<transcript><audio_156>the inmemory mvcc which can be uh put as an extension to SQL Server which is an on desk system so very clever engineering and a very clean protocol for the inmemory case so those of you who have been asking a million questions</transcript><transcript><audio_157>I love that uh please go take a look at that these papers won't be covered in The Graduate database class but if you're interested stop by my office hours and be happy to walk you through the paper and take questions okay and I'm sure Andy would too all</transcript><transcript><audio_158>right you guys are doing a good job of making sure the exam is not going to have a lot of material moving all right and let me just make</transcript><caption><image_159>The image is a black and white illustration of two men's faces, one with glasses and the other with a serious expression. The background is black and the text on the left side of the image reads "Lecture #19 Database Logging". On the right side, there is a smaller image of a man standing in front of a computer screen. The man on the screen appears to be giving a presentation, as he is wearing a suit and tie and is gesturing with his hands as he speaks.</caption><transcript><audio_160>great all right so uh we're going to talk about logging uh next and it's part of a two piece component we'll figure out how to log things so that we can make changes but if something</transcript><transcript><audio_161>crashes like some of the questions that were asked it's like what happens if I'm adjusting this chain but I haven't finished fixing the chain or I fix the chain and something bad happens types stuff like that though largely today we are only going to focus on single version protocol but the concepts will</transcript> the inmemory mvcc which can be uh put as an extension to SQL Server which is an on desk system so very clever engineering and a very clean protocol for the inmemory case so those of you who have been asking a million questions I love that uh please go take a look at that these papers won't be covered in The Graduate database class but if you're interested stop by my office hours and be happy to walk you through the paper and take questions okay and I'm sure Andy would too all right you guys are doing a good job of making sure the exam is not going to have a lot of material moving all right and let me just make great all right so uh we're going to talk about logging uh next and it's part of a two piece component we'll figure out how to log things so that we can make changes but if something crashes like some of the questions that were asked it's like what happens if I'm adjusting this chain but I haven't finished fixing the chain or I fix the chain and something bad happens types stuff like that though largely today we are only going to focus on single version protocol but the concepts will
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