// mcsa querying microsoft sql server 2012/2014
MCSA-QUERYING-MICROSOFT-SQL-SERVER-2012-2014
Prepare for the MCSA certification with focused practice on SQL Server querying, designed for database professionals.
28
questions
40
in exam
120m
duration
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Performance Tuningmedium
You have a database application that uses Microsoft SQL Server 2012. You have a query named Query1 that returns four columns from a frequently updated table that has a clustered index. Three of the columns are referenced in the WHERE clause of the query. The three columns are part of a non-clustered index. The fourth column is not referenced in the WHERE clause.
Users report that the application begins to run slowly. You determine that the root cause for the performance issue is Query1.
You need to optimize the statement.
What should you do?
Users report that the application begins to run slowly. You determine that the root cause for the performance issue is Query1.
You need to optimize the statement.
What should you do?
A
Add a HASH hint to the query.
0%
B
Add a LOOP hint to the query.
0%
C
Add a FORCESEEK hint to the query.
0%
D
Add an INCLUDE clause to the index.
0%
04 · coverage
Exam domains
Querying Data25%
3 q
SQL Programming20%
6 q
Database Design20%
4 q
Performance Tuning15%
3 q
Uncategorized43%
12 q
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28 questions
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updated 7h ago·devco · cert
premiummicrosoft● updated 7h ago
MCSA Querying Microsoft SQL Server 2012/2014
Prepare for the MCSA certification with focused practice on SQL Server querying, designed for database professionals.
// OFFICIAL EXAM LOGISTICS
source · microsoft
// PASSING SCORE
750 / 1000· scaled
minimum to pass
75%of scale
// QUESTIONS
40official
// DURATION
120min
// EXAM FEE
165usd
// ITEM TYPES
multiple choice
multiple response
// questions
68in bank
// pass rate
92%self-reported
// last update
7h agoago
// add cadence · 12w
// downloadable pdf bank
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68 questions
// what's inside
- 68 exam-style questions with verified answers
- Every question tagged by domain (4 domains covered)
- A detailed explanation / rationale for every question
// sample · 1 of 28
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#05418500-5287-4fef-893c-3f9fb3797401Performance Tuningmedium
↑ +47· 2 comments· seen 1,284×
You have a database application that uses Microsoft SQL Server 2012. You have a query named Query1 that returns four columns from a frequently updated table that has a clustered index. Three of the columns are referenced in the WHERE clause of the query. The three columns are part of a non-clustered index. The fourth column is not referenced in the WHERE clause.
Users report that the application begins to run slowly. You determine that the root cause for the performance issue is Query1.
You need to optimize the statement.
What should you do?
Users report that the application begins to run slowly. You determine that the root cause for the performance issue is Query1.
You need to optimize the statement.
What should you do?
A
Add a HASH hint to the query.
0%B
Add a LOOP hint to the query.
0%C
Add a FORCESEEK hint to the query.
0%D
Add an INCLUDE clause to the index.
0%E
Add a FORCESCAN hint to the Attach query.
0%F
Add a columnstore index to cover the query.
0%G
Enable the optimize for ad hoc workloads option.
0%H
Cover the unique clustered index with a columnstore index.
0%I
Include a SET FORCEPLAN ON statement before you run the query.
0%J
Include a SET STATISTICS PROFILEON statement before you run the query. K. Include a SET STATISTICS SHOWPLAN_XML ON statement before you run the query. L. Include a SET TRANSACTION ISOLATION LEVEL REPEATABLE READ statement before you run the query. M. Include a SET TRANSACTION ISOLATIONLEVEL SNAPSHOT statement before you run the query. N. Include a SET TRANSACTION ISOLATION LEVEL SERIALIZABLE statement before you run the query.
0%Community converges on D. Official key confirms.
0 votes · last validated recently
// explanation
The nonclustered index already supports the three filtered columns, so adding an INCLUDE clause for the fourth selected column makes the index covering and eliminates costly key lookups to the clustered index on a frequently updated table.
contributed by
N1
@netdiver· revised by @cloud_chris// coverage · 5 domains
What this bank tests.
D125%
Querying Data3 q
D220%
SQL Programming6 q
D320%
Database Design4 q
D415%
Performance Tuning3 q
—43%
Uncategorized12 q
// composition
By format & difficulty.
// by format
89%
11%
single · 25multi · 3
// by difficulty
easy
4· 25%
medium
12· 75%
// contributors · 0 engineers
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Free practice questions are available without payment; anyone can start practicing at no cost.
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What is the passing score?
The official passing mark for this exam is 700.
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How long is the certification valid?
The certification is valid for 3 years. Renew by passing the current version of the exam or completing Microsoft Learn modules.
Q.
What experience is recommended?
At least two years of experience working with SQL Server 2012/2014, including database administration and development.
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