Let's Familier with DBMS:--

Data:-Data is the raw facts or unprocessed information.
Information:-Information is processed data.
DataBase:-DataBase is simply an organised collection of data;
DBMS:-It is a tool to manage and store the data in an efficient manner.

Presently Rows and Columns are used for database management such a model is called Relational Model.

More About Inroduction Can be Found here