A Database is a collection of related data organised in a way that data can be easily accessed, managed and updated. Any piece of information can be a data, for example name of your school. Database is actualy a place where related piece of information is stored and various operations can be performed on it.
This tutorial provides you complete information about databases. This tutorial is divided into 3 courses:
2.Micsrosoft SQL Server
This tutorial is prepared for the professionals keeping in mind with the syllabus of certification Exams.
There's not prerequisites for learning SQL, as long as you are aware of english, which I think you'r