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Database Systems MCQs (Computer Science) From Textbook

Database Systems MCQs – Practice Test 1 (Chapter 21)

SQL Concepts and Queries MCQs with Answers PDF Download – Test 1

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SQL Concepts and Queries MCQs – Practice Test 1 PDF Download

MCQ 1: SQL supports forms of user-defined data types, in the form of:

  1. 1 form
  2. 2 forms
  3. 3 forms
  4. 4 forms

MCQ 2: When an SQL statement is Executed, the SQL standard specifies the start of a:

  1. Commitment
  2. Data flow
  3. Transaction
  4. Data communication

MCQ 3: Once a transaction has executed commit work, its effects can no longer be undone by:

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

MCQ 4: Many current-generation database applications need to store photographs, or of the order megabytes and gigabytes using:

  1. Large-index type
  2. Large-object type
  3. Large-location type
  4. Large-locator type

MCQ 5: To specify a normal join, using the keyword inner is:

  1. Mandatory
  2. Optional
  3. Independent
  4. Free

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