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

# Performance

<AccordionGroup>
  <Accordion title="ruby-rails-performance-indexes-are-beneficial">
    The \$COLUMN column appears to be a foreign key. Would it benefit from an index? Having an index can improve performance.
  </Accordion>
</AccordionGroup>