certification questions testcenter 70-451
certification questions testcenter 70-451
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70-451 PRO: Designing Database Solutions and Data Access Using Microsoft SQL Server 2008 We believe in helping our customers achieve their goals. For this reason, we take great care while preparing our Questions and Answers , Core Administration. Our practice tests Administration are prepared with the help of highly professional people from the industry, so we benefit from their vast experience and knowledge.
certification questions testcenter 70-451
1.You manage sql server 2008 instances for a large retail organization.
You want to design a reporting solution to allow users read-only access to data in databases on different instances.
Users generating reports only need read-only access.
Users in different locations have different uses for the data.
Some users perform complex reporting that is resource-intensive.
You want to provide reporting capability with optimum responsiveness for all users, while minimizing administration effort and performance impact to production systems using the data.
Which action should you take?
A. Configure peer-to-peer replication.
B. Create a database snapshot
C. Implement scalable shared databases.
D. Configure log shipping.
Answer: C
2.You are a database developer on an instance of sql server 2008.
You need to provide a custom function that will perform complex calculations on groups of data in one of your tables.
You want users to be able to reference the function directly from a query as if they were using a built-in scalar function.
Which type of object should you create?
A. A clr user-defined type
B. A transact-sql user-defined function that returns a scalar value
C. A clr user-defined aggregate
D. A transact-sql user-defined stored procedure
Answer: C
3.You work for a company that builds parts for an aerospace contractor.
You use the following transact-sql to update the widget table in the research database:
use research
go
begin transaction toleranceupdate
with mark ‘update tolerance level’;
go
update engineering.widgetset tolerance = tolerance * 1.03 where widgetid like ‘aa-%’;
go
commit transaction toleranceupdate;
go
After a few hours, you notice that an error occurred in the database.
A regular backup and log backup of the research database have been made.
You restore the full backup of the research database.
What should you do restore the widget table to the tolerance update transaction?
A. Restore the log backup using with stopbeforemark= ‘toleranceupdate’
B. Restore the log backup using with stopatmark=’toleranceupdate’
C. Use the rollback statement to roll back to the tolerance update transaction.
D. Restore the transaction log. use a rollback statement to roll back to the tolerance update transaction.
Answer: B
certification questions testcenter 70-451