Omgzlook enjoys the reputation of a reliable study material provider to those professionals who are keen to meet the challenges of industry and work hard to secure their positions in it. If you are preparing for a 70-762 Exam certification test, the 70-762 Exam exam dumps from Omgzlook can prove immensely helpful for you in passing your desired 70-762 Exam exam. If you prepare with our 70-762 Exam actual exam for 20 to 30 hours, the 70-762 Exam exam will become a piece of cake in front of you. Not only you will find that to study for the exam is easy, but also the most important is that you will get the most accurate information that you need to pass the 70-762 Exam exam. Once you purchase our 70-762 Exam study dumps, we will send to your mailbox within 5-10 minutes, if there are some problem, please contact with us.
MCP 70-762 Moreover, we have Demos as freebies.
With our 70-762 - Developing SQL Databases Exam study materials, you can have different and pleasure study experience as well as pass 70-762 - Developing SQL Databases Exam exam easily. If you decide to buy our High 70-762 Quality test guide, the online workers of our company will introduce the different function to you. You will have a deep understanding of the three versions of our High 70-762 Quality exam questions.
As we will find that, get the test 70-762 Exam certification, acquire the qualification of as much as possible to our employment effect is significant. But how to get the test 70-762 Exam certification didn't own a set of methods, and cost a lot of time to do something that has no value. With our 70-762 Exam exam Practice, you will feel much relax for the advantages of high-efficiency and accurate positioning on the content and formats according to the candidates’ interests and hobbies.
Microsoft 70-762 Exam - Our users are willing to volunteer for us.
In order to meet a wide range of tastes, our company has developed the three versions of the 70-762 Exam preparation questions, which includes PDF version, online test engine and windows software. According to your own budget and choice, you can choose the most suitable one for you. And if you don't know which one to buy, you can free download the demos of the 70-762 Exam study materials to check it out. The demos of the 70-762 Exam exam questions are a small part of the real exam questions.
The key trait of our product is that we keep pace with the changes of syllabus and the latest circumstance to revise and update our 70-762 Exam study materials, and we are available for one-year free updating to assure you of the reliability of our service. Our company has established a long-term partnership with those who have purchased our 70-762 Exam exam guides.
70-762 PDF DEMO:
QUESTION NO: 1
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
QUESTION NO: 2
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: 3
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 independent of the other questions in this series. Information and details provided in a question apply only to that question.
You are a database developer for a company. The company has a server that has multiple physical disks. The disks are not part of a RAID array. The server hosts three Microsoft SQL Server instances.
There are many SQL jobs that run during off-peak hours.
You must monitor the SQL Server instances in real time and optimize the server to maximize throughput, response time, and overall SQL performance.
You need to create a baseline set of metrics to report how the computer running SQL Server operates under normal load. The baseline must include the resource usage associated with the server processes.
What should you do?
A. Create a SQL Profiler trace.
B. Create a sp_configure 'max server memory' query.
C. Create a sys.dm_os_memory_objects query.
D. Create a Performance Monitor Data Collector Set.
E. Create asys.dm_os_wait_stats query.
F. Create an Extended Event.
G. Create a sys.dm_os_waiting_tasks query.
H. Create a sys.dm_exec_sessions query.
Answer: C
Explanation
sys.dm_os_memory_objects returns memory objects that are currently allocated by SQL Server. You can usesys.dm_os_memory_objects to analyze memory use and to identify possible memory leaks.
Example: The following example returns the amount of memory allocated by each memory object type.
SELECT SUM (pages_in_bytes) as 'Bytes Used', type
FROMsys.dm_os_memory_objects
GROUP BY type
ORDER BY 'Bytes Used' DESC;
GO
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 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 need to collect data from the following two sources:
* The performance counters of the operating system
* Microsoft SQL Server events
You must analyze the two datasets side-by side by using a single tool.
Solution: You use dynamic management views and SQL Server Profiler to collect performance data.
You use SQL Server Management Studio (SSMS) to analyze the data.
Does this meet the goal?
A. No
B. Yes
Answer: B
In order to provide a convenient study method for all people, our company has designed the online engine of the Microsoft DP-203 study practice dump. And our CompTIA 220-1102 study materials always contain the latest exam Q&A. Also, from an economic point of view, our Developing SQL Databases exam dumps is priced reasonable, so the Huawei H12-621_V1.0 test material is very responsive to users, user satisfaction is also leading the same products. The characteristic that three versions of Huawei H13-511_V5.5 exam torrent all have is that they have no limit of the number of users, so you don’t encounter failures anytime you want to learn our Huawei H13-511_V5.5 quiz guide. Juniper JN0-223 - In today's rapid economic development, society has also put forward higher and higher requirements for us.
Updated: May 28, 2022