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2018-8-9 Braindump2go Microsoft 70-762 Exam Dumps with PDF and VCE New Updated! Following are some new 70-762 Real Exam Questions:

QUESTION 75
Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution. Determine whether the solution meets the stated goals.
You have a database that contains a table named Employees. The table stores information about the employees of your company.
You need to implement and enforce the following business rules:
- Limit the values that are accepted by the Salary column.
- Prevent salaries less than $15,000 and greater than $300,000 from being entered.
- Determine valid values by using logical expressions.
- Do not validate data integrity when running DELETE statements.
Solution: You implement cascading referential integrity constraints on the table.
Does the solution meet the goal?


A. Yes
B. No


Answer: A

QUESTION 76
Note: This question is part of a series of questions that present the same scenario. Each question in this series contains a unique solution. Determine whether the solution meets the stated goals.
The Account table was created by using the following Transact-SQL statement:

There are more than 1 billion records in the Account table. The Account Number column uniquely identifies each account. The ProductCode column has 100 different values. The values are evenly distributed in the table. Table statistics are refreshed and up to date.
You frequently run the following Transact-SQL SELECT statements:

You must avoid table scans when you run the queries.
You need to create one or more indexes for the table.
Solution: You run the following Transact-SQL statement:
CREATE NONCLUSTERED INDEX IX_Account_ProductCode ON Account(ProductCode);
Does the solution meet the goal?


A. Yes
B. No


Answer: A

QUESTION 77
Note: This question is part of a series of questions that present the same scenario. Each question in this series contains a unique solution. Determine whether the solution meets the stated goals.
You are developing a new application that uses a stored procedure. The stored procedure inserts thousands of records as a single batch into the Employees table.
Users report that the application response time has worsened since the stored procedure was updated. You examine disk-related performance counters for the Microsoft SQL Server instance and observe several high values that include a disk performance issue. You examine wait statistics and observe an unusually high WRITELOG value.
You need to improve the application response time.
Solution: You update the application to use implicit transactions when connecting to the database.
Does the solution meet the goal?


A. Yes
B. No


Answer: B

QUESTION 78
Note: This question is part of a series of questions that present the same scenario. Each question in this series contains a unique solution. Determine whether the solution meets the stated goals.
You are developing a new application that uses a stored procedure. The stored procedure inserts thousands of records as a single batch into the Employees table.
Users report that the application response time has worsened since the stored procedure was updated. You examine disk-related performance counters for the Microsoft SQL Server instance and observe several high values that include a disk performance issue. You examine wait statistics and observe an unusually high WRITELOG value.
You need to improve the application response time.
Solution: You add a unique clustered index to the Employees table.
Does the solution meet the goal?


A. Yes
B. No


Answer: A

QUESTION 79
Note: This question is part of a series of questions that present the same scenario. Each question in this series contains a unique solution. Determine whether the solution meets the stated goals.
You are developing a new application that uses a stored procedure. The stored procedure inserts thousands of records as a single batch into the Employees table.
Users report that the application response time has worsened since the stored procedure was updated. You examine disk-related performance counters for the Microsoft SQL Server instance and observe several high values that include a disk performance issue. You examine wait statistics and observe an unusually high WRITELOG value.
You need to improve the application response time.
Solution: You replace the stored procedure with a user-defined function.
Does the solution meet the goal?


A. Yes
B. No


Answer: B

QUESTION 80
Note: This question is part of a series of questions that use the same 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 are developing an application to track customer sales. You create tables to support the application. You need to create a database object that meets the following data entry requirements:

What should you create?


A. extended procedure
B. CLR procedure
C. user-defined procedure
D. DML trigger
E. DDL trigger
F. scalar-valued function
G. table-valued function


Answer: C

QUESTION 81
You are experiencing performance issues with the database server. You need to evaluate schema locking issues, plan cache memory pressure points, and backup I/O problems.
What should you create?


A. a System Monitor report
B. a sys.dm_tran_database_transaction dynamic management view query
C. an Extended Events session that uses Query Editor
D. an Activity Monitor session in Microsoft SQL Management Studio.


Answer: D


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December/2018 Braindump2go 70-762 Exam Dumps with PDF and VCE New Updated Today! Following are some new 70-762 Real Exam Questions:

QUESTION 121
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 questions 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 that is 130 GB and contains 500 million rows of data.
Granular transactions and mass batch data imports change the database frequently throughout the day. Microsoft SQL Server Reporting Services (SSRS) uses the database to generate various reports by using several filters.
You discover that some reports time out before they complete.
You need to reduce the likelihood that the reports will time out.
Solution: You increase the number of log files for the database. You store the log files across multiple disks.
Does this meet the goal?


A. Yes
B. No


Answer: B
Explanation:



QUESTION 123
Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution. Determine whether the solution meets the stated goals.
You have a table that has a clustered index and a nonclustered index. The indexes use different columns from the table. You have a query named Query1 that uses the nonclustered index.
Users report that Query1 takes a long time to report results. You run Query1 and review the following statistics for an index seek operation:

You need to resolve the performance issue.
Solution: You rebuild the clustered index.
Does the solution meet the goal?


A. Yes
B. No


Answer: B
Explanation:


QUESTION 124
You need to create a view that can be indexed.
You write the following statement.

What should you add at line 02?


A. with check_option
B. with recompile
C. with view_metadata
D. with schemabinding


Answer: D
Explanation:


QUESTION 125
You have a nonpartitioned table that has a single dimension. The table is named dim.Products.Projections.
The table is queried frequently by several line-of-business applications. The data is updated frequently throughout the day by two processes.
Users report that when they query data from dim.Products.Projections, the responses are slower than expected. The issue occurs when a large number of rows are being updated.
You need to prevent the updates from slowing down the queries.
What should you do?


A. Use the NOLOCK option.
B. Execute the DBCC UPDATEUSAGE statement.
C. Use the max worker threads option.
D. Use a table-valued parameter.
E. Set SET ALLOW_SNAPSHOT_ISOLATION to ON.


Answer: A
Explanation:


QUESTION 126
Your company runs end-of-the-month accounting reports. While the reports run, other financial records are updated in the database.
Users report that the reports take longer than expected to run.
You need to reduce the amount of time it takes for the reports to run. The reports must show committed data only.
What should you do?


A. Use the NOLOCK option.
B. Execute the DBCC UPDATEUSAGE statement.
C. Use the max worker threads option.
D. Use a table-valued parameter.
E. Set SET ALLOW_SNAPSHOT_ISOLATION to ON.
F. Set SET XACT_ABORT to ON.
G. Execute the ALTER TABLE T1 SET (LOCK_ESCALATION = AUTO); statement.
H. Use the OUTPUT parameters.


Answer: E
Explanation:


QUESTION 127
You have several real-time applications that constantly update data in a database. The applications run more than 400 transactions per second that insert and update new metrics from sensors.
A new web dashboard is released to present the data from the sensors. Engineers report that the applications take longer than expected to commit updates.
You need to change the dashboard queries to improve concurrency and to support reading uncommitted data.
What should you do?


A. Use the NOLOCK option.
B. Execute the DBCC UPDATEUSAGE statement.
C. Use the max worker threads option.
D. Use a table-valued parameter.
E. Set SET ALLOW_SNAPSHOT_ISOLATION to ON.
F. Set SET XACT_ABORT to ON.
G. Execute the ALTER TABLE T1 SET (LOCK_ESCALATION = AUTO); statement.
H. Use the OUTPUT parameters.


Answer: A
Explanation:


QUESTION 128
You have multiple stored procedures inside a transaction.
You need to ensure that all the data modified by the transaction is rolled back if a stored procedure causes a deadlock or times out.
What should you do?


A. Use the NOLOCK option.
B. Execute the DBCC UPDATEUSAGE statement.
C. Use the max worker threads option.
D. Use a table-valued parameter.
E. Set SET ALLOW_SNAPSHOT_ISOLATION to ON.
F. Set SET XACT_ABORT to ON.
G. Execute the ALTER TABLE T1 SET (LOCK_ESCALATION = AUTO); statement.
H. Use the OUTPUT parameters.


Answer: F
Explanation:


QUESTION 129
You run the following Transact-SQL statements:

Records must only be added to the Orders table by using the view. If a customer name does not exist, then a new customer name must be created.
You need to ensure that you can insert rows into the Orders table by using the view.


A. Add the CustomerID column from the Orders table and the WITH CHECK OPTION statement to the view.
B. Create an INSTEAD OF trigger on the view.
C. Add the WITH SCHEMABINDING statement to the view statement and create a clustered index on the view.
D. Remove the subquery from the view, add the WITH SCHEMABINDING statement, and add a trigger to the Orders table to perform the required logic.


Answer: A
Explanation:


QUESTION 130
You run the following Transact-SQL statement:

There are multiple unique OrderID values. Most of the UnitPrice values for the same OrderID are different.
You need to create a single index seek query that does not use the following operators:
Nested loop
Sort
Key lookup
Which Transact-SQL statement should you run?


A. CREATE INDEX IX_OrderLines_1 ON OrderLines (OrderID, UnitPrice) INCLUDE (Description, Quantity)
B. CREATE INDEX IX_OrderLines_1 ON OrderLines (OrderID, UnitPrice) INCLUDE (Quantity)
C. CREATE INDEX IX_OrderLines_1 ON OrderLines (OrderID, UnitPrice, Quantity)
D. CREATE INDEX IX_OrderLines_1 ON OrderLines (UnitPrice, OrderID) INCLUDE (Description, Quantity)


Answer: A
Explanation:


QUESTION 131
You are developing an ETL process to cleanse and consolidate incoming data. The ETL process will use a reference table to identify which data must be cleansed in the target table. The server that hosts the table restarts daily.
You need to minimize the amount of time it takes to execute the query and the amount of time it takes to populate the reference table.
What should you do?


A. Convert the target table to a memory-optimized table. Create a natively compiled stored procedure to cleanse and consolidate the data.
B. Convert the reference table to a memory-optimized table. Set the DURABILITY option to SCHEMA_AND_DATA.
C. Create a native compiled stored procedure to implement the ETL process for both tables.
D. Convert the reference table to a memory-optimized table. Set the DURABILITY option to SCHEMA_ONLY.


Answer: D
Explanation:


QUESTION 132
You are designing a stored procedure for a database named DB1.
The following requirements must be met during the entire execution of the stored procedure:
- The stored procedure must only read changes that are persisted to the database.
- SELECT statements within the stored procedure should only show changes to the data that are made by the stored procedure.
You need to configure the transaction isolation level for the stored procedure.
Which Transact-SQL statement or statements should you run?


A. SET TRANSACTION ISOLATION LEVEL READ UNCOMMITED
ALTER DATABASE DB1 SET READ_COMMITED_SNAPSHOT ON
B. SET TRANSACTION ISOLATION LEVEL READ COMMITED
ALTER DATABASE DB1 SET READ_COMMITED_SNAPSHOT OFF
C. SET TRANSACTION ISOLATION LEVEL SERIALIZABLE
D. SET TRANSACTION ISOLATION LEVEL READ UNCOMMITED
ALTER DATABASE SET READ_COMMITED_SNAPSHOT OFF


Answer: B
Explanation:


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