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#Free er diagram tool er assistant password#

All the entities Username, Change Password, Login, Permission are normalized and reduce duplicacy of records.

There is one-to-one and one-to-many relationships available between Change Password, Programmer, Permission, Username.

#Free er diagram tool er assistant password#

The entity Login, Change Password has binded with Username, Password entities with foreign key.Each entity (Permission, Login, Change Password, Password, Username) contains primary key and unique keys.The details of Username is store into the Username tables respective with all tables.Permission Entity : Attributes of Permission are permission_id, permission_user_id, permission_name, permission_type, permission_description.Change Password Entity : Attributes of Change Password are changing_password_id, changing_password_user_id, changing_password_name, changing_password_type, changing_password_description.Programmer Entity : Attributes of Programmer are programmer_id, programmer_name, programmer_mobile, programmer_email, programmer_programmername, programmer_password, programmer_address.Login Entity : Attributes of Login are login_id, login_user_id, login_role_id, login_username, login_password, login_lastlogin.Password Entity : Attributes of Password are password_id, password_user_id, password_name, password_type, password_description.Username Entity : Attributes of Username are user_id, user_name, user_mobile, user_email, user_username, user_password, user_address.Login System entities and their attributes : The main entities of the Login System are Username, Password, Login, Programmer, Change Password and Permission. It used structure data and to define the relationships between structured data groups of Login System functionalities.

There are five kinds of relationship such as supplied by, requested on, used in, included on and sent by. The entity relationship diagram shown in the above image contains six entities - supplier, customer, order, item, product and shipment. The entity-relationship diagram of Login System shows all the visual instrument of database tables and the relations between Password, Programmer, Username, Permission etc. An entity relationship diagram showes a simple database for the business order process. This ER (Entity Relationship) Diagram represents the model of Login System Entity.