February 2018
Intermediate to advanced
510 pages
16h 10m
English
Content preview from MySQL 8 Administrator???s Guide
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Spatial index characteristics
MySQL 8 follows the following rules for spatial index characteristics:
- It is only available for InnoDB and MyISAM storage engines; if you try to use it for other storage engines, then MySQL 8 gives an error.
- A NULL value is not allowed for indexed columns.
- A prefix attribute is not allowed for this column. Full width will be considered for the index.
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