Query Language for Cosmos DB (in Azure and Fabric) Documentation

Learn about the query language for Cosmos DB used throughout products like Azure Cosmos DB for NoSQL and Cosmos DB in Fabric. Use the query language for Cosmos DB to query data in loosely structured schemas while still using familiar American National Standards Institute (ANSI) Structured Query Language (SQL) keywords.

Fundamentals

Learn the fundamentals of finding data using the query language.

Vector functions

Find the similarity score between vectors and perform common vector operations for AI and machine learning solutions.

Full text search functions

Query using a specialized text index with support for advanced data querying capabilities like stemming, stop word removal, and tokenization.

Relevance ranking functions (RRF)

System functions

Use built-in system functions for the most common tasks across a wide variety of scenarios.