January 2019
Intermediate to advanced
286 pages
7h 41m
English
Content preview from Advanced MySQL 8
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Indexing strategy for Joins
It is always recommended to use the same data type columns during joining, along with indexing, as those columns will significantly enhance the performance of the MySQL database without increasing the computational resource capacity of the MySQL database. If you do not follow this approach, you would still get results, but you would get degraded performance and deteriorate as the size of the table grows.
For example, consider two tables: offers (offerID, itemId) and orders (userId, itemId), where they are being joined on the itemId column in both tables, performance, and latency. The difference between 2 different strategies where one has different data types for joining columns without indexes and an other that ...
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