Tag: databases

Questions Related to databases

  1. INSERT INTO Persons VALUES ('Jimmy', 'Jackson')

  2. INSERT VALUES ('Jimmy', 'Jackson') INTO Persons

  3. INSERT ('Jimmy', 'Jackson') INTO Persons

  4. INSERT VALUES ('Jimmy', 'Jackson')


Correct Option: A
  1. INSERT INTO Persons (LastName) VALUES ('Olsen')

  2. INSERT ('Olsen') INTO Persons (LastName)

  3. INSERT INTO Persons ('Olsen') INTO LastName

  4. INSERT INTO Persons ('Olsen')


Correct Option: A
  1. DELETE ROW FirstName='Peter' FROM Persons

  2. DELETE FROM Persons WHERE FirstName = 'Peter'

  3. DELETE FirstName='Peter' FROM Persons

  4. REMOVE FROM Persons WHERE FirstName = 'Peter'


Correct Option: B
  1. EXTRACT FirstName FROM Persons

  2. SELECT FirstName FROM Persons

  3. SELECT Persons.FirstName

  4. SELECT * FROM Persons


Correct Option: B
  1. SELECT * FROM Persons WHERE FirstName='Peter' AND LastName='Jackson'

  2. SELECT FirstName='Peter', LastName='Jackson' FROM Persons

  3. SELECT * FROM Persons WHERE FirstName<>'Peter' AND LastName<>'Jackson'

  4. SELECT * FROM Persons WHERE FirstName='Jackson' AND LastName='Peter'


Correct Option: A
  1. SELECT * FROM Persons WHERE LastName>'Hansen' AND LastName

  2. SELECT * FROM Persons WHERE LastName BETWEEN 'Hansen' AND 'Pettersen'

  3. SELECT LastName>'Hansen' AND LastName

  4. SELECT LastName<>'Hansen' AND LastName<>'Pettersen' FROM Persons


Correct Option: B
  1. MODIFY Persons SET LastName='Nilsen' WHERE LastName='Hansen'

  2. MODIFY Persons SET LastName='Hansen' INTO LastName='Nilsen

  3. UPDATE Persons SET LastName='Hansen' INTO LastName='Nilsen'

  4. UPDATE Persons SET LastName='Nilsen' WHERE LastName='Hansen'


Correct Option: D
  1. SELECT COUNT(*) FROM Persons

  2. SELECT COLUMNS(*) FROM Persons

  3. SELECT COLUMNS() FROM Persons

  4. SELECT COUNT() FROM Persons


Correct Option: A