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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.

You create a table named Products by running the following Transact-SQL statement:

You have the following stored procedure:

You need to modify the stored procedure to meet the following new requirements:

Insert product records as a single unit of work.

Return error number 51000 when a product fails to insert into the database.

If a product record insert operation fails, the product information must not be permanently written to the database.

Solution: You run the following Transact-SQL statement:

Does the solution meet the goal?

A. Yes

B. No

Correct Answer: A

If the INSERT INTO statement raises an error, the statement will be caught and an error 51000 will be thrown. In this case no records will have been inserted.

Note:

You can implement error handling for the INSERT statement by specifying the statement in a TRY…CATCH construct.

If an INSERT statement violates a constraint or rule, or if it has a value incompatible with the data type of the column, the statement fails and an error message is returned.

References: https://msdn.microsoft.com/en-us/library/ms174335.aspx


Question 2:

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 create a table named Customer by running the following Transact-SQL statement:

You must insert the following data into the Customer table:

You need to ensure that both records are inserted or neither record is inserted. Solution: You run the following Transact-SQL statement:

Does the solution meet the goal?

A. Yes

B. No

Correct Answer: B

As there are two separate INSERT INTO statements we cannot ensure that both or neither records are inserted.


Question 3:

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 create a table named Customer by running the following Transact-SQL statement:

You must insert the following data into the Customer table:

You need to ensure that both records are inserted or neither record is inserted. Solution: You run the following Transact-SQL statement:

Does the solution meet the goal?

A. Yes

B. No

Correct Answer: B

As there are two separate INSERT INTO statements we cannot ensure that both or neither records are inserted.


Question 4:

You need to create an indexed view that requires logic statements to manipulate the data that the view displays. Which two database objects should you use? Each correct answer presents a complete solution.

A. a user-defined table-valued function

B. a CRL function

C. a stored procedure

D. a user-defined scalar function

Correct Answer: AC

You can create a database object inside an instance of SQL Server that is programmed in an assembly created in the Microsoft .NET Framework common language runtime (CLR). Database objects that can leverage the rich programming model provided by the common language runtime include aggregate functions, functions, stored procedures, triggers, and types.


Question 5:

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 create a table by running the following Transact-SQL statement:

You need to return normalized data for all customers that were added in the year 2014. Which Transact-SQL statement should you run?

A.

B. C. D. E. F. G. H.

Correct Answer: G

The following query searches for row versions for Employee row with EmployeeID = 1000 that were active at least for a portion of period between 1st January of 2014 and 1st January 2015 (including the upper boundary):

SELECT * FROM Employee

FOR SYSTEM_TIME

BETWEEN \’2014-01-01 00:00:00.0000000\’ AND \’2015-01-01 00:00:00.0000000\’

WHERE EmployeeID = 1000ORDER BY ValidFrom;

References: https://msdn.microsoft.com/en-us/library/dn935015.aspx


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Question 6:

You are building a stored procedure that will update data in a table named Table1 by using a complex query as the data source.

You need to ensure that the SELECT statement in the stored procedure meets the following requirements:

Data being processed must be usable in several statements in the stored procedure.

Data being processed must contain statistics.

What should you do?

A. Update Table1 by using a common table expression (CTE).

B. Insert the data into a temporary table, and then update Table1 from the temporary table.

C. Place the SELECT statement in a derived table, and then update Table1 by using a JOIN to the derived table.

D. Insert the data into a table variable, and then update Table1 from the table variable.

Correct Answer: B

Temp Tables… Are real materialized tables that exist in tempdb Have dedicated stats generated by the engine Can be indexed Can have constraints Persist for the life of the current CONNECTION Can be referenced by other queries or subproce Incorrect Answers:

A: CTEs do not have dedicated stats. They rely on stats on the underlying objects

C: Unlike a derived table, a CTE can be self-referencing and can be referenced multiple times in the same query.

References: https://technet.microsoft.com/en-us/library/ms190766(v=sql.105).aspx https://dba.stackexchange.com/questions/13112/whats-the-difference-between-a-cte-and-a-temp-table


Question 7:

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 several connected tables. The tables contain sales data for customers in the United States only.

You have the following partial query for the database. (Line numbers are included for reference only.)

You need to complete the query to generate the output shown in the following table.

Which statement clause should you add at line 3?

A. GROUP BY

B. MERGE

C. GROUP BY ROLLUP

D. LEFT JOIN

E. GROUP BY CUBE

F. CROSS JOIN

G. PIVOT

H. UNPIVOT

Correct Answer: E

Example of GROUP BY CUBE result set:

In the following example, the CUBE operator returns a result set that has one grouping for all possible combinations of columns in the CUBE list and a grand total grouping.

References: https://technet.microsoft.com/en-us/library/bb522495(v=sql.105).aspx


Question 8:

You create a table by running the following Transact-SQL statement:

You need to view all customer data.

Which Transact-SQL statement should you run?

A. B. C. D. E. F. G. H.

Correct Answer: B

The FOR SYSTEM_TIME ALL clause returns all the row versions from both the Temporal and History table. References: https://msdn.microsoft.com/en-us/library/dn935015.aspx


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 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 hash index on the primary key column.

Does this meet the goal?

A. Yes

B. No

Correct Answer: B

Reference: https://msdn.microsoft.com/en-us/library/dn133190.aspx


Question 10:

You have a database that includes the tables shown in the exhibit. (Click the exhibit button.)

You need to create a list of all customers and the date that the customer placed their last order. For customers who have not placed orders, you must substitute 01/01/1990 for the date. Which Transact-SQL statement should you run?

A. B. C. D.

Correct Answer: A


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