SELECT * FROM INFORMATION_SCHEMA.TABLES
WHERE TABLE_SCHEMA = 'mysql' AND TABLE_NAME LIKE 'help_%';
TABLE_CATALOG	TABLE_SCHEMA	TABLE_NAME	TABLE_TYPE	ENGINE	VERSION	ROW_FORMAT	TABLE_ROWS	AVG_ROW_LENGTH	DATA_LENGTH	MAX_DATA_LENGTH	INDEX_LENGTH	DATA_FREE	AUTO_INCREMENT	CREATE_TIME	UPDATE_TIME	CHECK_TIME	TABLE_COLLATION	CHECKSUM	CREATE_OPTIONS	TABLE_COMMENT
NULL	mysql	help_category	BASE TABLE	MyISAM	10	Fixed	0	#ARL#	#DL#	#MDL#	#IL#	#DF#	NULL	YYYY-MM-DD hh:mm:ss	YYYY-MM-DD hh:mm:ss	YYYY-MM-DD hh:mm:ss	utf8_general_ci	NULL		help categories
NULL	mysql	help_keyword	BASE TABLE	MyISAM	10	Fixed	0	#ARL#	#DL#	#MDL#	#IL#	#DF#	NULL	YYYY-MM-DD hh:mm:ss	YYYY-MM-DD hh:mm:ss	YYYY-MM-DD hh:mm:ss	utf8_general_ci	NULL		help keywords
NULL	mysql	help_relation	BASE TABLE	MyISAM	10	Fixed	0	#ARL#	#DL#	#MDL#	#IL#	#DF#	NULL	YYYY-MM-DD hh:mm:ss	YYYY-MM-DD hh:mm:ss	YYYY-MM-DD hh:mm:ss	utf8_general_ci	NULL		keyword-topic relation
NULL	mysql	help_topic	BASE TABLE	MyISAM	10	Dynamic	0	#ARL#	#DL#	#MDL#	#IL#	#DF#	NULL	YYYY-MM-DD hh:mm:ss	YYYY-MM-DD hh:mm:ss	YYYY-MM-DD hh:mm:ss	utf8_general_ci	NULL		help topics
SELECT * FROM INFORMATION_SCHEMA.STATISTICS
WHERE TABLE_SCHEMA = 'mysql' AND TABLE_NAME LIKE 'help_%';
TABLE_CATALOG	TABLE_SCHEMA	TABLE_NAME	NON_UNIQUE	INDEX_SCHEMA	INDEX_NAME	SEQ_IN_INDEX	COLUMN_NAME	COLLATION	CARDINALITY	SUB_PART	PACKED	NULLABLE	INDEX_TYPE	COMMENT
NULL	mysql	help_category	0	mysql	PRIMARY	1	help_category_id	A	0	NULL	NULL		BTREE	
NULL	mysql	help_category	0	mysql	name	1	name	A	0	NULL	NULL		BTREE	
NULL	mysql	help_keyword	0	mysql	PRIMARY	1	help_keyword_id	A	0	NULL	NULL		BTREE	
NULL	mysql	help_keyword	0	mysql	name	1	name	A	0	NULL	NULL		BTREE	
NULL	mysql	help_relation	0	mysql	PRIMARY	1	help_keyword_id	A	NULL	NULL	NULL		BTREE	
NULL	mysql	help_relation	0	mysql	PRIMARY	2	help_topic_id	A	0	NULL	NULL		BTREE	
NULL	mysql	help_topic	0	mysql	PRIMARY	1	help_topic_id	A	0	NULL	NULL		BTREE	
NULL	mysql	help_topic	0	mysql	name	1	name	A	0	NULL	NULL		BTREE	
