Information Bulletin Hearing Aid Providers Implementation of New Contract Cs Cmu

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[Music] Kiki melon University's Advanced database systems course is filmed in front of a live studio audience right so today we're not to start talking about how you ex execute in queries um so the last two classes uh the last two classes were focusing on what the data is actually going to look like and we were designing our encoding schemes in such a way that when we actually start running the queries we would minimize the amount of data we have to fetch from disk or a remote object store and bring that into memory and we can be clever about encoding our our data in certain ways that we can ideally process you know do our processing on it uh in its encoded form or in its compressed form right rle is an obvious one but there's other te other ways we showed how to do this as well and so for the the next couple weeks we're going to talk about how we actually going to execute queries um and again in the olap world it's all about sequential scans we're not new index lookups we're ignoring