MySQL 8.0 Reference Manual Including MySQL NDB Cluster 8.0
The COLUMN_STATISTICS table provides
access to histogram statistics for column values.
For information about histogram statistics, see Section 10.9.6, “Optimizer Statistics”, and Section 15.7.3.1, “ANALYZE TABLE Statement”.
You can see information only for columns for which you have some privilege.
The COLUMN_STATISTICS table has these
columns:
SCHEMA_NAME
The names of the schema for which the statistics apply.
TABLE_NAME
The names of the column for which the statistics apply.
COLUMN_NAME
The names of the column for which the statistics apply.
HISTOGRAM
A JSON object describing the
column statistics, stored as a histogram.