# Reference for CodeQL queries

Find lists of CodeQL queries used by Code Quality for each supported programming language.

## Links

* [C# CodeQL queries for Code Quality](/en/code-security/reference/code-quality/codeql-queries/csharp-queries)

  Explore the queries that CodeQL uses to analyze code quality for code written in C#.

* [Go CodeQL queries for Code Quality](/en/code-security/reference/code-quality/codeql-queries/go-queries)

  Explore the queries that CodeQL uses to analyze code quality for code written in Go.

* [Java CodeQL queries for Code Quality](/en/code-security/reference/code-quality/codeql-queries/java-queries)

  Explore the queries that CodeQL uses to analyze code quality for code written in Java.

* [JavaScript CodeQL queries for Code Quality](/en/code-security/reference/code-quality/codeql-queries/javascript-queries)

  Explore the queries that CodeQL uses to analyze code quality for code written in JavaScript.

* [Python CodeQL queries for Code Quality](/en/code-security/reference/code-quality/codeql-queries/python-queries)

  Explore the queries that CodeQL uses to analyze code quality for code written in Python.

* [Ruby CodeQL queries for Code Quality](/en/code-security/reference/code-quality/codeql-queries/ruby-queries)

  Explore the queries that CodeQL uses to analyze code quality for code written in Ruby.