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#23 Counter Cache Column episode artwork

EPISODE · Apr 25, 2007 · 7 MIN

#23 Counter Cache Column

from RailsCasts (Mobile) · host Ryan Bates

If you need to display the record count for a has_many association, you can improve performance by caching that number in a column.

What this episode covers

If you need to display the record count for a has_many association, you can improve performance by caching that number in a column.

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#23 Counter Cache Column

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Frequently Asked Questions

How long is this episode of RailsCasts (Mobile)?

This episode is 7 minutes long.

When was this RailsCasts (Mobile) episode published?

This episode was published on April 25, 2007.

What is this episode about?

If you need to display the record count for a has_many association, you can improve performance by caching that number in a column.

Can I download this RailsCasts (Mobile) episode?

Yes, you can download this episode by clicking the download button on the episode player, or subscribe to the podcast in your preferred podcast app for automatic downloads.
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