Please feel free to contact us if you have any problems. Our 70-762 Exam Dumps Provider learning question can provide you with a comprehensive service beyond your imagination. 70-762 Exam Dumps Provider exam guide has a first-class service team to provide you with 24-hour efficient online services. Once our 70-762 Exam Dumps Provider test questions are updated, our system will send the message to our customers immediately. If you use our 70-762 Exam Dumps Provider exam prep, you will have the opportunity to enjoy our updating system. Good chances are few.
MCP 70-762 Omgzlook is a professional website.
Besides, we arranged our 70-762 - Developing SQL Databases Exam Dumps Provider exam prep with clear parts of knowledge. If you have any questions about the exam, Omgzlook the Microsoft Exam 70-762 Simulator Online will help you to solve them. Within a year, we provide free updates.
As a responsible company over ten years, we are trustworthy. In the competitive economy, this company cannot remain in the business for long. But we keep being the leading position in contrast.
Actually, Microsoft 70-762 Exam Dumps Provider exam really make you anxious.
After our unremitting efforts, 70-762 Exam Dumps Provider learning guide comes in everybody's expectation. Our professional experts not only have simplified the content and grasp the key points for our customers, but also recompiled the 70-762 Exam Dumps Provider preparation materials into simple language so that all of our customers can understand easily no matter which countries they are from. In such a way, you will get a leisure study experience as well as a doomed success on your coming 70-762 Exam Dumps Provider exam.
Every version of 70-762 Exam Dumps Provider study materials that we provide to you has its own advantage: the PDF version has no equipment limited, which can be read anywhere; the online version can use on any electronic equipment there is network available; the software version can simulate the real 70-762 Exam Dumps Provider exam environment to let you have more real feeling to 70-762 Exam Dumps Provider real exam, besides the software version can be available installed on unlimited number devices.
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 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: 3
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: 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 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
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. 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.
By passing the exams multiple times on practice test software, you will be able to pass the real CompTIA CAS-005 test in the first attempt. EXIN SIAMP - Besides, you will enjoy the money refund policy in case of failure. To make sure your situation of passing the certificate efficiently, our Axis Communications CTS study materials are compiled by first-rank experts. Our Lpi 303-300 free demo is available for all of you. First of all, our Microsoft PL-400 study dumps cover all related tests about computers.
Updated: May 28, 2022