Broad purpose of this lecture is to presentation on Relational Model. The intention of the relational model would be to provide a declarative way for specifying data along with queries: users directly state about what information the particular database contains along with what information they demand from it, and let the particular database management system software take care of describing data set ups for storing your data and retrieval techniques for answering concerns. In the relational type of a database, all data is represented regarding tuples, grouped in relations. A database organized regarding the relational model is a relational database.
Relational Model
