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SELECT * FROM `schema_unused_indexes`

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object_schema	object_name	index_name
Airport	Tickets	Tickets_fk7
Airport	Tickets	Tickets_fk9
Airport	Tickets	Tickets_fk8
Estacionamiento	Entrada	Aforo
performance_schema	cond_instances	NAME
performance_schema	data_lock_waits	BLOCKING_THREAD_ID
performance_schema	data_lock_waits	REQUESTING_ENGINE_LOCK_ID
performance_schema	data_lock_waits	REQUESTING_ENGINE_TRANSACTION_ID
performance_schema	data_lock_waits	BLOCKING_ENGINE_LOCK_ID
performance_schema	data_lock_waits	REQUESTING_THREAD_ID
performance_schema	data_lock_waits	BLOCKING_ENGINE_TRANSACTION_ID
performance_schema	data_locks	THREAD_ID
performance_schema	data_locks	OBJECT_SCHEMA
performance_schema	data_locks	ENGINE_TRANSACTION_ID
performance_schema	events_waits_summary_by_instance	EVENT_NAME
performance_schema	file_instances	EVENT_NAME
performance_schema	file_summary_by_instance	EVENT_NAME
performance_schema	file_summary_by_instance	FILE_NAME
performance_schema	host_cache	HOST
performance_schema	metadata_locks	OWNER_THREAD_ID
performance_schema	metadata_locks	OBJECT_TYPE
performance_schema	mutex_instances	NAME
performance_schema	mutex_instances	LOCKED_BY_THREAD_ID
performance_schema	prepared_statements_instances	STATEMENT_NAME
performance_schema	prepared_statements_instances	STATEMENT_ID

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