er diagrams and Data flow diagrams and sql queries for a project

Project is about Social networking for a college , Users and Admin can access the site, Admin will give permission to the users, when users apply for access. User can add friends ,Send audio,video message,Create and modify the profile,Search for friends.  ER and/ or EER diagram  Definitions Entity definitions for all entities in the EER diagram Relationship definitions for all relationships in the EER diagram Attribute definitions for all attributes in all entities  Map the EER diagram to a relational schema illustrating referential integrity  Diagram the functional dependencies on the relational schema  Develop a set of 3NF relations  Write SQL queries for your database. You should write at least 5 single-table queries. These queries should serve some business function You should write at least 5 multi-table queries. These queries should serve some business function  List of all queries and a brief explanation of the purpose of each query  Output of all queries and any additional features that you may have included that enriches the project  Basic description of your database tables.