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Microsoft Transition Your MCTS on SQL Server 2008 to MCSA: SQL Server 2012, Part 1 70-457
Exam Number/Code : 70-457 exam
Exam Name : Transition Your MCTS on SQL Server 2008 to MCSA: SQL Server 2012, Part 1
One year free update
Once failed,100% refund
Questions and Answers : 50Q&As
Update Time : 2012-10-10
Price : $89.00
Free 70-457 VCE Demo Download
9.You develop a Microsoft SQL Server 2012 database.
You create a view that performs the following tasks:
. Joins 8 tables that contain up to 500,000 records each.
. Performs aggregations on 5 fields.
The view is frequently used in several reports. You need to improve the performance of the reports.
What should you do?
A. Convert the view into a table-valued function.
B. Convert the view into a Common Table Expression (CTE).
C. Convert the view into an indexed view.
D. Convert the view into a stored procedure and retrieve the result from the stored procedure into a
temporary table.
Answer: C
14.You develop a database application. You create four tables. Each table stores different categories of products. You create a Primary Key field on each table.
You need to ensure that the following requirements are met:
. The fields must be an incrementing series of values.
. The values must be unique across the four tables.
What should you do?
A. Create a TIMESTAMP column.
B. Create a SEQUENCE object that uses the INTEGER data type.
C. Use the UNIQUEIDENTIFIER data type along with NEWSEQUFNTIAI in()
D. Use the INTEGER data type along with IDENTITY.
E. Create a ROWVERSION column.
Answer: B
Exam 70-457: Transition Your MCTS on SQL Server 2008 to MCSA: SQL Server 2012, Part 1
•Implement a migration strategy.
◦This objective may include but is not limited to: restore vs. detach/attach; migrate security; migrate from a previous version; migrate to new hardware; migrate systems and data from other sources
•Configure additional SQL Server components.
◦This objective may include but is not limited to: set up and configure Analysis Services (AS), Reporting Services (RS), and SharePoint integration in a complex and highly secure environment; configure full-text indexing; SQL Server Integration Services (SSIS) security; filestream; filetable
•Optimize queries.
◦This objective may include but is not limited to: understand statistics; read query plans; plan guides; DMVs; hints; statistics IO; dynamic vs. parameterized queries; describe the different join types (HASH, MERGE, LOOP) and describe the scenarios in which they would be used
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