Data Model Overview

The Purchasing app uses static entities, transactional entities, entity relationships, and a Server Data Store to structure and persist its data.

Figure 1:

High-level overview of the Purchasing application’s data model.

Data Model Components

Each component has a different role in the Purchasing app’s data model. Use the sections below to create and configure them.

Store predefined reference data such as currencies and cost centers.

Capture operational purchasing data using header and detail entities.

Connect entities through one-to-many and many-to-one relationships.

Define which transactional entities are persisted in the application database.

Understand how Lowgile structures application data using entities, relationships, and persistence.

Understand how Entities, Static Entities, Server Data Stores, and other object types fit into the wider Lowgile platform model.

Learn how related entities are connected through relationship direction, cardinality, inverse relationships, and header-detail structures.