October 2015
Beginner
206 pages
4h 4m
English
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Indexing
Operations on databases can be complex. Often, MariaDB has to examine several data to find the rows that we want to read. It may also have to perform complex operations, such as aggregating data or sorting values. Typical operations on data will be described in Chapter 3, Getting Started with SQL. Here we will briefly discuss the data structure used to optimize these operations—that is, indexes. Key is a synonym for index.
Note
Note that different storage engines implement indexes in different ways. The following discussion refers to InnoDB, which is the most commonly used engine. If we use other engines, such as MEMORY or MyISAM, we may need to check the MariaDB KnowledgeBase to learn how these engines handle indexes.
To explain what an ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.