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'