Online Oracle Database 21c Playground — run SQL queries in your browser

Free Online Oracle Database 21c Playground

Current database engine: Oracle Database 21c (oracle21)

This page runs Oracle Database 21c (Express Edition) in a clean schema. Oracle 21c is an innovation release that introduced the native JSON data type, SQL macros, blockchain and immutable tables, and the set operators EXCEPT and INTERSECT ALL.

Use it to test Oracle SQL and PL/SQL: DUAL, ROWNUM and FETCH FIRST, analytic functions, hierarchical CONNECT BY queries. The newer Oracle Database 26ai and 26ai with the HR schema are available too.

NEW Now embed mode is available: put an interactive SQL editor on any web page with one script tag.

SQLize is a browser-based Oracle Database 21c SQL editor and query runner for fast testing, debugging, formatting, and sharing. It is useful for interview tasks, migration checks, analytics validation, and learning SQL in a real execution environment.

Developers, students and data analysts from more than 100 countries, most of all India, the United States, Russia, Brazil, Italy, Poland and Vietnam, use SQLize to run Oracle Database 21c queries online without installing a database server. A shareable link turns any query into a reproducible example for a colleague, a teacher or a question on Stack Overflow.