70-762 Exam Collection Materials questions and answers are created by our certified senior experts, which can ensure the high quality and high pass rate. In addition, you will have access to the updates of 70-762 Exam Collection Materials study material for one year after the purchase date. If you choose to buy our 70-762 Exam Collection Materials study pdf torrent, it is no need to purchase anything else or attend extra training. For the online version, unlike other materials that limit one person online, 70-762 Exam Collection Materials learning dumps does not limit the number of concurrent users and the number of online users. You can practice anytime, anywhere, practice repeatedly, practice with others, and even purchase together with others70-762 Exam Collection Materials learning dumps make every effort to help you save money and effort, so that you can pass the exam with the least cost. Getting an authoritative IT certification will make a great difference to your career like 70-762 Exam Collection Materials exam tests.
MCP 70-762 Quickly, the scores will display on the screen.
MCP 70-762 Exam Collection Materials - Developing SQL Databases We promise during the process of installment and payment of our Developing SQL Databases prep torrent, the security of your computer or cellphone can be guaranteed, which means that you will be not afraid of virus intrusion and personal information leakage. You cannot always stay in one place. So the three versions of the Test 70-762 Engine study materials are suitable for different situations.
Don’t hesitate any more. Time and tide wait for no man. Come and buy our 70-762 Exam Collection Materials exam questions!
Microsoft 70-762 Exam Collection Materials - Select Omgzlook is to choose success.
One strong point of our APP online version is that it is convenient for you to use our 70-762 Exam Collection Materials exam dumps even though you are in offline environment. In other words, you can prepare for your 70-762 Exam Collection Materials exam with under the guidance of our 70-762 Exam Collection Materials training materials anywhere at any time. Just take action to purchase we would be pleased to make you the next beneficiary of our 70-762 Exam Collection Materials exam practice. Trust us and you will get what you are dreaming!
Are you a brave person? If you did not do the best preparation for your IT certification exam, can you take it easy? Yes, of course. Because you have Omgzlook's Microsoft 70-762 Exam Collection Materials exam training materials.
70-762 PDF DEMO:
QUESTION NO: 1
You have a reporting application that uses a table named Table1. You deploy a new batch update process to perform updates to Table1.
The environment is configured with the following properties:
* The database is configured with the default isolation setting.
* The application and process use the default transaction handling.
You observe the application cannot access any rows that are in use by the process.
You have the following requirements:
* Ensure the application is not blocked by the process.
* Ensure the application has a consistent view of the data
* Ensure the application does not read dirty data.
You need to resolve the issue and meet the requirements with the least amount of administrative effort.
What should you do?
A. Enable the database for the READ_COMITTED_SNAPSHOT isolation level.
B. Enable the database for the ALLOW_SNAPSHOT_ISOLATION isolation level. Modify the application and the update process for the SNAPSHOT isolation level.
C. Enable the database for the ALLOW_SNAPSHOT_ISOLATION isolation level. Modify the application for the SERIALIZABLE isolation level.
D. Enable the application for the WITH (NOLOCK) hint.
Answer: A
Explanation
Snapshot isolation must be enabled by setting the ALLOW_SNAPSHOT_ISOLATION ON database option before it is used in transactions. This activates the mechanism for storing row versions in the temporary database (tempdb).
READ COMMITTED is the default isolation level for SQL Server. It prevents dirty reads by specifying that statements cannot read data values that have been modified but not yet committed by other transactions. Other transactions can still modify, insert, or delete data between executions of individual statements within the current transaction, resulting in non-repeatable reads, or "phantom" data.
QUESTION NO: 2
You are reviewing the execution plans in the query plan cache. You observe the following:
- There are a large number of single use plans.
- There are a large number of simple execution plans that use multiple CPU cores.
You need to configure the server to optimize query plan execution.
Which two setting should you modify on the properties page for the Microsoft SQL Server instance?
To answer, select the appropriate settings in the answer area.
Answer:
Explanation
* Optimize for ad hoc workloads
The optimize for ad hoc workloads option is used to improve the efficiency of the plan cache for workloads that contain many single use ad hoc batches. When this option is set to 1, the Database
Engine stores a small compiled plan stub in the plan cache when a batch is compiled for the first time, instead of the full compiled plan. This helps to relieve memory pressure by not allowing the plan cache to become filled with compiled plans that are not reused.
* Cost Threshold for Parallelism
Use the cost threshold for parallelism option to specify the threshold at which Microsoft SQL Server creates and runs parallel plans for queries. SQL Server creates and runs a parallel plan for a query only when the estimated cost to run a serial plan for the same query is higher than the value set in cost threshold for parallelism. The cost refers to an estimated elapsed time in seconds required to run the serial plan on a specific hardware configuration.
5 means 5 seconds, but is is 5 seconds on a machine internal to Microsoft from some time in the
1990s.
There's no way to relate it to execution time on your current machine, so we treat it as a pure number now.
Raising it to 50 is a common suggestion nowadays, so that more of your simpler queries run on a single thread.
QUESTION NO: 3
You create tables by using the following Transact-SQL statements:
Each customer may have multiple addresses but only one is the primary address.
You must plan a solution that meets the following requirements:
* Return both customers and address information.
* Return only the primary address of the customer.
* Allow updates of all customer information and address details with the exception of the identity columns and the IsActive column.
Which three actions should you perform is sequence? To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.
Answer:
QUESTION NO: 4
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 Users report that Query1 takes a long time to report results. You run 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. No
B. Yes
Answer: A
Explanation
The query uses the nonclustered index, so improving the clustered index will not help.
We should update statistics for the nonclustered index.
QUESTION NO: 5
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 CLUSTERED INDEX PK_Account ON Account(ProductCode);
Does the solution meet the goal?
A. No
B. Yes
Answer: A
Explanation
We need an index on the productCode column as well.
References: https://msdn.microsoft.com/en-us/library/ms190457.aspx
Therefore, you can trust on our Fortinet NSE5_FSM-6.3 exam materials for this effective simulation function will eventually improve your efficiency and assist you to succeed in the Fortinet NSE5_FSM-6.3 exam. Omgzlook Microsoft Microsoft AZ-305-KR exam training materials is the best choice to help you pass the exam. All you have to do is to pay a small fee on our Huawei H19-431_V1.0 practice materials, and then you will have a 99% chance of passing the exam and then embrace a good life. And you must not miss the opportunity to pass EMC D-CS-DS-23 test successfully. Considering your practical constraint and academic requirements of the Dell D-AX-DY-A-00 exam preparation, you may choose the Dell D-AX-DY-A-00 practice materials with following traits.
Updated: May 28, 2022