Overview

Query languages

• PromQL
• SQL

Since v0.9, GreptimeDB supports view and CTE just like other databases, used to simplify queries:

• View
• Common Table Expression (CTE)

Client SDK libraries

Client libraries provide a convenient way to connect to GreptimeDB and interact with data. There are mature SQL driver libraries available for querying GreptimeDB. For more information, please refer to the Client Libraries documentation.

Query external data

GreptimeDB has the capability to query external data files. For more information, please refer to the Query External Data documentation.