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Microsoft 70-458 Exam Syllabus Topics:

Microsoft Transition Your MCTS on SQL Server 2008 to MCSA: SQL Server 2012, Part 2 Sample Questions:

1. You administer a Microsoft SQL Server 2012 server. You plan to deploy new features to an application.
You need to evaluate existing and potential clustered and non-clustered indexes that will improve performance.
What should you do?

A) Use the Database Engine Tuning Advisor.
B) Query the sys.dm_db_missing_index_details DMV.
C) Query the sys.dm_db_missing_index_columns DMV.
D) Query the sys.dm_db_index_usage_stats DMV.

2. You are developing a SQL Server Integration Services (SSIS) package to implement an incremental data load strategy. The package reads data from a source system that uses the SQL Server change data capture (CDC) feature.
You have added a CDC Source component to the data flow to read changed data from the source system.
You need to add a data flow transformation to redirect rows for separate processing of insert, update, and delete operations.
Which data flow transformation should you use?

A) Audit
B) Merge
C) Pivot
D) CDC Splitter

3. You are developing a SQL Server Integration Services (SSIS) package.
The package uses a data flow task to source data from a SQL Server database for loading into a dimension table in a data warehouse.
You need to create a separate data flow path for data that has been modified since it was last processed.
Which data flow components should you use to identify modified data? (Each correct answer presents a complete solution. Choose all that apply.)

A) Data Conversion
B) Lookup
C) Aggregate
D) Multicast
E) Slowly Changing Dimension

4. You are designing a data warehouse with two fact tables. The first table contains sales per
month and the second table contains orders per day.
Referential integrity must be enforced declaratively.
You need to design a solution that can join a single time dimension to both fact tables.
What should you do?

A) Create a time mapping table.
B) Join the two fact tables.
C) Merge the fact tables.
D) Create a time dimension that can join to both fact tables at their respective granularity.

5. Note: This question is part of a series of questions that use the same set of answer choices. An answer choice may be correct for more than one question in the series.
You administer a SQL Server 2012 server that contains a database named SalesDb. SalesDb contains a schema named Customers that has a table named Regions. A user named userA is a member of a role named Sales.
UserA is granted the Select permission on the Regions table and the Sales role is granted the Select permission on the Customers schema.
You need to ensure that the Sales role, including userA, is disallowed to select from the Regions table.
Which Transact-SQL statement should you use?

A) REVOKE SELECT ON Schema::Customers FROM Sales
B) EXEC sp_addrolemember 'Sales', 'UserA'
C) DENY SELECT OH Schema::Customers FROM Sales
D) DENY SELECT ON Object::Regions FROM UserA
E) DENY SELECT ON Schema::Customers FROM UserA
F) REVOKE SELECT ON Object::Regions FROM UserA
G) REVOKE SELECT ON Object::Regions FROM Sales
H) REVOKE SELECT ON Schema::Customers FROM UserA
I) EXEC sp_droprolemember 'Sales', 'UserA'
J) DENY SELECT ON Object::Regions FROM Sales

Solutions: