Free Online MS SQL Server 2019 Playground
Current database engine: MS SQL Server 2019 (mssql2019)
This page runs Microsoft SQL Server 2019 (15.0, Express Edition on Linux) in a clean database. SQL Server 2019 added UTF-8 collations, APPROX_COUNT_DISTINCT(), inlining of scalar user-defined functions and intelligent query processing features such as batch mode on rowstore.
Compare T-SQL behavior with SQL Server 2017 or the newer SQL Server 2022 and 2025.
NEW Now embed mode is available: put an interactive SQL editor on any web page with one script tag.
SQLize is a browser-based MS SQL Server 2019 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 MS SQL Server 2019 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.