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WorksheetsMYSQL
Total questions: 25
Worksheet time: 13mins
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
INSERT
UPDATE
DELETE
Which SQL statement is used to update data in a database?
MODIFY
SAVE
UPDATE
INSERT
Which SQL statement is used to delete data from a database?
DELETE
DROP
REMOVE
COLLAPSE
Which SQL statement is used to insert new data in a database?
INSERT INTO
INSERT NEW
INSERT VALUE
ADD NEW
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 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 LIKE 'Peter'
SELECT * FROM Persons WHERE FirstName='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='%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 FirstName='Peter', LastName='Jackson' FROM Persons
SELECT * FROM Persons WHERE FirstName<>'Peter' AND LastName<>'Jackson'
SELECT * FROM Persons WHERE FirstName='Peter' AND LastName='Jackson'
SELECT * FROM Persons WHERE FirstName='Peter' OR FirstName='Jackson'
Which SQL statement is used to return only different values?
SELECT DIFFERENT
SELECT UNIQUE
SELECT DISTINCT
SELECT MIN
Which SQL keyword is used to sort the result-set?
ORDER
SORT BY
ORDER BY
SORT
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 BY 'FirstName' DESC
SELECT * FROM Persons SORT 'FirstName' DESC
SELECT * FROM Persons ORDER FirstName DESC
With SQL, how can you insert a new record into the "Persons" table?
INSERT INTO Persons VALUES ('Jimmy', 'Jackson')
INSERT ('Jimmy', 'Jackson') INTO Persons
INSERT VALUES ('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='Hansen' INTO LastName='Nilsen'
MODIFY Persons SET LastName='Hansen' INTO LastName='Nilsen
UPDATE Persons SET LastName='Nilsen' WHERE LastName='Hansen'
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 NO(*) FROM Persons
SELECT LEN(*) FROM Persons
SELECT COLUMNS(*) FROM Persons
What is the most common type of join?
INNER JOIN
INSIDE JOIN
JOINED
JOINED TABLE
Which operator is used to select values within a range?
RANGE
BETWEEN
WITHIN
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?
FROM
LIKE
GET
Which SQL statement is used to create a database table called 'Customers'?
CREATE DB Customers
CREATE DATABASE TAB Customers
CREATE TABLE Customers
CREATE DATABASE TABLE Customers
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 LastName>'Hansen' AND LastName<'Pettersen' FROM Persons
SELECT * FROM Persons WHERE LastName BETWEEN 'Hansen' AND 'Pettersen'
