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Attendees will learn fundamentals of good database query performance. With live demonstrations of app queries that aren't optimized, we’ll step through optimizations, query planning, and index design. A public Rails app will be used. Examples will move back and forth between Active Record and SQL using both a SQL client and the Rails Console. Audience members will be polled and questioned for suggestions to make the content more engaging. Attendees will leave with knowledge of fundamentals and real-world optimization tactics they can apply to their Active Record code and relational databases.
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