Before you start. This series builds a small copy of a database, a program that stores your data and can find any piece of it again fast, the way a real database does. So far, it stores rows inside fixed-size chunks called pages, and it finds any row quickly using a B-tree, a sorted tree built out of those pages.
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The first three lessons of every track are free. This lesson is included with a plan, which unlocks every lesson, board, video, lab and paper for one price.