Tag: databases

Questions Related to databases

  1. Acquisition

  2. Transaction

  3. Application

  4. Preliminary


Correct Option: D

IGNORE DUPLICATE ROWS does not apply if there are any unique indexes in the table.

  1. True

  2. False


Correct Option: A
  1. Return records which have no direct match

  2. Return records which have direct match

  3. Return all the records

  4. None of the above


Correct Option: A

____________ is the outer join operator.

  1. (+)

  2. (-)

  3. (*)

  4. +


Correct Option: A
  1. Selfjoin

  2. Outerjoin

  3. innerjoin

  4. equijoin


Correct Option: A