)

SQL Concepts and Queries MCQs with Answers PDF Download – Test 29

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Download the "SQL Concepts and Queries MCQs" App: Process that undoes all the updates performed by the SQL statements in the transaction, is known to be; MCQ with answers: commit work, transmit work, rollback work, and trace work. Solve B+ Trees Quiz Questions, download Google e-Book (Free Chapter) to learn SQL remotely.

SQL Concepts and Queries MCQs – Practice Test 29 PDF Download

MCQ 141: The default catalog and schema are part of an SQL:

  1. Structure
  2. Environment
  3. System
  4. Functions

MCQ 142: The process that undoes all the updates performed by the SQL statements in the transaction, is known to be:

  1. Transmit work
  2. Commit work
  3. Rollback work
  4. Trace work

MCQ 143: A transaction's effects will be rolled back if it has not yet executed:

  1. Traceback work
  2. Commit work
  3. Transmit work
  4. Trace work

MCQ 144: Foreign keys can be specified as part of the SQL create table statement by using:

  1. Referenced key clause
  2. Primary key clause
  3. Foreign key clause
  4. NO specific key clause

MCQ 145: Values of one type of data can be converted to another domain using the type conversion:

  1. Define
  2. Modify
  3. Alter
  4. Cast

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