includes vs joins vs preload vs eager_load in Rails
These four all deal with associations, and they're easy to mix up. The way I keep them straight is to ask two questions about each: what SQL does it r…
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These four all deal with associations, and they're easy to mix up. The way I keep them straight is to ask two questions about each: what SQL does it r…
flag_shih_tzu stores many boolean attributes in one integer column. Each boolean gets one bit 〰️ well that used to be true 〰️ v1.0.0 supports multi-bi…