This ER diagram outlines an Inventory Management System with entities like "Product," "Supplier," "Inventory," "Customer," and "Order." Products include attributes such as ProductID, ProductName, ProductDescription, and ProductPrice. Suppliers are identified by SupplierID, SupplierName, and SupplierContact. Inventory tracks product quantities, while Customers are identified by CustomerID, CustomerName, and CustomerContact. Orders contain OrderID, CustomerID, ProductID, Quantity, and OrderDate.

Relationships indicate interactions: Products are supplied by Suppliers, stocked in Inventory, and ordered in Orders. Customers place Orders, creating connections between entities. This system streamlines inventory database, ensuring efficient inventory tracking and order processing from supplier to customer.

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Inventory management system diagram code in Gleek

Product

    Integer ProductID PK

    String ProductName

    String ProductDescription

    Float ProductPrice

Supplier

    Integer SupplierID PK

    String SupplierName

    String SupplierContact

Inventory

    Integer InventoryID PK

    Integer ProductID FK

    Integer Quantity

Customer

    Integer CustomerID PK

    String CustomerName

    String CustomerContact

Order

    Integer OrderID PK

    Integer CustomerID FK

    Integer ProductID FK

    Integer Quantity

    Date OrderDate

Product {1}-is supplied by-{1..n} Supplier

Product {1}-is in-{1..n} Inventory

Product {1}-is ordered in-{1..n} Order

Customer {1}-places-{1..n} Order

About ER diagrams

We often make an entity-relationship (ER) diagram, ERD, or entity-relationship model, in the early stages of designing a database. An ERD is perfect for quickly sketching out the elements needed in the system. The ERD explains how the elements interact. ER diagrams can be shared with colleagues. Their simplicity makes them ideal even for non-technical stakeholders.

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