> ## Documentation Index
> Fetch the complete documentation index at: https://docs-xcor.paloaltonetworks.com/llms.txt
> Use this file to discover all available pages before exploring further.

# PromQL 201

> Est. ~2 hours. Build on your PromQL fundamentals to make sense of complex queries, and craft your own. This course focuses on vector matching, logical operators, aggregations over time and a few other helpful functions.

Est. \~2 hours. Build on your PromQL fundamentals to make sense of complex queries, and craft your own. This course focuses on vector matching, logical operators, aggregations over time and a few other helpful functions.

<Card title="Take PromQL 201 in XCOR Academy" color="#28a561" href="https://learn.chronosphere.io/" icon="graduation-cap" horizontal />

## Related documentation

* [Search and query telemetry data](/investigate/querying)


## Related topics

- [Introduction to PromQL](/academy/courses/introduction-to-promql.md)
- [Applying PromQL functions](/investigate/querying/promql/apply-functions.md)
- [Experimental PromQL functions and operators](/investigate/querying/promql/experimental-functions.md)
- [Using PromQL in Cortex XCOR](/investigate/querying/promql.md)
- [Migration notes for Tanzu (Wavefront) to PromQL](/ingest/metrics-traces/collector/mappings/wavefront.md)


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