Build RESTful Services in Oracle APEX

About Build RESTful Services in Oracle APEX

RESTful services, also known as RESTful web services or REST APIs, are web services that adhere to the principles of Representational State Transfer (REST). REST is an architectural style for designing networked applications. It relies on a stateless, client-server communication protocol, typically HTTP. Oracle REST Data Services (

ORDS

) is a powerful tool that simplifies the process of developing and deploying

RESTful web services

for Oracle databases, including those used with

Oracle Application Express

(APEX).

ORDS is a

Java-based

web application that allows you to create RESTful services to access Oracle databases.

It provides a way to expose database objects like

tables

,

views

, and

stored procedures

as RESTful web services. ORDS allows you to create, manage, and deploy RESTful web services, enabling clients to interact with database resources using standard HTTP methods (

GET, POST, PUT, DELETE

). In Oracle REST Data Services (ORDS), the structure and organization of RESTful web services are key to managing how different endpoints are

defined

and

behave

.There are 4 important terms

Modules

,

Templates

,

Handlers

, and

Parameters

.

Modules

are the top-level grouping of related RESTful services. Think of a module as a

container

that holds all the related resources and endpoints for a specific area or functionality of your application.

Templates

define the URL patterns that map to specific resources and actions within a module. Each template corresponds to a specific endpoint that clients can interact with.

Handlers

are the actions or processes that are executed when a specific HTTP method is invoked on a template.

Handlers

are where the actual logic for interacting with the database or performing operations is defined.

Parameters

are used to pass additional data to the

handlers

. They can be part of the

URL path

, query

string

, or

request body

. Parameters allow you to customize the behavior of your RESTful service based on the input provided by the client. We will cover all everything mentioned above.