To practices SQL queries copy the below link and paste it in your address bar,can download from it.
http://www.mediafire.com/?2uo2e47pm6ssgo8
http://www.mediafire.com/?2uo2e47pm6ssgo8
ForDBMS TeXT Book BY KORTH click the below link:
http://www.mediafire.com/?h9sh34nhghtssnu
For MANUAL SOLUTION CLICK HERE: http://www.mediafire.com/?t6g56cc1qhsnxi4