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Microsoft MCSA: SQL 2016 Database Development 70-761 practice test questions

QUESTION 1
Note: This question is part of a series of questions that present the same scenario. Each question in the series contains
a unique solution that might meet the stated goals. Some question sets might have more than one correct solution,
while
others might not have a correct solution.
After you answer a question in this section. You will NOT be able to return to it. As a result, these questions will not
appear in the review screen.
A database has two tables as shown in the following database diagram:

Pmtrainingprep 70-761 exam questions-q1

You need to list all provinces that have at least two large cities. A large city is defined as having a population of at least
one million residents. The query must return the following columns:
tblProvince.ProvinceId
tblProvince.ProvinceName
a derived column named LargeCityCount that presents the total count of large cities for the province
Solution: You run the following Transact-SQL statement:

Pmtrainingprep 70-761 exam questions-q1-2

Does the solution meet the goal?
A. Yes
B. No
Correct Answer: A
The requirement to list all provinces that have at least two large cities is meet by the WHERE
CitySummary.LargeCityCount >=2 clause.
CROSS APPLY willwork fine here.
Note:
The APPLY operator allows you to invoke a table-valued function for each row returned by an outer table expression of
a query. The table-valued function acts as the right input and the outer table expression acts as the left input. The right
input is evaluated for each row from the left input and the rows produced are combined for the final output. The list of
columns produced by the APPLY operator is the set of columns in the left input followed by the list of columns returned
by
the right input.
There are two forms of APPLY: CROSS APPLY and OUTER APPLY. CROSS APPLY returns only rows from the outer
table that produce a result set from the table-valued function. OUTER APPLY returns both rows that produce a result
set,
and rows that do not, with NULL values in the columns produced by the table-valued function.
References: https://technet.microsoft.com/en-us/library/ms175156(v=sql.105).aspx

QUESTION 2
DRAG DROP
Note: This question is part of a series of questions that use the same scenario. For your convenience, the scenario is
repeated in each question. Each question presents a different goal and answer choices, but the text of the scenario is
exactly the same in each question in this series.
You are developing a database to track customer orders. The database contains the following tables: Sales.Customers,
Sales.Orders, and Sales.OrderLines. The following table describes the columns in Sales.Customers.

Pmtrainingprep 70-761 exam questions-q2

You need to create a function that accepts a CustomerID as a parameter and returns the following information:
all customer information for the customer
the total number of orders for the customer
the total price of all orders for the customer
the average quantity of items per order How should you complete the function definition? To answer, drag the
appropriate Transact-SQL segment to the correct locations. Transact-SQL segment may be used once, more than once,
or not at all. You may need to drag the split bar between panes or scroll to view content.
Select and Place:

Pmtrainingprep 70-761 exam questions-q2-2

Box1: RETURNS TABLE
The function should return the following information:
all customer information for the customer
the total number of orders for the customer
the total price of all orders for the customer
the average quantity of items per order
Box 2: COUNT
The function should return the total number of orders for the customer.
Box 3: SUM
The function should return the total price of all orders for the customer.
Box 3. AVG
The function should return the average quantity of items per order.
Box 4: GROUP BY
Need to use GROUP BY for the aggregate functions.
References: https://msdn.microsoft.com/en-us/library/ms186755.aspx

QUESTION 3
SIMULATION
You work for an organization that monitors seismic activity around volcanos. You have a table named GroundSensors.
The table stored data collected from seismic sensors. It includes the columns describes in the following table:

Pmtrainingprep 70-761 exam questions-q3

The database also contains a scalar value function named NearestMountain that accepts a parameter of type
geography and returns the name of the mountain that is nearest to the sensor.
You need to create a query that shows the average of the normalized readings from the sensors for each mountain. The
query must meet the following requirements:
Return the average normalized readings named AverageReading.
Return the nearest mountain name named Mountain.
Do not return any other columns.
Exclude sensors for which no normalized reading exists.
Construct the query using the following guidelines:
Use one part names to reference tables, columns and functions.
Do not use parentheses unless required.
Define column headings using the AS keyword.
Do not surround object names with square brackets.

Pmtrainingprep 70-761 exam questions-q3-2

Part of the correct Transact-SQL has been provided in the answer area below. Enter the code in the answer area that
resolves the problem and meets the stated goals or requirements. You can add code within the code that has been
provided as well as below it.

Pmtrainingprep 70-761 exam questions-q3-3

Use the Check Syntax button to verify your work. Any syntax or spelling errors will be reported by line and character
position.
Correct Answer:
1 SELECT avg (normalizedreading) as AverageReading, location as Mountain
2 FROM GroundSensors
3 WHERE normalizedreading is not null
Note: On line 1 change to AverageReading and change to Mountain.

QUESTION 4
Note: This question is part of a series of questions that use the same or similar answer choices. An answer choice may
be correct for more than one question in the series. Each question is independent of the other questions in this series.
Information and details provided in a question apply only to that question.
You have a database that contains tables named Customer_CRMSystem and Customer_HRSystem. Both tables use
the following structure:

Pmtrainingprep 70-761 exam questions-q4

Customer_HRSystem

Pmtrainingprep 70-761 exam questions-q4-2

Records that contain null values for CustomerCode can be uniquely identified by CustomerName. You need to display a
Cartesian product, combining both tables.

Which Transact-SQL statement should you run?

Pmtrainingprep 70-761 exam questions-q4-3

A. B. C.

Pmtrainingprep 70-761 exam questions-q4-4

D. E. F. G. H.
Correct Answer: G
A cross join that does not have a WHERE clause produces the Cartesian product of the tables involved in the join. The
size of a Cartesian product result set is the number of rows in the first table multiplied by the number of rows in the
second table.
References: https://technet.microsoft.com/en-us/library/ms190690(v=sql.105).aspx

QUESTION 5
You have a database that contains the following tables:

Pmtrainingprep 70-761 exam questions-q5

You need to write a query that returns a list of all customers who have not placed orders. Which Transact-SQL
statement should you run?
A. SELECT c.custid FROM Sales.Customers c INNER JOIN Sales.Order oON c.custid = o.custid
B. SELECT custid FROM Sales.Customers INTERSECTSELECT custid FROM Sales.Orders
C. SELECTc.custid FROM Sales.Customers c LEFT OUTER Sales.Order oON c.custid = o.custid
D. SELECT c.custid FROM Sales.Customers c LEFT OUTER JOIN Sales.Order oON c.custid = o.custid WHERE
orderid IS NULL
E. SELECT custid FROM Sales.Customers UNION ALL SELECT custid FROM Sales.Orders
F. SELECT custid FROM Sales.Customers UNION SELECT custid FROM Sales.Orders
G. SELECT c.custid FROM Sales.Customers c RIGHT OUTER JOIN Sales.Orders o ON c.custid = o.custid
Correct Answer: D
Inner joins return rows only when there is at least one row from both tables that matches the join condition. Inner joins
eliminate the rows that do not match with a row from the other table. Outer joins, however, return all rows from at least
one of the tables or views mentioned in the FROM clause, as long as those rows meet any WHERE or HAVING search
conditions. All rows are retrieved from the left table referenced with a left outer join, and all rows from the right table
referenced in a right outer join. All rows from both tables are returned in a full outer join.
References: https://technet.microsoft.com/en-us/library/ms187518(v=sql.105).aspx

QUESTION 6
SIMULATION
You create a table named Sales.Orders by running the following Transact-SQL statement:

Pmtrainingprep 70-761 exam questions-q6

You need to write a query that removes orders from the table that have a Status of Canceled.
Construct the query using the following guidelines:
use one-part column names and two-part table names
use single quotes around literal values
do not use functions
do not surround object names with square brackets
do not use variables
do not use aliases for column names and table names

Pmtrainingprep 70-761 exam questions-q6-2

 Part of the correct Transact-SQL has been provided in the answer area below. Enter the code in the answer area that
resolves the problem and meets the stated goals or requirements. You can add code within the code that has been
provided as well as below it.

Pmtrainingprep 70-761 exam questions-q6-3

Use the Check Syntax button to verify your work. Any syntax or spelling errors will be reported by line and character
position.
Correct Answer:
1. DELETE from sales.orders where status=\\’Canceled\\’
Note: On line 1 change calceled to Canceled
Example: Using the WHERE clause to delete a set of rows
The following example deletes all rows from the ProductCostHistory table in the AdventureWorks2012 database in
which the value in the StandardCost column is more than 1000.00.
DELETE FROM Production.ProductCostHistory
WHERE StandardCost > 1000.00;
References: https://docs.microsoft.com/en-us/sql/t-sql/statements/delete-transact-sql

QUESTION 7
DRAG DROP
You have a database that contains the following tables:

Pmtrainingprep 70-761 exam questions-q7

A delivery person enters an incorrect value for the CustomerID column in the Invoices table and enters the following text
in the ConfirmedReceivedBy column: “Package signed for by the owner Tim.”
You need to find the records in the Invoices table that contain the word Tim in the CustomerName field along with the
incorrectly entered row from the Sales.Invoice table.
How should you complete the Transact-SQL statement? To answer, drag the appropriate Transact-SQL segments to
the correct locations. Each Transact-SQL segment may be used once, more than once, or not at all. You may need to
drag
the split bar between panes or scroll to view content.
NOTE: Each correct selection is worth one point.
Select and Place:

Pmtrainingprep 70-761 exam questions-q7-2

Correct Answer:

Pmtrainingprep 70-761 exam questions-q7-3

Box 1:SELECT CustomerID FROM Sales.Invoices
Box 2:INNER JOIN Sales.Customers.CustomerID = Sales.Invoices.CustomerID
Box 3:WHERE CustomerName LIKE \\’%tim%\\’
Box 4:WHERE ConfirmedReceiveBy IN (SELECT CustomerName FROM Sales.Customers)

QUESTION 8
Note: This question is part of a series of questions that present the same scenario. Each question in the series contains
a unique solution that might meet the stated goals. Some question sets might have more than one correct solution,
while
others might not have a correct solution.
After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not
appear in the review screen.
You are creating indexes in a data warehouse.
You have a dimension table named Table1 that has 10,000 rows. The rows are used to generate several reports.
The reports join a column that is the primary key.
The execution plan contains bookmark lookups for Table1.
You discover that the reports run slower than expected.
You need to reduce the amount of time it takes to run the reports.
Solution: You create a nonclustered index on the primary key column that includes the bookmark lookup columns.
Does this meet the goal?
A. Yes
B. No
Correct Answer: B

QUESTION 9
Note: This question is part of a series of questions that present the same scenario. Each question in the series contains
a unique solution that might meet the stated goals. Some question sets might have more than one correct solution,
while
others might not have a correct solution.
After you answer a question in this section. You will NOT be able to return to it. As a result, these questions will not
appear in the review screen.
You have a table that was created by running the following Transact-SQL statement:

Pmtrainingprep 70-761 exam questions-q9

The Products table includes the data shown in the following table:

Pmtrainingprep 70-761 exam questions-q9-2

TotalUnitPrice is calculated by using the following formula:
TotalUnitPrice = UnitPrice * (UnitsInStock + UnitsOnOrder)
You need to ensure that the value returned for TotalUnitPrice for ProductB is equal to 600.00.
Solution: You run the following Transact-SQL statement:

Pmtrainingprep 70-761 exam questions-q9-3

Does the solution meet the goal?
A. Yes
B. No
Correct Answer: B
The NULL value in the UnitsOnOrder field would cause a runtime error.

QUESTION 10
You have a database named MyDb. You run the following Transact-SQL statements:

Pmtrainingprep 70-761 exam questions-q10

A value of 1 in the IsActive column indicates that a user is active.
You need to create a count for active users in each role. If a role has no active users. You must display a zero as the
active users count.
Which Transact-SQL statement should you run?

Pmtrainingprep 70-761 exam questions-q10-2

 A. B. C. D.
Correct Answer: C

QUESTION 11
Note: This question is part of a series of questions that present the same scenario. Each question in the series contains
a unique solution that might meet the stated goals. Some question sets might have more than one correct solution,
while others might not have a correct solution.
After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not
appear in the review screen.
You have a database named DB1 that contains two tables named Sales.Customers and Sales.Orders.
Sales.Customers has a foreign key relationship to a column named CustomerID in Sales.Orders.
You need to recommend a query that returns all the customers. The query must also return the number of orders that
each customer placed in 2016.
Solution: You recommend the following query:

Pmtrainingprep 70-761 exam questions-q11

Does this meet the goal?
A. Yes
B. No
Correct Answer: B
References: https://docs.microsoft.com/en-us/sql/t-sql/functions/count-transact-sql?view=sql-server-2017

QUESTION 12
Note: This question is part of a series of questions that present the same scenario. Each question in the series contains
a unique solution that might meet the stated goals. Some question sets might have more than one correct solution,
while
others might not have a correct solution.
After you answer a question in this section. You will NOT be able to return to it. As a result, these questions will not
appear in the review screen.
You have a table named Products that stores information about products your company sells. The table has a column
named ListPrice that stores retail pricing information for products.
Some products are used only internally by the company. Records for these products are maintained in the Products
table for inventory purposes. The price for each of these products is $0.00. Customers are not permitted to order these
products.
You need to increase the list price for products that cost less than $100 by 10 percent. You must only increase pricing
for products that customers are permitted to order. Solution: You run the following Transact-SQL statement:

Pmtrainingprep 70-761 exam questions-q12

Does the solution meet the goal?
A. Yes
B. No
Correct Answer: B
Products with a price of $0.00 would also be increased.

QUESTION 13
SIMULATION
You have a database that contains the following tables.

Pmtrainingprep 70-761 exam questions-q13

You need to create a query that lists the highest-performing salespersons based on the current year-to-date sales
period. The query must meet the following requirements:
Return the LastName and SalesYTD for the three salespersons with the highest year-to-date sales values.
Exclude salespersons that have no value for TerritoryID.
Construct the query using the following guidelines:
Use the first letter of a table name as the table alias.
Use two-part column names.
Do not surround object names with square brackets.
Do not use implicit joins.
Use only single quotes for literal text.
Use aliases only if required.

Pmtrainingprep 70-761 exam questions-q13-2

Part of the correct Transact-SQL has been provided in the answer area below. Enter the code in the answer area that
resolves the problem and meets the stated goals or requirements. You can add code within the code that has been
provided as well as below it.
1 SELECT top 3 lastname,salesYTD 2 FROM Person AS p INNER JOIN SalesPerson AS s 3 ON p.PersonID =
s.SalesPersonID 4 WHERE territoryid is null 5 order by salesytd dsec
Use the Check Syntax button to verify your work. Any syntax or spelling errors will be reported by line and character
position.
Correct Answer: Please see
1 SELECT top 3 lastname,salesYTD
2 FROM Person AS p INNER JOIN SalesPerson AS s
3 ON p.PersonID = s.SalesPersonID
4 WHERE territoryid is not null
5 order by salesytd desc
Note:
On line 4 add a not before null.
On line 5 change dsec to desc.

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