Softwares for Practice
You can practice your exams by using below tools
Software Name : Microsoft SQL Server
License : Evaluation
Click here for trail download
If you want to practice the topics coverd in the books by sample DB, download the TSQL2012.sql script and install and start SQL Management studio and run the script.After completion of the script, database TSQL2012 will be listed there and you can pratice with that. Click Below link to download TSQL2012.sql script.
Click here to download the script
Also You can pratice some basics with Microsoft's free Sql server Editions.
Software : MS SQL Server 2012 Express Edition and Management Studio
License : Free
Click here to download the free copy of SQL server Express Editions