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SQL Concepts and Queries MCQ Questions and Answers PDF Download eBooks

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MCQs on SQL Concepts and Queries Quiz PDF Download eBooks

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

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