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Microsoft 70-457 Exam Syllabus Topics:

Microsoft Transition Your MCTS on SQL Server 2008 to MCSA: SQL Server 2012, Part 1 Sample Questions:

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

2. You administer a Microsoft SQL Server 2012 database. The database contains a Product table created by using the following definition:

You need to ensure that the minimum amount of disk space is used to store the data in the Product table. What should you do?

A) Implement row-level compression.
B) Implement page-level compression.
C) Convert all indexes to Column Store indexes.
D) Implement Unicode Compression.

3. You create a stored procedure that will update multiple tables within a transaction. You need to ensure that if the stored procedure raises a run-time error, the entire transaction is terminated and rolled back. Which Transact-SQL statement should you include at the beginning of the stored procedure?

A) SET ARITHABORT ON
B) SET ARITHABORT OFF
C) TRY
D) SET XACT_ABORT ON
E) BEGIN
F) SET XACT_ABORT OFF

4. You use a Microsoft SQL Server 2012 database that contains two tables named SalesOrderHeader and SalesOrderDetail. The indexes on the tables are as shown in the exhibit. (Click the Exhibit button.)

You write the following Transact-SQL query:

You discover that the performance of the query is slow. Analysis of the query plan shows table scans where the estimated rows do not match the actual rows for SalesOrderHeader by using an unexpected index on SalesOrderDetail. You need to improve the performance of the query. What should you do?

A) Update statistics on SalesOrderId on both tables.
B) Use a FORCESEEK hint in the query.
C) Add a clustered index on SalesOrderId in SalesOrderHeader.
D) Use a FORCESCAN hint in the query.

5. You administer a Microsoft SQL Server 2012 database named Contoso on a server named Server01. You need to prevent users from disabling server audits in Server01. What should you create?

A) a SQL Profiler Trace
B) an Alert
C) a Policy
D) a Resource Pool
E) an Extended Event session
F) a Database Audit Specification
G) a Server Audit Specification

Solutions: