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Home > RailsCasts (Mobile) > #23 Counter Cache Column
Podcast: RailsCasts (Mobile)
Episode:

#23 Counter Cache Column
Category: Technology
Duration: 00:07:18
Publish Date: 2007-04-25 02:00:00
Description: 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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