Tag: databases

Questions Related to databases

  1. Index

  2. Page allocation

  3. Trigger creation

  4. None of the above


Correct Option: A

reservepagegap can be used in any one of the following

  1. Index

  2. Page deallocation

  3. Trigger creation

  4. None of the above


Correct Option: A
  1. Strong Question Language

  2. Structured Query Language

  3. Structured Question Language

  4. None of the Above


Correct Option: B
  1. SELECT, FROM , WHERE,GROUP BY, ORDER BY, HAVING?

  2. SELECT, FROM, WHERE, ORDER BY, HAVING,GROUP BY

  3. SELECT, FROM, WHERE, ORDER BY, GROUP BY, HAVING

  4. SELECT, FROM , WHERE,GROUP BY, HAVING, ORDER BY


Correct Option: D
  1. UNION only selects distinct values, UNION ALL selects all values (excluding ?duplicates)?

  2. UNION ALL only selects distinct values, UNION selects all values (including ?duplicates)?

  3. UNION only selects distinct values, UNION ALL selects all values (including ?duplicates)?

  4. UNION ALL only selects distinct values, UNION selects all values (excluding ?duplicates)?


Correct Option: C