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Agreed. Triggers are especially useful for maintaining counts. If you want to feel extra smug, there's a post from Instagram eng about how they realized they sh
by sp527 10y ago
Agreed. Triggers are especially useful for maintaining counts. If you want to feel extra smug, there's a post from Instagram eng about how they realized they should denormalize counts of likes only pretty late in the game.
- sgeneris 10y agoThe basic issue is that derived data should not be included in base relations -- they belong in derived relations, such as views.