This ER (Entity Relationship) Diagram represents the model of Billing And Inventory System Entity. The entity-relationship diagram of Billing And Inventory System shows all the visual instrument of database tables and the relations between Customer, Login, Bills, Transactions History etc. It used structure data and to define the relationships between structured data groups of Billing And Inventory System functionalities. The main entities of the Billing And Inventory System are Bills, Customer, Transactions, Login, Payment and Transactions History.
Billing And Inventory System entities and their attributes :
- Bills Entity : Attributes of Bills are bill_id, bill_customer_id, bill_number, bill_type, bill_receipt, bill_description
- Customer Entity : Attributes of Customer are customer_id, customer_name, customer_mobile, customer_email, customer_username, customer_password, customer_address
- Transactions Entity : Attributes of Transactions are transaction_id, transaction_customer_id, transaction_amount, transaction_bill, transaction_number, transaction_type, transaction_history, transaction_description
- Login Entity : Attributes of Login are login_id, login_user_id, login_role_id, login_username, login_password, login_lastlogin
- Payment Entity : Attributes of Payment are payment_id, payment_customer_id, payment_date, payment_bill, payment_type, payment_description
- Transactions History Entity : Attributes of Transactions History are transaction_history_id, transaction_ history_customer_id, transaction_history_amount, transaction_history_bill, transaction_history_number, transaction_history_type, transaction_history_description
Description of Billing And Inventory System Database :
- The details of Bills is store into the Bills tables respective with all tables
- Each entity (Transactions History, Transactions, Payment, Customer, Bills) contains primary key and unique keys.
- The entity Transactions, Payment has binded with Bills, Customer entities with foreign key
- There is one-to-one and one-to-many relationships available between Payment, Login, Transactions History, Bills
- All the entities Bills, Payment, Transactions, Transactions History are normalized and reduce duplicacy of records
- We have implemented indexing on each tables of Billing And Inventory System tables for fast query execution.