The document provides an overview of working with entities and data in Common Data Service (CDS). It discusses: 1. CDS allows securely storing and managing data used by business applications like Dynamics 365, Power Apps, etc. Data is stored in entities which are similar to database tables. 2. Benefits of using CDS entities include easy management of metadata and data in the cloud, role-based security, and leveraging existing Dynamics 365 data. 3. CDS entities are not the same as Dynamics 365 entities but enable building apps using Power Apps directly against Dynamics 365 business data without needing integration.

1. Working with Entity and
Data in CDS
(Common Data Service)
with Sanjaya Prakash Pradhan

2. 1
Course Content
Introduction to CDS
2 Managing Entities in CDS
3 Working with Data in CDS

3. Introduction to CDS
● Common Data Service provides us to securely store and manage data that's used by business applications such as
Dynamics 365, Power Apps, Power BI, Power Automate and other business applications.
● It is a platform that allows users to quickly integrate programs, build new custom applications, and create automated
workflows.
● Data within Common Data Service is stored within a set of entities. An entity is a set of records used to store data,
similar to how a table stores data within a database.
● Common Data Service includes a base set of standard entities that cover typical scenarios, but you can also create
custom entities specific to your organization and populate them with data using Power Query. App makers can then
use Powerapps to build rich applications using this data.

4. Why to Use CDS
Standard and custom entities within Common Data Service provide a secure and cloud-based storage option for your
data. Entities let you create a business-focused definition of your organization's data for use within apps.
The benefits of using CDS entities is given below:
● Easy to manage – Both the metadata and data are stored in the cloud. You don't need to worry about the
details of how they're stored.
● Easy to secure – Data is securely stored so that users can see it only if you grant them access. Role-
based security allows you to control access to entities for different users within your organization.
● Access your Dynamics 365 Data – Data from your Dynamics 365 applications is also stored within the
Common Data Service allowing you to quickly build apps which leverage your Dynamics 365 data and
extend your apps using Power Apps.
● Rich metadata – Data types and relationships are leveraged directly within Power Apps.
● Logic and validation – Define calculated fields, business rules, workflows, and business process flows to
ensure data quality and drive business processes.
● Productivity tools – Entities are available within the add-ins for Microsoft Excel to increase productivity
and ensure data accessibility.

5. Dynamics 365 Vs CDS
Dynamics 365 applications, such as Dynamics 365 Sales, Dynamics 365 Customer Service or Dynamics 365 Field
Service, also use the Common Data Service to store and secure data used by the applications. This enables us to
build apps using Power Apps and the Common Data Service directly against our core business data already used
within Dynamics 365 without the need for integration.
● Build Apps against your Dynamics 365 Data – Build apps quickly against your business data within Power
Apps or using the Pro Developer SDK.
● Manage reusable Business logic and rules – Business Rules and logic already defined in your Dynamics
365 entities are applied to your Power Apps to ensure data consistency regardless of how your users are
accessing the data or through which app.
● Reusable skills across Dynamics 365 and Power Apps – Users with skills previously in Power Apps or
Dynamics 365 can now leverage those skills across the Common Data Service platform. Creating entities,
forms, charts, etc are now common across your applications.

6. CDS Entities
An entity is a set of records used to store data, similar to how a table stores data within a database. Data
within Common Data Service is stored within a set of entities.
Example entities are Account, Contact, etc.
NOTE : CDS Entities are not same as D365 Entities.
We can Create, Update, Delete and Read Entity Data from Power Apps.

8. Working with CDS Data
In CDS entities we can upload data and use it as per our business need through Power Platform Such
as, Power Apps, Power BI, Power Automate etc.
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