Ok , it was good , ,it was a very interesting subject to me in database field .
basics about data mining and how it differ from the relational database operations , warehouses , OLAP , data cube and how you visualize data in 3D, 4D ..how you classify data from human genes to chemical components , how you cluster based on shared properties or other ways .
if you into database design and modeling concepts then mapping to data mining techniques . So you need this book
+ the application you will work with when you will study this subject , is "Odiminer" it's a small file , will work will in your spreadsheets data to classify it , cluster it , find the noise and outliers among them.