Multi User Chat Application ER Diagram

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July 17 2017

Posted By: freeproject
Comments: 0

Posted By freeproject on July 17, 2017

This ER (Entity Relationship) Diagram represents the model of Multi User Chat Application Entity. The entity-relationship diagram of Multi User Chat Application shows all the visual instrument of database tables and the relations between Chat History, User, Chat, Smiley Chat etc. It used structure data and to define the relationships between structured data groups of Multi User Chat Application functionalities. The main entities of the Multi User Chat Application are Chat, Chat History, Chat Profile, User, Group Chat and Smiley Chat.

Multi User Chat Application entities and their attributes :

Chat Entity : Attributes of Chat are chat_id, chat_user_id, chat_type, chat_history, chat_time, chat_description
Chat History Entity : Attributes of Chat History are chat_history_id, chat_history_user_id, chat_history_type, chat_history_time, chat_history_description
Chat Profile Entity : Attributes of Chat Profile are profile_id, profile_user_id, profile_name, profile_type, profile_description
User Entity : Attributes of User are user_id, user_name, user_mobile, user_email, user_username, user_password, user_address
Group Chat Entity : Attributes of Group Chat are group_chat_id, group_chat_users_id, group_chat_type, group_chat_history, cgroup_hat_time, group_chat_description
Smiley Chat Entity : Attributes of Smiley Chat are smilies_chat_id, smilies_chat_user_id, smilies_chat_type, smilies_chat_history, smilies_chat_time, smilies_chat_description

Description of Multi User Chat Application Database :

The details of Chat is store into the Chat tables respective with all tables
Each entity (Smiley Chat, Chat Profile, Group Chat, Chat History, Chat) contains primary key and unique keys.
The entity Chat Profile, Group Chat has binded with Chat, Chat History entities with foreign key
There is one-to-one and one-to-many relationships available between Group Chat, User, Smiley Chat, Chat
All the entities Chat, Group Chat, Chat Profile, Smiley Chat are normalized and reduce duplicacy of records
We have implemented indexing on each tables of Multi User Chat Application tables for fast query execution.

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