March 2018
Beginner to intermediate
308 pages
8h 23m
English
Content preview from Seven NoSQL Databases in a Week
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Row versus column versus column-family storage models
When you have a logical table with a bunch of rows and columns, there are multiple ways in which they can be stored physically on a disk.
You can store the contents of entire rows together so that all of the columns of a given row would be stored together. This works really well if the access pattern accesses a lot of the columns for a given set of rows. MySQL uses such a row-oriented storage model.
On the other hand, you could store the contents of entire columns together. In this scheme, all of the values from all of the rows for a given column can be stored together. This is really optimized for analytic use cases where you might need to scan through the entire table for a small set ...
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