John Phillips

Tables are used to model and manage business data within Microsoft Dynamics 365. For example, tables such as account, lead, and opportunity can be used to track and support sales and marketing activities.

A table (formerly referred to as an entity) has a set of columns, with each column representing a data item of a particular type. For example, the account table has Name, Address, and OwnerId columns. Tables are divided into three categories: system, business, and custom. As a developer working with business data, you will use business and custom tables. System tables are used by Microsoft Dynamics 365 to handle all internal processes, such as workflows and asynchronous jobs.

You cannot delete or customise system tables.