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?

You use Microsoft SQL Server 2012 to develop a database application. You need to implement a computed column that references a lookup table by using an
INNER JOIN against another table.
What should you do?

You administer a Microsoft SQL Server 2012 database named ContosoDb. Tables are defined as shown in the exhibit. (Click the Exhibit button.)

You need to display rows from the Orders table for the Customers row having the CustomerId value set to 1 in the following XML format.

Which Transact-SQL query should you use?

You administer a Microsoft SQL Server 2012 database named ContosoDb. Tables are defined as shown in the exhibit. (Click the Exhibit button.)

You need to display rows from the Orders table for the Customers row having the CustomerId value set to 1 in the following XML format.

Which Transact-SQL query should you use?

You are a database developer of a Microsoft SQL Server 2012 database. You are designing a table that will store Customer data from different sources. The table
will include a column that contains the CustomerID from the source system and a column that contains the SourceID. A sample of this data is as shown in the
following table.

You need to ensure that the table has no duplicate CustomerID within a SourceID. You also need to ensure that the data in the table is in the order of SourceID and
then CustomerID. Which Transact- SQL statement should you use?

You have been hired as a Database Consultant by ABC.com to design a SQL Server 2012 database solution.
You are tasked with designing a scale-out and high-availability SQL Server 2012 Online Transaction Processing (OLTP) database solution that will maintain copies
of data across two server instances.
Your solution must provide scale-out of read operations by distributing the reads from clients across two SQL Server 2012 nodes. The data in both SQL Server
nodes needs to be indexed.
What should you include in your solution?

You administer a Microsoft SQL Server 2012 database.
You have a SQL Server Agent job instance that runs using the service account. You have a job step within the job that requires elevated privileges.
You need to ensure that the job step can run using a different user account.
What should you use?

You administer a Microsoft SQL Server 2012 database instance. You create a new user named UserA.
You need to ensure that UserA is able to create SQL Server Agent jobs and execute SQL Server agent jobs owned by UserA
To which role should you add UserA?

You administer a Microsoft SQL Server 2012 instance named SQL2012. You are in the process of migrating a database from a SQL Server 2008 instance named
SQL2008 to the SQL2012 instance.
You have upgraded a database from the SQL2008 instance by using the side-by-side migration technique.
You need to migrate the SQL Server logins from the SQL2008 instance to the SQL2012 instance.
What should you do?

You plan to install a Microsoft SQL Server 2012 instance.
The instance will support a database that has the following requirements:
Store Excel workbooks on the file system.
Access the workbooks through Transact-SQL.
Include the workbooks in database backups.
During installation, you need to ensure that the requirements will be met.
Which feature should you use?