W3Schools SQL

Which operator is used to select values within a range? RANGE WITHIN BETWEEN

BETWEEN

Which SQL statement is used to create a table in a database? CREATE DATABASE TABLE CREATE TABLE CREATE DB CREATE DATABASE TAB

CREATE TABLE

With SQL, how can you insert "Olsen" as the "LastName" in the "Persons" table? INSERT ('Olsen') INTO Persons (LastName) INSERT INTO Persons ('Olsen') INTO LastName INSERT INTO Persons (LastName) VALUES ('Olsen')

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

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

ORDER BY

Which SQL statement is used to extract data from a database? OPEN EXTRACT GET SELECT

SELECT

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

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

With SQL, how can you return the number of records in the "Persons" table? SELECT COUNT() FROM Persons SELECT COUNT(*) FROM Persons SELECT COLUMNS(*) FROM Persons SELECT COLUMNS() FROM Persons

SELECT COUNT(*) FROM Persons

Which SQL statement is used to return only different values? SELECT UNIQUE SELECT DISTINCT SELECT DIFFERENT

SELECT DISTINCT

What does SQL stand for?

Structured Query Language

The NOT NULL constraint enforces a column to not accept null values. False True

True

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

True

Which SQL statement is used to update data in a database? MODIFY SAVE SAVE AS UPDATE

UPDATE

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 LIKE '%a' SELECT * FROM Persons WHERE FirstName='%a%' SELECT * FROM Persons WHERE FirstName='a' SELECT * FROM Persons WHERE FirstName LIKE 'a%'

SELECT * FROM Persons WHERE FirstName LIKE 'a%'

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

SELECT FirstName FROM Persons

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

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

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

DELETE

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 ORDER BY FirstName DESC SELECT * FROM Persons SORT 'FirstName' DESC SELECT * FROM Persons SORT BY 'FirstName' DESC

SELECT * FROM Persons ORDER BY FirstName DESC

Which SQL statement is used to insert new data in a database? ADD NEW ADD RECORD INSERT INTO INSERT NEW

INSERT INTO

With SQL, how can you insert a new record into the "Persons" table? INSERT ('Jimmy', 'Jackson') INTO Persons INSERT VALUES ('Jimmy', 'Jackson') INTO Persons INSERT INTO Persons VALUES ('Jimmy', 'Jackson')

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

Which operator is used to search for a specified pattern in a column? FROM GET LIKE

LIKE

With SQL, how can you delete the records where the "FirstName" is "Peter" in the Persons Table? DELETE ROW FirstName='Peter' FROM Persons DELETE FirstName='Peter' FROM Persons DELETE FROM Persons WHERE FirstName = 'Peter'

DELETE FROM Persons WHERE FirstName = 'Peter'

What is the most common type of join? INNER JOIN INSIDE JOIN JOINED TABLE JOINED

INNER JOIN

With SQL, how do you select all the columns from a table named "Persons"? SELECT [all] FROM Persons SELECT * FROM Persons SELECT Persons SELECT *.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='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 "FirstName" is "Peter" and the "LastName" is "Jackson"? SELECT * FROM Persons WHERE FirstName='Peter' AND LastName='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'