We Promise we will very happy to answer your question on our 070-762 Test Test exam braindumps with more patience and enthusiasm and try our utmost to help you out of some troubles. So don’t hesitate to buy our {Examcode} study materials, we will give you the high-quality product and professional customer services. As long as you study with our070-762 Test Test learning guide, you will be sure to get your dreaming certification. And our 070-762 Test Test learning guide contains the most useful content and keypoints which will come up in the real exam. Even you have no basic knowledge about the 070-762 Test Test study materials. Nowadays, using computer-aided software to pass the 070-762 Test Test exam has become a new trend.
MCP 070-762 The reality is often cruel.
We are so proud to tell you that according to the statistics from our customers’ feedback, the pass rate among our customers who prepared for the exam with our 070-762 - Developing SQL Databases Test Test test guide have reached as high as 99%, which definitely ranks the top among our peers. A good learning platform should not only have abundant learning resources, but the most intrinsic things are very important, and the most intuitive things to users are also indispensable. The 070-762 Exam Testking test material is professional editorial team, each test product layout and content of proofreading are conducted by experienced professionals who have many years of rich teaching experiences, so by the editor of fine typesetting and strict check, the latest 070-762 Exam Testking exam torrent is presented to each user's page is refreshing, but also ensures the accuracy of all kinds of learning materials is extremely high.
So we take this factor into consideration, develop the most efficient way for you to prepare for the 070-762 Test Test exam, that is the real questions and answers practice mode, firstly, it simulates the real Developing SQL Databases test environment perfectly, which offers greatly help to our customers. Secondly, it includes printable PDF Format, also the instant access to download make sure you can study anywhere and anytime. All in all, high efficiency of 070-762 Test Test exam material is the reason for your selection.
Microsoft 070-762 Test Test - You will never come across system crashes.
The content system of 070-762 Test Test exam simulation is constructed by experts. After-sales service of our study materials is also provided by professionals. If you encounter some problems when using our 070-762 Test Test study materials, you can also get them at any time. After you choose 070-762 Test Test preparation questions, professional services will enable you to use it in the way that suits you best, truly making the best use of it, and bringing you the best learning results.
When the interface displays that you have successfully paid for our 070-762 Test Test study materials, our specific online sales workers will soon deal with your orders. You will receive the 070-762 Test Test study materials no later than ten minutes.
070-762 PDF DEMO:
QUESTION NO: 1
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: 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. 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: 3
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: 4
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
QUESTION NO: 5
Database users report that SELECT statements take a long time to return results. You run the following Transact-SQL statement:
You need to create one nonclustered covering index that contains all of the columns in the above table. You must minimize index key size.
Which Transact-SQL statement should you run?
A. CREATE NONCLUSTERED INDEX IX_User ON Users (UserStatus, CountryCode) INCLUDE
(UserName);
B. CREATE NONCLUSTERED INDEX IX_User ON Users (CountryCode, UserStatus, UserName);
C. CREATE NONCLUSTERED INDEX IX_User ON Users (CountryCode, UserStatus) INCLUDE
(UserName);
D. CREATE NONCLUSTERED INDEX IX_User ON Users (CountryCode, UserName);
Answer: C
Explanation
https://docs.microsoft.com/en-us/sql/relational-databases/indexes/create-indexes-with-included- columns
As long as you study with our VMware 5V0-63.23 exam braindumps for 20 to 30 hours that we can claim that you will pass the exam for sure. Salesforce CRT-251 - These professional knowledge will become a springboard for your career, help you get the favor of your boss, and make your career reach it is peak. How much time do you think it takes to pass an exam? Our Microsoft PL-300 learning materials can assure you that you only need to spend twenty to thirty hours to pass the exam. We can be sure that with the professional help of our Huawei H31-311_V2.5 test guide you will surely get a very good experience. So our Network Appliance NS0-700 exam questions would be an advisable choice for you.
Updated: May 28, 2022