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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 develop a SQL Server Integration Services (SSIS) package that imports Windows Azure SQL Database data into a data warehouse every night.
The Windows Azure SQL Database data contains many misspellings and variations of abbreviations. To import the data, a developer used the Fuzzy Lookup transformation to choose the closest-matching string from a reference table of allowed values. The number of rows in the reference table is very large.
If no acceptable match is found, the Fuzzy Lookup transformation passes a null value. The current setting for the Fuzzy Lookup similarity threshold is 0.50.
Many values are incorrectly matched.
You need to ensure that more accurate matches are made by the Fuzzy Lookup transformation without degrading performance.
What should you do?

A) Change the similarity threshold to 0.40.
B) Change the Exhaustive property to True.
C) Decrease the maximum number of matches per lookup.
D) Change the similarity threshold to 0.55.

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

3. DRAG DROP
You are developing a SQL Server Integration Services (SSIS) package.
The package contains an ActiveX Data Objects (ADO) source variable that holds a result set that was returned by a stored procedure execution.
You need to add and configure a container that will execute several tasks for each row in the ADO object source variable.
Which three actions should you perform in sequence? (To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.)

4. DRAG DROP
You are developing a SQL Server Integration Services (SSIS) package.
The package contains several tasks that must repeat until an expression evaluates to
FALSE.
You need to add and configure a container to enable this design.
Which three actions should you perform in sequence? (To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.)

5. HOTSPOT
You are developing a SQL Server Integration Services (SSIS) package.
You use a Data Profiling task to examine the data from a source system.
You need to establish: - The minimum and maximum dates for the datetime columns in the source data - The minimum, maximum, and average values for numeric columns in the source data You need to use the appropriate profile type in the Data Profiling task.
Which profile type should you use? (To answer, select the appropriate profile type in the answer area.)

Solutions: