You develop a Microsoft SQL Server 2012 database that contains a table named Products. The
Products table has the following definition. You need to create an audit record only when either the
RetailPrice or WholeSalePrice column is updated. Which Transact-SQL query should you use?

You develop a Microsoft SQL Server 2012 database that contains tables named Employee and
Person. The tables have the following definitions:

You create a view named VwEmployee as shown in the following Transact-SQL statement.

Users are able to use single INSERT statements or INSERT…SELECT statements into this view.
You need to create an audit record only when either the Retail Price to insert records into both
Employee and Person tables by using the VwEmployee view. Which Transact-SQL statement
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 develop a database for a travel application. You need to design tables and other database
objects. You create a view that displays the dates and times of the airline schedules on a report.

You need to display dates and times in several international formats. What should you do?

You develop a database for a travel application. You need to design tables and other database
objects. You need to store media files in several tables. Each media file is less than 1MB in size.
The media files will require fast access and will be retrieved frequently. What should you do?

Your database contains a table named Purchases. The table includes a DATETIME column named
PurchaseTime that stores the date and time each purchase is made. There is a non-clustered index
on the PurchaseTime column. The business team wants a report that displays the total number of
purchases made on the current day. You need to write a query that will return the correct results in
the most efficient manner. Which Transact-SQL query should you use?

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.

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 develop a Microsoft SQL Server 2012 database that contains a heap named OrdersHistoncal.
You write the following Transact-SQL query:
INSERT INTO OrdersHistorical SELECT * FROM CompletedOrders
You need to optimize transaction logging and locking for the statement. Which table hint should
you use?

You develop a Microsoft SQL Server 2012 database. You need to create and call a stored
procedure that meets the following requirements:
– Accepts a single input parameter for CustomerID.
– Returns a single integer to the calling application.
Which Transact-SQL statement or statements should you use? (Each correct answer presents part
of the solution. Choose all that apply.)

You develop a Microsoft SQL Server 2012 database. You need to create a batch process that
meets the following requirements:
– Returns a result set based on supplied parameters.
– Enables the returned result set to perform a join with a table.
Which object should you use?