MySQL- Quiz2

What does SQL stand for?

Structured Question Language
Structured Query Language
Strong Question Language

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

SELECT
EXTRACT
OPEN
GET

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

SAVE AS
SAVE
UPDATE
MODIFY

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

REMOVE
DELETE
COLLAPSE

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

INSERT INTO
ADD NEW
INSERT NEW
ADD RECORD

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

SELECT FirstName FROM Persons
EXTRACT FirstName FROM Persons
SELECT Persons.FirstName

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

SELECT Persons
SELECT [all] FROM 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 [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 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 * FROM Persons WHERE FirstName='Peter' AND LastName='Jackson'
SELECT FirstName='Peter', LastName='Jackson' FROM Persons
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 DISTINCT
SELECT DIFFERENT
SELECT UNIQUE

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

SORT
ORDER
SORT BY
ORDER BY

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

SELECT * FROM Persons ORDER BY FirstName DESC
SELECT * FROM Persons SORT '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 INTO Persons VALUES ('Jimmy', 'Jackson')
INSERT VALUES ('Jimmy', 'Jackson') INTO Persons
INSERT ('Jimmy', 'Jackson') INTO Persons

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

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

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

UPDATE Persons SET LastName='Nilsen' WHERE LastName='Hansen'
MODIFY Persons SET LastName='Hansen' INTO LastName='Nilsen
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 ROW FirstName='Peter' FROM Persons
DELETE 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 LEN(*) FROM Persons
SELECT COLUMNS(*) FROM Persons
SELECT NO(*) FROM Persons

What is the most common type of join?

JOINED TABLE
INSIDE JOIN
JOINED
INNER JOIN

Which operator is used to select values within a range?

RANGE
WITHIN
BETWEEN

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

False
True

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 DB Customers
CREATE DATABASE TAB Customers
CREATE DATABASE TABLE Customers
CREATE TABLE Customers

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