Ali Naemi

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NEW QUESTION 101
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

NEW QUESTION 102
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

NEW QUESTION 103
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

NEW QUESTION 104
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

NEW QUESTION 105
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 create a file group for the indexes and a file group for the data files. You store the files for each file group on separate disks.
Does this meet the goal?

A. Yes
B. No

Answer: A

NEW QUESTION 106
You have a 3-TB database. The database server has 64 CPU cores. You plan to migrate the database to Microsoft Azure SQL Database. You need to select the service tier for the Azure SQL database. The solution must meet or exceed the current processing capacity.
Solution: You select the Premium service tier.
Does this meet the goal?

A. Yes
B. No

Answer: A

NEW QUESTION 107
You suspect deadlocks on a database. Which two trace flags in the Microsoft SQL Server error log should you locate? (Each correct answer presents part of the solution. Choose two.)

A. 1204
B. 1211
C. 1222
D. 2528
E. 3205

Answer: AC

NEW QUESTION 108
You are creating the following two stored procedures:
- A natively-compiled stored procedure
- An interpreted stored procedure that accesses both disk-based and memory-optimized tables
Both stored procedures run within transactions. You need to ensure that cross-container transactions are possible. Which setting or option should you use?

A. the SET TRANSACTION_READ_COMMITTED isolation level for the connection
B. the SERIALIZABLE table hint on disk-based tables
C. the SET MEMORY_OPTIMIZED_ELEVATE_TO_SNAPSHOT=ON option for the database
D. the SET MEMORY_OPTIMIZED_ELEVATE_TO_SNAPSHOT=OFF option for the database

Answer: C
Explanation:
Provide a supported isolation level for the memory-optimized table using a table hint, such as WITH (SNAPSHOT). The need for the WITH (SNAPSHOT) hint can be avoided through the use of the database option MEMORY_OPTIMIZED_ELEVATE_TO_SNAPSHOT. When this option is set to ON, access to a memory-optimized table under a lower isolation level is automatically elevated to SNAPSHOT isolation.
Incorrect:
Not B: Accessing memory optimized tables using the READ COMMITTED isolation level is supported only for autocommit transactions. It is not supported for explicit or implicit transactions.

NEW QUESTION 109
You are developing a database reporting solution for a table that contains 900 million rows and is 103 GB. The table is updated thousands of times a day, but data is not deleted. The SELECT statements vary in the number of columns used and the amount of rows retrieved. You need to reduce the amount of time it takes to retrieve data from the table. The must prevent data duplication. Which indexing strategy should you use?

A. a nonclustered index for each column in the table
B. a clustered columnstore index for the table
C. a hash index for the table
D. a clustered index for the table and nonclustered indexes for nonkey columns

Answer: B

NEW QUESTION 110
You are developing an application to track customer sales. You need to create a database object that meets the following requirements:
- Launch when table data is modified.
- Evaluate the state a table before and after a data modification and take action based on the difference.
- Prevent malicious or incorrect table data operations.
- Prevent changes that violate referential integrity by cancelling the attempted data modification.
- Run managed code packaged in an assembly that is created in the Microsoft.NET Framework and located into Microsoft SQL Server.
What should you create?

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

Answer: B

NEW QUESTION 111
Drag and Drop
You need to implement triggers to automate responses to the following events:
- SQL Server logons
- Database schema changes
- Database updates
Which trigger types should you use? (To answer, drag the appropriate trigger types to the appropriate scenarios. Each trigger type 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.)



Answer:


NEW QUESTION 112
Hotspot
You have a table named Person.Address that includes the following columns:
- AddressID
- AddressLine1
- AddressLine2
- City
- StateProvinceID
- PostakCode
- RowGuid
- ModifiedDate
You need to create a nonclustered index on PostalCode named IX_Address_PostalCode that uses the following included columns:
- AddressLine1
- AddressLine2
- City
- StateProvinceID
How should you complete the Transact-SQL statement? (To answer, select the appropriate Transact_SQL segments in the answer are.)



Answer:


NEW QUESTION 113
......

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Last edited:

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Ali Naemi

Member
Member
The new 70-762 dumps (Dec/2018 Updated) now are available, here are part of 70-762 exam questions (FYI):

[Get the download link at the end of this post]

NEW QUESTION 121
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:
Instead, create a file group for the indexes and a file group for the data files.

NEW QUESTION 122
You have a database that contains the following tables: BlogCategory, BlogEntry, ProductReview, Product, and SalesPerson. The tables were created using the following Transact SQL statements:

You must modify the ProductReview Table to meet the following requirements:
- The table must reference the ProductID column in the Product table.
- Existing records in the ProductReview table must not be validated with the Product table.
- Deleting records in the Product table must not be allowed if records are referenced by the ProductReview table.
- Changes to records in the Product table must propagate to the ProductReview table.
You also have the following database tables: Order, ProductTypes, and SalesHistory. The transact-SQL statements for these tables are not available. You must modify the Orders table to meet the following requirements:
- Create new rows in the table without granting INSERT permissions to the table.
- Notify the sales person who places an order whether or not the order was completed.
You must add the following constraints to the SalesHistory table:
- A constraint on the SaleID column that allows the field to be used as a record identifier.
- A constant that uses the ProductID column to reference the Product column of the ProductTypes table.
- A constraint on the CategoryID column that allows one row with a null value in the column.
- A constraint that limits the SalePrice column to values greater than four.
- Finance department users must be able to retrieve data from the SalesHistory table for sales persons where the value of the SalesYTD column is above a certain threshold.
You plan to create a memory-optimized table named SalesOrder. The table must meet the following requirements:
- The table must hold 10 million unique sales orders.
- The table must use checkpoints to minimize I/O operations and must not use transaction logging.
- Data loss is acceptable.
Performance for queries against the SalesOrder table that use WHERE clauses with exact equality operations must be optimized. You need to modify the environment to meet the requirements for the Orders table. What should you create?

A. an AFTER UPDATE trigger
B. a user-defined function
C. a stored procedure with output parameters
D. an INSTEAD OF INSERT trigger

Answer: D

NEW QUESTION 123
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:
The query uses the nonclustered index, so improving the clustered index will not help. We should update statistics for the nonclustered index.

NEW 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

NEW 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

NEW 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

NEW 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

NEW 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

NEW 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. What should you do?

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

NEW 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

NEW QUESTION 131
......

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