WorksheetsSQL Exam
Total questions: 23
Worksheet time: 12mins
What does SQL stand for?
Strong Question Language
Structured Query Language
Structured Question Language
Which SQL statement is used to extract data from a database?
EXTRACT
OPEN
SELECT
GET
Which SQL statement is used to update data in a database?
SAVE
SAVE AS
UPDATE
MODIFY
Which SQL statement is used to delete data from a database?
DELETE
REMOVE
COLLAPSE
Which SQL statement is used to insert new data in a database?
INSERT INTO
INSERT NEW
ADD NEW
ADD RECORD
With SQL, how do you select a column named "FirstName" from a table named "Persons"?
EXTRACT FirstName FROM Persons
SELECT FirstName FROM Persons
SELECT Persons.FirstName
With SQL, how do you select all the records from a table named "Persons" where the value of the column "FirstName" is "Peter"?
SELECT * FROM Persons WHERE FirstName='Peter'
SELECT [all] FROM Persons WHERE FirstName LIKE 'Peter'
SELECT [all] FROM Persons WHERE FirstName='Peter'
SELECT * FROM Persons WHERE FirstName<>'Peter'
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"?
SELECT * FROM Persons WHERE FirstName='%a%'
SELECT * FROM Persons WHERE FirstName LIKE 'a%'
SELECT * FROM Persons WHERE FirstName LIKE '%a'
SELECT * FROM Persons WHERE FirstName='a'
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
true
false
With SQL, how do you select all the records from a table named "Persons" where the "FirstName" is "Peter" and the "LastName" is "Jackson"?
SELECT FirstName='Peter', LastName='Jackson' FROM Persons
SELECT * FROM Persons WHERE FirstName='Peter' AND LastName='Jackson'
SELECT * FROM Persons WHERE FirstName<>'Peter' AND LastName<>'Jackson'
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"?
SELECT LastName>'Hansen' AND LastName<'Pettersen' FROM Persons
SELECT * FROM Persons WHERE LastName BETWEEN 'Hansen' AND 'Pettersen'
SELECT * FROM Persons WHERE LastName>'Hansen' AND LastName<'Pettersen'
Which SQL statement is used to return only different values?
SELECT DIFFERENT
SELECT UNIQUE
SELECT DISTINCT
Which SQL keyword is used to sort the result-set?
SORT
SORT BY
ORDER
ORDER BY
With SQL, how can you return all the records from a table named "Persons" sorted descending by "FirstName"?
SELECT * FROM Persons SORT 'FirstName' DESC
SELECT * FROM Persons ORDER BY FirstName DESC
SELECT * FROM Persons ORDER FirstName DESC
SELECT * FROM Persons SORT BY 'FirstName' DESC
With SQL, how can you insert a new record into the "Persons" table?
INSERT VALUES ('Jimmy', 'Jackson') INTO Persons
INSERT INTO Persons VALUES ('Jimmy', 'Jackson')
INSERT ('Jimmy', 'Jackson') INTO Persons
With SQL, how can you insert "Olsen" as the "LastName" in the "Persons" table?
INSERT INTO Persons ('Olsen') INTO LastName
INSERT INTO Persons (LastName) VALUES ('Olsen')
INSERT ('Olsen') INTO Persons (LastName)
How can you change "Hansen" into "Nilsen" in the "LastName" column in the Persons table?
MODIFY Persons SET LastName='Hansen' INTO LastName='Nilsen
UPDATE Persons SET LastName='Nilsen' WHERE LastName='Hansen'
UPDATE Persons SET LastName='Hansen' INTO LastName='Nilsen'
MODIFY Persons SET LastName='Nilsen' WHERE LastName='Hansen'
With SQL, how can you delete the records where the "FirstName" is "Peter" in the Persons Table?
DELETE FirstName='Peter' FROM Persons
DELETE FROM Persons WHERE FirstName = 'Peter'
DELETE ROW FirstName='Peter' FROM Persons
With SQL, how can you return the number of records in the "Persons" table?
SELECT COUNT(*) FROM Persons
SELECT COLUMNS(*) FROM Persons
SELECT LEN(*) FROM Persons
SELECT NO(*) FROM Persons
What is the most common type of join?
JOINED
INSIDE JOIN
JOINED TABLE
INNER JOIN
The NOT NULL constraint enforces a column to not accept NULL values.
true
false
Which operator is used to search for a specified pattern in a column?
GET
LIKE
FROM
Which SQL statement is used to create a database table called 'Customers'?
CREATE DATABASE TAB Customers
CREATE DB Customers
CREATE DATABASE TABLE Customers
CREATE TABLE Customers
