The following below set of Magento 2.x Database Tables created while , Magento 2.x Search configured with Algolia Search.
Algolia Search Tables in Magento 2.x Database
algoliasearch_landing_page
Store Meta Tags details [Title, Description, Keywords etc.] of landing_page
algoliasearch_query
Store Search Query Results with Store ID & Images
algoliasearch_queue
Store Search Query Results in the queue
algoliasearch_queue_archive
Store Search Query Results in archive
algoliasearch_queue_log
Store Search Query Results with Log details
algolia_additional_sections_cl
Store Catalog ID (entity_id)
algolia_categories_cl
Store Categories ID (entity_id)
algolia_delete_products_cl
Store Deleted Products ID (entity_id)
algolia_pages_cl
Store CMS Pages ID (entity_id)
algolia_products_cl
Store Products ID (entity_id)
algolia_queue_runner_cl
Store Currently running Search Query Results queue Catalog / CMS Pages ID (entity_id)
algolia_suggestions_cl
Store Search Query Results suggestions ID (entity_id)