mysql.spider_table_crd Table

The mysql.spider_table_crd table stores cardinality statistics for Spider tables, which the optimizer uses to create efficient query plans.

The mysql.spider_table_crd table is installed by the Spider storage engine.

This table uses the Aria storage engine.

It contains the following fields:

Field	Type	Null	Key	Default	Description
db_name	char(64)	NO	PRI
table_name	char(199)	NO	PRI
key_seq	int(10) unsigned	NO	PRI	0
cardinality	bigint(20)	NO		0

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