docs-v2/content/influxdb3/clustered/query-data/execute-queries/_index.md

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---
title: Execute queries
description: >
Use tools and libraries to query data stored in an InfluxDB cluster.
weight: 101
menu:
influxdb3_clustered:
name: Execute queries
parent: Query data
influxdb3/clustered/tags: [query, sql, influxql]
aliases:
- /influxdb3/clustered/query-data/tools/
- /influxdb3/clustered/query-data/sql/execute-queries/
- /influxdb3/clustered/query-data/influxql/execute-queries/
---
Use tools and libraries to query data stored in an {{% product-name %}} database.
InfluxDB client libraries and Flight clients can use the Flight+gRPC protocol to query with SQL or InfluxQL and retrieve data in the [Arrow in-memory format](https://arrow.apache.org/docs/format/Columnar.html).
HTTP clients can use the InfluxDB v1 `/query` REST API to query with InfluxQL and retrieve data in JSON format.
Learn how to connect to InfluxDB and query your data using the following tools:
{{< children readmore=true hr=true hlevel="h2" >}}