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Tools to Help to Improve SQL in Rails
Rails优化SQL可能用到的工具
Ruby
Ruby on Rails
SQL Performance
Sep 27, 2017
Have you ever encountered a Rails app that is slow in rendering pages? Are you trying to find out what's causing it to be "slow"? Where is the performance bottleneck? Is it the slow execution of SQL queries (maybe N+1, or not having the right indexes), or is it something else, like the view being too big? Performance optimization has...