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The open and composable observability and data visualization platform. Visualize metrics, logs, and traces from multiple sources like Prometheus, Loki, Elasticsearch, InfluxDB, Postgres and many more.
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+++ title = "Use expressions to manipulate data" weight = 40 aliases = ["/docs/sources/panels/query-a-data-source/use-expressions-to-manipulate-data/"] +++

Use expressions to manipulate data

Server-side expressions enable you to manipulate data returned from queries with math and other operations. Expressions create new data and do not manipulate the data returned by data sources.

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