Simple, consistent SQL
Use the tools and the language you use today and guarantee your data is always correct
Use standard SQL and tools to query, analyze, and optimize
Guarantee highly performant, correct transactions at any scale
Update schema with zero downtime in production
Use powerful and elegant SQL
Get all the capabilities you expect from a powerful SQL database, wire compatible with PostgreSQL
SQL Playground
PostgreSQL compatibility docs
QUERY INTROSPECTION TOOLS
Easily find and fix problematic queries
Introspect and optimize queries with a strong set of native tools
Command line: Run commands like EXPLAIN and EXPLAIN ANALYZE to understand query plans and performance
ACID transactions
Guarantee consistent transactions
Trust your data is immediately correct at any scale with ACID compliant guarantees and serializable isolation--even with high concurrency and competing distributed transactions
Developer’s guide to transactions
Transactions docs
Online schema changes
Update schema without downtime
Make any schema changes while your data is still available for reads and writes, with zero downtime, even in production.
Developer’s guide to schema
Online schema changes docs
Cost-based optimizer
Get advanced distributed query optimization and execution
Leverage a first-class query optimizer which analyzes and automatically selects the most optimal query execution plan for best performance in a distributed environment.
Cost-based optimizer docs
Developer tool integrations
Code the way you want
Use your favorite drivers, ORMs, and other third-party developer tools, enabled by CockroachDB’s support for the PostgreSQL wire protocol.
List of tools supported
Free Online Training
Master your SQL skills for free
Learn the SQL skills you need to scale your database and your resume straight from industry experts.
Getting Started with SQL for App Devs
Introduction to Distributed SQL
