Question 1

What SQL command do you use to query a database?

Accepted Answer

A)   WHERE
B)   SELECT
C)   FROM
D)   SET

Question 2

The GROUP BY clause sorts the data in a particular order.

Accepted Answer

A) True 
 B)False

Question 3

Mallory would like to display the rows from a MySQL table that have "Red," "Pink," or "White" in the COLOR column. A concise way of writing her query would be to use a(n)  _____.

Accepted Answer

A)   LIKE clause
B)   CONTAINS clause
C)   BETWEEN clause
D)   IN clause

Question 4

In MySQL, you can use an asterisk (*)  to represent any column when using the _____.

Accepted Answer

A)   SUM function
B)   COUNT function
C)   MAX function
D)   MIN function

Question 5

It is possible to place one query inside another.

Accepted Answer

A) True 
 B)False

Question 6

Which operator finds rows that do not contain a null value in the specified column?

Accepted Answer

A)   IS NULL
B)   NOT NULL
C)   !NULL
D)   IS NOT NULL

Question 7

All SELECT statements require a WHERE clause.

Accepted Answer

A) True 
 B)False

Question 8

Which operator uses one or more wildcard characters to test for a pattern match?

Accepted Answer

A)   PATTERN
B)   LIKE
C)   MATCH
D)   SIMILAR

Question 9

Which function determines the number of rows in a table?

Accepted Answer

A)   ROW
B)   CALCULATE
C)   COUNT
D)   NUMBER

Question 10

When a subquery is used in a SQL statement _____.

Accepted Answer

A)   the subquery is evaluated first
B)   a temporary table is created and displayed
C)   the outer query is evaluated first
D)   only the subquery can include a WHERE clause

Question 11

Which clause is used to restrict the groups that will be included in a query result?

Accepted Answer

A)   LIKE
B)   HAVING
C)   WHERE
D)   HAVE

Question 12

When you need to sort data on two columns, the less important column is called the _____.

Accepted Answer

A)   double sort key
B)   primary sort key
C)   minor sort key
D)   foreign sort key

Question 13

Which of the following operators can be used for a column computation?

Accepted Answer

A)   +
B)   ^
C)   **
D)   +, ^, and **

Question 14

What does the following SQL query do? SELECT INVOICE_NUM FROM INVOICE_LINE WHERE PROD_CODE IN (SELECT PROD_CODE FROM PRODUCTS WHERE (PROD_TYPE = 'Cupcake') ) ;

Accepted Answer

A)   cause an error because it includes more than one SELECT command
B)   lists all rows from the invoice line table that contain a "Cupcake" type product
C)   lists the invoice numbers for invoices containing line items with a "Cupcake" product type
D)   lists the product codes for all "Cupcake" type products that appear on invoices

Question 15

Imagine that you are working with a MySQL table called ADDRESS_BOOK with the following columns: FIRST_NAME, LAST_NAME, STREET_ADDRESS, CITY, STATE, ZIP_CODE, and BIRTHDAY. Write queries to (1) list all rows missing the ZIP code value and (2) list all rows that include a birthday value.

Accepted Answer

SELECT * FROM ADDRESS_BOOK WHE...

Exam 4: Single Table Queries

When a subquery is used in a SQL statement _____.

Correct Answer
verified

What SQL command do you use to query a database?

Correct Answer
verified

Which function determines the number of rows in a table?

Correct Answer
verified

The GROUP BY clause sorts the data in a particular order.

Correct Answer
verified

What does the following SQL query do? SELECT INVOICE_NUM FROM INVOICE_LINE WHERE PROD_CODE IN (SELECT PROD_CODE FROM PRODUCTS WHERE (PROD_TYPE = 'Cupcake') ) ;

Correct Answer
verified

Which operator finds rows that do not contain a null value in the specified column?

Correct Answer
verified

Imagine that you are working with a MySQL table called ADDRESS_BOOK with the following columns: FIRST_NAME, LAST_NAME, STREET_ADDRESS, CITY, STATE, ZIP_CODE, and BIRTHDAY. Write queries to (1) list all rows missing the ZIP code value and (2) list all rows that include a birthday value.

Correct Answer
verified
SELECT * FROM ADDRESS_BOOK WHE...
View Answer

Which operator uses one or more wildcard characters to test for a pattern match?

Correct Answer
verified

All SELECT statements require a WHERE clause.

Correct Answer
verified

Which clause is used to restrict the groups that will be included in a query result?

Correct Answer
verified

When you need to sort data on two columns, the less important column is called the _____.

Correct Answer
verified

Mallory would like to display the rows from a MySQL table that have "Red," "Pink," or "White" in the COLOR column. A concise way of writing her query would be to use a(n) _____.

Correct Answer
verified

Which of the following operators can be used for a column computation?

Correct Answer
verified

In MySQL, you can use an asterisk (*) to represent any column when using the _____.

Correct Answer
verified

It is possible to place one query inside another.

Correct Answer
verified

Exam 4: Single Table Queries

When a subquery is used in a SQL statement _____.

Correct AnswerverifiedShow Answer

What SQL command do you use to query a database?

Correct AnswerverifiedShow Answer

Which function determines the number of rows in a table?

Correct AnswerverifiedShow Answer

The GROUP BY clause sorts the data in a particular order.

Correct AnswerverifiedShow Answer

What does the following SQL query do? SELECT INVOICE_NUM FROM INVOICE_LINE WHERE PROD_CODE IN (SELECT PROD_CODE FROM PRODUCTS WHERE (PROD_TYPE = 'Cupcake') ) ;

Correct AnswerverifiedShow Answer

Which operator finds rows that do not contain a null value in the specified column?

Correct AnswerverifiedShow Answer

Imagine that you are working with a MySQL table called ADDRESS_BOOK with the following columns: FIRST_NAME, LAST_NAME, STREET_ADDRESS, CITY, STATE, ZIP_CODE, and BIRTHDAY. Write queries to (1) list all rows missing the ZIP code value and (2) list all rows that include a birthday value.

Correct AnswerverifiedSELECT * FROM ADDRESS_BOOK WHE...View AnswerShow Answer

Which operator uses one or more wildcard characters to test for a pattern match?

Correct AnswerverifiedShow Answer

All SELECT statements require a WHERE clause.

Correct AnswerverifiedShow Answer

Which clause is used to restrict the groups that will be included in a query result?

Correct AnswerverifiedShow Answer

When you need to sort data on two columns, the less important column is called the _____.

Correct AnswerverifiedShow Answer

Mallory would like to display the rows from a MySQL table that have "Red," "Pink," or "White" in the COLOR column. A concise way of writing her query would be to use a(n) _____.

Correct AnswerverifiedShow Answer

Which of the following operators can be used for a column computation?

Correct AnswerverifiedShow Answer

In MySQL, you can use an asterisk (*) to represent any column when using the _____.

Correct AnswerverifiedShow Answer

It is possible to place one query inside another.

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
verified
SELECT * FROM ADDRESS_BOOK WHE...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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