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mysql.help_relation Table

mysql.help_relation is one of the four tables used by the HELP command. It is populated when the server is installed by the fill_help_tables.sql script. The other help tables are help_topic, help_category and help_keyword.

This table uses the Aria storage engine. Prior to MariaDB 10.4 it used the MyISAM engine.

The mysql.help_relation table contains the following fields:

Field Type Null Key Default Description
help_topic_id int(10) unsigned NO PRI NULL
help_keyword_id int(10) unsigned NO PRI NULL

Example

...
|           106 |             456 |
|           463 |             456 |
|           468 |             456 |
|           463 |             457 |
|           194 |             458 |
|           478 |             458 |
|           374 |             459 |
|           459 |             459 |
|            39 |             460 |
|            58 |             460 |
|           185 |             460 |
|           264 |             460 |
|           269 |             460 |
|           209 |             461 |
|           468 |             461 |
|           201 |             462 |
|           468 |             463 |
+---------------+-----------------+
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https://mariadb.com/kb/en/mysqlhelp_relation-table/