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Revisiting b+-trees
This document discusses B+-trees, which are commonly used to index data in databases. It provides an overview of the structure and functionality of B+-trees, including keys, pointers, fanout, leaf nodes, and internal nodes. It also describes Btree4j, an open source Java implementation of B+-trees that supports features like paging, prefix indexing, and bulk loading. The document aims to revisit th
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Online data science provides the students with a flexible and affordable path towards a very lucrative data science job. According to the bureau of Labor Statistics the projected employment growth for database administrators is 11% with the current average salary for database administrators standing at $87,020. The increasing popularity of data analytics and data base administrators adds to the ev
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Constant Database, known as cdb, is an elegant data structure proposed by D. J. Bernstein. It is suitable for looking up static data which is associated with arbitrary byte sequences (usually strings). Although DJB already explained this in his cdb page, it is not easy to implement this because his document lacks some important information such as the number of each subtable. Here I tried to illus
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