SQL Quiz

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SQL Mastery Quiz

Test your knowledge of SQL with our exciting quiz designed for enthusiasts and professionals alike. From beginner concepts to advanced queries, challenge yourself and see how much you really know!

20 multiple-choice questions
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20 Questions5 MinutesCreated by QueryCat123

SQL stands for

Structured query language

Standard query language

Strong question language

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

SELECT

EXTRACT

GET

OPEN

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

DELETE

COLLAPSE

REMOVE

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

INSERT NEW

ADD RECORD

ADD NEW

INSERT INTO

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

EXTRACT FirstName FROM Persons

SELECT Persons.FirstName

SELECT FirstName FROM Persons

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

SELECT Persons

SELECT* .Persons

SELECT [all] FROM Persons

SELECT * From Persons

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 * 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%'

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

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

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

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 * FROM Persons WHERE LastName>'Hansen' AND LastName<'Pettersen'

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

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

Which SQL statement is used to return only different values?

SELECT DISTINCT

SELECT DIFFERENT

SELECT UNIQUE

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

SELECT * FROM Persons ORDER FirstName DESC

SELECT * FROM Persons SORT '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 ('Olsen') INTO Persons (LastName)

INSERT INTO Persons (LastName) VALUES ('Olsen')

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

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

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

MODIFY Persons SET LastName='Nilsen' WHERE LastName='Hansen'

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

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

DELETE ROW FirstName='Peter' FROM Persons

DELETE FROM Persons WHERE FirstName = 'Peter'

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

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