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OceanBase DatabaseThis view is supported in V1.4 and later versions.
The mysql.help_category view is used to generate the HELP command in coordination with the following three tables: mysql.help_relation, mysql.help_topic, and mysql.help_keyword.
| Column | Type | Nullable? | Description |
|---|---|---|---|
| help_category_id | bigint(20) | NO | The ID of the category. |
| name | varchar(64) | NO | The name of the category. |
| parent_category_id | bigint(20) | YES | The ID of the parent category. |
| url | varchar(65535) | NO | The URL. |
