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WorksheetsSQL MIDTERM EXAM
Total questions: 25
Worksheet time: 19mins
What does SQL stand for?
Structured Query Language
Structured Question Language
Strong Question Language
Standard Query Language
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
Which operator is used to search for a specified pattern in a column?
GET
LIKE
FROM
ILIKE
The NOT NULL constraint enforces a column to not accept NULL values.
TRUE
FALSE
Which operator is used to select values within a range?
RANGE
ORDER BY
BETWEEN
WITHIN
What is the most common type of join?
INNER JOIN
INSIDE JOIN
JOINED
JOINED TABLE
With SQL, how can you return the number of records in the "Persons" table?
SELECT COUNT(*) FROM Persons
SELECT NO(*) FROM Persons
SELECT COLUMNS(*) FROM Persons
SELECT LEN(*) FROM Persons
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'
DELETE FirstName = 'Peter' FROM Persons
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
MODIFY Persons SET LastName='Nilsen' WHERE LastName='Hansen'
UPDATE Persons SET LastName='Hansen' INTO LastName='Nilsen'
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')
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 return all the records from a table named "Persons" sorted descending by "FirstName"?
SELECT * FROM Persons SORT 'FirstName' DESC
SELECT * FROM Persons ORDER BY FirstName DESC
SELECT * FROM Persons SORT BY 'FirstName' DESC
SELECT * FROM Persons ORDER FirstName DESC
Which SQL keyword is used to sort the result-set?
SORT BY
ORDER
ORDER BY
SORT
Which SQL statement is used to return only different values?
SELECT DIFFERENT
SELECT DISTINCT
SELECT UNIQUE
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 LastName > 'Hansen' AND LastName < 'Pettersen' FROM Persons
SELECT * FROM Persons WHERE LastName BETWEEN 'Hansen' AND 'Pettersen'
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'
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 value of the column "FirstName" starts with an "a"?
SELECT * FROM Persons WHERE FirstName LIKE 'a%'
SELECT * FROM Persons WHERE FirstName LIKE '%a'
SELECT * FROM Persons WHERE FirstName='%a%'
SELECT * FROM Persons WHERE FirstName='a'
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 columns from a table named "Persons"?
SELECT * FROM Persons
SELECT Persons
SELECT [all] FROM Persons
SELECT *.Persons
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
INSERT INTO FirstName FROM Persons
Which SQL statement is used to insert new data in a database?
INSERT NEW
MODIFY
UPDATE
INSERT INTO
Which SQL statement is used to extract data from a database?
DELETE
INSERT INTO
UPDATE
SELECT
Which SQL statement is used to update data in a database?
SELECT
INSERT INTO
UPDATE
DELETE
Which SQL statement is used to delete data from a database?
COLLAPSE
REMOVE
DELETE
UPDATE
