You use Microsoft SQL Server 2012 to develop a database application.
You create a stored procedure named DeleteJobCandidate.
You need to ensure that if DeleteJobCandidate encounters an error, the execution of the stored procedure reports the error number.
Which Transact-SQL statement should you use?

You use a Microsoft SQL Server 2012 database that contains a table named BlogEntry that has the following columns:

Id is the Primary Key.
You need to append the “This is in a draft stage” string to the Summary column of the recent 10 entries based on the values in EntryDateTime.
Which Transact-SQL statement should you use?

You administer a Microsoft SQL Server 2012 database. The database contains a table named Employee.
Part of the Employee table is shown in the exhibit. (Click the Exhibit button.)

Unless stated above, no columns in the Employee table reference other tables. Confidential information about the employees is stored in a separate table named
EmployeeData. One record exists within EmployeeData for each record in the Employee table.
You need to assign the appropriate constraints and table properties to ensure data integrity and visibility.
On which column in the Employee table should you a create a self-reference foreign key constraint?

You are developing a database that will contain price information.
You need to store the prices that include a fixed precision and a scale of six digits.
Which data type 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:
<row OrderId=”1″ OrderDate=”2000-01-01T00:00:00″ Amount=”3400.00″ Name=”Customer A” Country=”Australia” />
<row OrderId=”2″ OrderDate=”2001-01-01T00:00:00″ Amount=”4300.00″ Name=”Customer A” Country=”Australia” />

Which Transact-SQL query should you use?

You generate a daily report according to the following query:

You need to improve the performance of the query.
What should you do?

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?

You administer a Microsoft SQL Server 2012 database that has multiple tables in the Sales schema. Some users must be prevented from deleting records in any of
the tables in the Sales schema. You need to manage users who are prevented from deleting records in the Sales schema.
You need to achieve this goal by using the minimum amount of administrative effort. What should you do?

You develop three Microsoft SQL Server 2012 databases named Database1, Database2, and Database3.

You have permissions on both Database1 and Database2. You plan to write and deploy a stored procedure named dbo.usp_InsertEvent in Database3.
dbo.usp_InsertEvent must execute other stored procedures in the other databases.
You need to ensure that callers that do not have permissions on Database1 or Database2 can execute the stored procedure.
Which Transact-SQL statement should you use?

You administer a Microsoft SQL Server 2012 database that includes a table named Products. The Products table has columns named Productld, ProductName, and
CreatedDateTime.
The table contains a unique constraint on the combination of ProductName and CreatedDateTime.
You need to modify the Products table to meet the following requirements:
Remove all duplicates of the Products table based on the ProductName column.
Retain only the newest Products row.
Which Transact-SQL query should you use?