MS Sql Server DBA 2012

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 permissions. You need to ensure that the job step can run using a different user account. What should you use?

You maintain several databases on a 32-bit Microsoft SQL Server 2005 instance on a Windows Server 2008 R2 64-bit server. You need to migrate the databases to a 64-bit SQL Server 2012 instance on the same server. You also need to ensure that the new Transact-SQL functionality in SQL Server 2012 can be used in the database after the migration. What should you do? (Each correct answer presents part of the solution. Choose all that apply.)

You administer a Microsoft SQL Server instance. You discover that the SQL Agent Error Log file is rapidly growing in size. You need to ensure that the SQL Agent Error Log file does not grow rapidly when SQL Server agent jobs execute. What should you do?

You administer a Microsoft SQL Server 2012 database that contains a table named AccountTransaction. You discover that query performance on the table is poor due to fragmentation on the IDX_AccountTransaction_AccountCode non-clustered index. You need to defragment the index. You also need to ensure that user queries are able to use the index during the defragmenting process. Which Transact-SQL batch should you use?

You administer a Windows 2008 server hosting an instance of Microsoft SQL Server 2012 Standard Edition. The server hosts a database named Orders. Users report that a query that filters on OrderDate is taking an exceptionally long time. You discover that an index named IX_OrderDate on the CustomerOrder table is heavily fragmented. You need to improve the performance of the IX_OrderDate index. The index should remain online during the operation. Which Transact-SQL command should you use?

You administer a Microsoft Azure SQL Database database named Orders. You need to create a copy of Orders named Orders_Reporting. Which Transact-SQL command should you use?

You administer a Microsoft SQL Server database that includes a table named dbo.Log. This table contains millions of records about user activity in an application. Records in dbo.Log that are more than 90 days old are purged nightly. When records are purged, table locks are causing contention with inserts. You need to be able to modify dbo.Log without requiring any changes to the applications that utilize dbo.Log. Which type of solution should you use?

You administer a Microsoft SQL Server database named Orders. Users report that during peak usage periods, certain operations are taking more time than expected. Your initial analysis suggests that blocking is the cause. You need to gather more data to be able to determine which processes are being blocked and to identify the root cause. What should you do?

You administer a Microsoft SQL Server database. Users report that a billing application becomes unresponsive during busy times of the day. While investigating, you notice large number of processes taking or waiting for table locks. You suspect that SQL Server is assigning stronger locks to queries. You start a SQL Profiler trace. Which event should you select?

You administer a Microsoft Azure SQL Database database named Human_Resources. The database contains 2 tables named Employees and SalaryDetails. You add two Windows groups as logins for the server: * CORP\Employees - All company employees * CORP\HRAdmins - HR administrators only * HR Administrators are also company employees. You need to grant users access according to the following requirements: * CORP\Employees should have SELECT access to the Employees table. * Only users in CORP\HRAdmins should have SELECT access to the SalaryDetails table. * Logins are based only on Windows security groups. What should you do?