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MariaDB [(none)]> help contents
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You asked for help about help category: "Contents"
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For more information, type 'help <item>', where <item> is one of the following
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categories:
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Account Management
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Administration
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Compound Statements
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Data Definition
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Data Manipulation
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Data Types
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Functions and Modifiers for Use with GROUP BY
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Functions
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Geographic Features
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Help Metadata
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Language Structure
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Plugins
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Procedures
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Sequences
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Table Maintenance
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Transactions
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User-Defined Functions
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Utility
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MariaDB [(none)]> help Procedures
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Nothing found
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Please try to run 'help contents' for a list of all accessible topics
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MariaDB [(none)]> help Language Structure
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Nothing found
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Please try to run 'help contents' for a list of all accessible topics
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I assume this affects other versions as well.
Anecdotally, these help items were there in 10.3, but seemed very short / unfinished, so removing them was probably deliberate.
I suppose they must have been deleted from the mysql.help_topic table:
MariaDB [mysql]> SELECT * FROM help_category WHERE help_category_id IN(35, 29, 33);
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+------------------+--------------------+--------------------+-----+
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| help_category_id | name | parent_category_id | url |
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+------------------+--------------------+--------------------+-----+
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| 29 | Language Structure | 35 | |
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| 33 | Procedures | 35 | |
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| 35 | Contents | 0 | |
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+------------------+--------------------+--------------------+-----+
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3 rows in set (0.005 sec)
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MariaDB [mysql]> SELECT help_topic_id, name, help_category_id FROM help_topic WHERE help_category_id IN (29, 33);
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Empty set (0.002 sec)
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"Procedures" could maybe just be made to refer to the procedure-related help topics?
MariaDB [mysql]> SELECT help_topic_id, name, help_category_id FROM help_topic WHERE name LIKE '%procedure%';
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+---------------+-----------------------+------------------+
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| help_topic_id | name | help_category_id |
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+---------------+-----------------------+------------------+
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| 214 | PROCEDURE ANALYSE | 17 |
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| 431 | PROCEDURE | 27 |
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| 657 | CREATE PROCEDURE | 39 |
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| 362 | SHOW CREATE PROCEDURE | 26 |
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| 387 | SHOW PROCEDURE CODE | 26 |
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| 388 | SHOW PROCEDURE STATUS | 26 |
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| 645 | ALTER PROCEDURE | 39 |
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| 670 | DROP PROCEDURE | 39 |
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+---------------+-----------------------+------------------+
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8 rows in set (0.001 sec)
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