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SQL Quiz

Authored by Neeraj Varshney

Computers

University

Used 254+ times

SQL Quiz
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19 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is a ‘tuple’?

A row or record in a database table

Another name for the key linking different tables in a database.

An attribute attached to a record.

Another name for a table in an RDBMS.

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The command to remove rows from a table ‘CUSTOMER’ is:

REMOVE FROM CUSTOMER …

DROP FROM CUSTOMER …

DELETE FROM CUSTOMER WHERE …

UPDATE FROM CUSTOMER …

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The command to eliminate a table from a database is:

REMOVE TABLE CUSTOMER;

DROP TABLE CUSTOMER;

DELETE TABLE CUSTOMER;

UPDATE TABLE CUSTOMER;

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

To remove duplicate rows from the results of an SQL SELECT statement, the ________ qualifier specified must be included

ONLY

UNIQUE

DISTINCT

SINGLE

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

SELECT [all] FROM Persons

SELECT Persons

SELECT * FROM Persons

SELECT *.Persons

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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 [all] FROM Persons WHERE FirstName='Peter'

SELECT * FROM Persons WHERE FirstName='Peter'

SELECT * FROM Persons WHERE FirstName<>'Peter'

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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'

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