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ORDS Download 21: How to Enable and Access Performance Hub and Database Activity in SQL Developer Web


ORDS Download 21: How to Install and Use Oracle REST Data Services




If you are looking for a way to connect your Oracle Database with the web, you might want to check out ORDS Download 21. ORDS stands for Oracle REST Data Services, and it is a Java application that bridges HTTPS and your Oracle Database. In this article, we will show you how to download, install, and use ORDS 21, and what benefits it can bring to your database development and management.




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What is ORDS and why you need it




ORDS is a middleware that allows you to access and manipulate your Oracle Database data and stored procedures using RESTful web services. REST stands for Representational State Transfer, and it is a style of web architecture that uses HTTP methods (such as GET, POST, PUT, DELETE) to perform operations on resources (such as tables, views, procedures) identified by URIs (Uniform Resource Identifiers).


By using ORDS, you can expose your database objects and logic as RESTful web services that can be consumed by any client that supports HTTP, such as web browsers, mobile apps, or other applications. This way, you can leverage the power and scalability of your Oracle Database in a modern and flexible way.


ORDS features and benefits




Some of the main features and benefits of ORDS are:


  • It provides a Database Management REST API that allows you to perform common database administration tasks, such as creating users, granting privileges, managing tablespaces, etc.



  • It includes SQL Developer Web, a web-based version of Oracle SQL Developer that lets you execute queries and scripts, create and alter database objects, build data models, access Performance Hub, and view database activity.



  • It offers a PL/SQL Gateway that enables you to run PL/SQL code in the database through HTTP requests.



  • It supports SODA for REST, a simple and flexible API for storing and retrieving JSON documents in the database.



  • It allows you to publish RESTful web services for interacting with the data and stored procedures in your database. You can use SQL or PL/SQL to define the service logic, or use Automatic REST to generate the services automatically from your database objects.



  • It supports various security mechanisms, such as HTTPS, OAuth2, JWT, SSL/TLS, etc., to protect your data and services.



  • It is compatible with various versions of Oracle Database, from 11g to 21c, as well as Oracle Autonomous Database on Oracle Cloud.



  • It is easy to install and configure, and it can run on any Java EE compliant server, such as Tomcat, GlassFish, WebLogic, etc.



ORDS requirements and compatibility




To use ORDS, you need the following:


  • An Oracle Database instance that you want to connect to. It can be on-premises or on Oracle Cloud. The minimum supported version is 11.2.0.4.



  • A Java EE compliant server that can host the ORDS application. The minimum supported version is Java SE 8 or Java EE 7.



  • A Java Development Kit (JDK) that matches the version of your Java server. The minimum supported version is JDK 8.



  • An ORDS installation file that you can download from Oracle website or Oracle Cloud.



How to download ORDS 21




You can download ORDS 21 from two sources:


Download from Oracle website




You can download ORDS 21 from the for more details and examples on how to use SQL or PL/SQL to create RESTful web services.


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If you use Automatic REST, you don't need to write any code. You just need to enable Automatic REST for your database objects, such as tables, views, or procedures, and ORDS will generate the RESTful web services for you. You can use SQL Developer Web or the ORDS REST Data Services Administration page to enable Automatic REST for your database objects. You can also use the ORDS.ENABLE_SCHEMA and ORDS.ENABLE_OBJECT packages to enable Automatic REST programmatically. You can refer to the for more details and examples on how to use Automatic REST to create RESTful web services.


Once you have created your RESTful web services, you can publish them by using the ORDS.PUBLISH_SCHEMA and ORDS.PUBLISH_OBJECT packages. This will make your services available for access by any HTTP client. You can also use SQL Developer Web or the ORDS REST Data Services Administration page to publish your services. You can refer to the for more details and examples on how to publish your RESTful web services.


Use SODA for REST




SODA stands for Simple Oracle Document Access, and it is a feature that allows you to store and retrieve JSON documents in your Oracle Database. SODA for REST is a RESTful API that enables you to perform CRUD (Create, Read, Update, Delete) operations on JSON documents using HTTP requests. You can use SODA for REST to:


  • Create collections of JSON documents in your database.



  • Insert, update, replace, or delete JSON documents in your collections.



  • Query JSON documents using filter criteria, pagination, sorting, projection, etc.



  • Create indexes on JSON documents to improve query performance.



  • And more.



You can access SODA for REST by using the following URL:



You need to replace <host> with the host name or IP address of your Java server, <port> with the port number of your Java server, and <db_user> with the name of a database user that has access to SODA for REST. You will be prompted for the password of the database user.


You can use any HTTP client that supports JSON, such as curl, Postman, or your web browser, to send and receive HTTP requests and responses to and from SODA for REST. You can refer to the for more details and examples on how to use SODA for REST.


Conclusion




In this article, we have shown you how to download, install, and use ORDS 21, a Java application that bridges HTTPS and your Oracle Database. We have explained what ORDS is and why you need it, how to download it from Oracle website or Oracle Cloud, how to install it on your Java server and configure it with your database, and how to use it to access SQL Developer Web, enable and publish RESTful web services, and use SODA for REST. We hope that this article has helped you to understand and appreciate the features and benefits of ORDS 21, and how it can enhance your database development and management experience.


Here are some frequently asked questions about ORDS 21:


Q: How can I update ORDS to the latest version?




A: You can update ORDS to the latest version by downloading the new installation file from Oracle website or Oracle Cloud, and then running the ORDS installer with the upgrade option. For example, you can use the following command:


java -jar ords.war upgrade


This command will upgrade your existing ORDS installation to the new version, and preserve your existing configuration and metadata. You can refer to the for more details and options on how to upgrade ORDS.


Q: How can I secure my ORDS web services?




A: You can secure your ORDS web services by using various security mechanisms, such as HTTPS, OAuth2, JWT, SSL/TLS, etc. You can also use roles and privileges to control the access and permissions of your web services. You can refer to the for more details and examples on how to secure your ORDS web services.


Q: How can I monitor and troubleshoot my ORDS web services?




A: You can monitor and troubleshoot your ORDS web services by using various tools and techniques, such as logging, tracing, debugging, testing, etc. You can also use the ORDS REST Data Services Administration page to view and manage your web services. You can refer to the for more details and examples on how to monitor and troubleshoot


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