SQL Fundamentals

Basic SQL query operations including SELECT, INSERT, UPDATE, DELETE and WHERE clauses

20 Questions Published

Questions

Question 1 True/False

The OR operator displays a record if ANY conditions listed are true. The AND operator displays a record if ALL of the conditions listed are true

  1. True
  2. False
Question 2 Multiple Choice (Single Answer)

With SQL, how can you return all the records from a table named "Persons" sorted descending by "FirstName"?

  1. SELECT * FROM Persons SORT BY 'FirstName' DESC
  2. SELECT * FROM Persons SORT 'FirstName' DESC
  3. SELECT * FROM Persons ORDER BY FirstName DESC
  4. SELECT * FROM Persons ORDER FirstName DESC
Question 3 Multiple Choice (Single Answer)

Which SQL statement is used to extract data from a database?

  1. OPEN
  2. EXTRACT
  3. SELECT
  4. GET
Question 4 Multiple Choice (Single Answer)

Which SQL statement is used to update data in a database?

  1. UPDATE
  2. MODIFY
  3. SAVE
  4. SAVE AS
Question 5 Multiple Choice (Single Answer)

Which SQL statement is used to insert new data in a database?

  1. ADD NEW
  2. INSERT INTO
  3. ADD RECORD
  4. INSERT NEW
Question 6 Multiple Choice (Single Answer)

What does SQL stand for?

  1. Strong Question Language
  2. Structured Query Language
  3. Structured Question Language
  4. Strong Query Language
Question 7 Multiple Choice (Single Answer)

With SQL, how do you select all the columns from a table named "Persons"?

  1. SELECT * FROM Persons
  2. SELECT [all] FROM Persons
  3. SELECT Persons
  4. SELECT FROM Persons
Question 8 Multiple Choice (Single Answer)

Which SQL statement is used to return only different values?

  1. SELECT DIFFERENT
  2. SELECT UNIQUE
  3. SELECT DISTINCT
  4. SELECT EXACT
Question 9 Multiple Choice (Single Answer)

With SQL, how can you insert a new record into the "Persons" table?

  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')
Question 10 Multiple Choice (Single Answer)

With SQL, how can you insert "Olsen" as the "LastName" in the "Persons" table?

  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')
Question 11 Multiple Choice (Single Answer)

With SQL, how can you delete the records where the "FirstName" is "Peter" in the Persons Table?

  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'
Question 12 Multiple Choice (Single Answer)

Which SQL statement is used to delete data from a database?

  1. DELETE
  2. COLLAPSE
  3. REMOVE
  4. ERASE
Question 13 Multiple Choice (Single Answer)

With SQL, how do you select a column named "FirstName" from a table named "Persons"?

  1. EXTRACT FirstName FROM Persons
  2. SELECT FirstName FROM Persons
  3. SELECT Persons.FirstName
  4. SELECT * FROM Persons
Question 14 Multiple Choice (Single Answer)

With SQL, how do you select all the records from a table named "Persons" where the "FirstName" is "Peter" and the "LastName" is "Jackson"?

  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'
Question 15 Multiple Choice (Single Answer)

With SQL, how do you select all the records from a table named "Persons" where the "LastName" is alphabetically between (and including) "Hansen" and "Pettersen"?

  1. SELECT * FROM Persons WHERE LastName>'Hansen' AND LastName<'Pettersen'
  2. SELECT * FROM Persons WHERE LastName BETWEEN 'Hansen' AND 'Pettersen'
  3. SELECT LastName>'Hansen' AND LastName<'Pettersen' FROM Persons
  4. SELECT LastName<>'Hansen' AND LastName<>'Pettersen' FROM Persons
Question 16 Multiple Choice (Single Answer)

Which SQL keyword is used to sort the result-set?

  1. SORT BY
  2. SORT
  3. ORDER
  4. ORDER BY
Question 17 Multiple Choice (Single Answer)

How can you change "Hansen" into "Nilsen" in the "LastName" column in the Persons table?

  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'
Question 18 Multiple Choice (Single Answer)

With SQL, how can you return the number of records in the "Persons" table?

  1. SELECT COUNT(*) FROM Persons
  2. SELECT COLUMNS(*) FROM Persons
  3. SELECT COLUMNS() FROM Persons
  4. SELECT COUNT() FROM Persons
Question 19 Multiple Choice (Single Answer)

With SQL, how do you select all the records from a table named "Persons" where the value of the column "FirstName" is "Peter"?

  1. SELECT [all] FROM Persons WHERE FirstName LIKE 'Peter'
  2. SELECT * FROM Persons WHERE FirstName<>'Peter'
  3. SELECT [all] FROM Persons WHERE FirstName='Peter'
  4. SELECT * FROM Persons WHERE FirstName='Peter'
Question 20 Multiple Choice (Single Answer)

With SQL, how do you select all the records from a table named "Persons" where the value of the column "FirstName" starts with an "a"?

  1. SELECT * FROM Persons WHERE FirstName LIKE '%a'
  2. SELECT * FROM Persons WHERE FirstName='%a%'
  3. SELECT * FROM Persons WHERE FirstName='a'
  4. SELECT * FROM Persons WHERE FirstName LIKE 'a%'