The 12th class computer science students have SQL in their syllabus. They also have it for the Plus Two practical exams which makes it very important. The lab sessions available in school time is not enough. So you have to install it in your computer. The schools have Windows XP installed in them. The version they use probably be an old version. Even if you try to get the software from school, it is going to be useless. Because, today most of the computers uses Windows 7 or 8. If you already searched the Internet for SQL Plus, you wouldn't have found anything yet. The reason is there is no standalone software named SQL Plus. The SQL Plus is the SQL Command Line for Oracle Database Software. The software you are looking is Oracle Database. The newest version works in Windows 7, but not sure about Windows 8. It also contains the SQL Command Line which can be used as you do in school. Click here to Download Oracle Database Express Edition 11g Click on "Accept License Agree...