Wikibase/Schema

New tables

Wikis with the Wikibase Repo extension installed have the following additional database tables:

• wb_items_per_site
• wb_id_counters
• wb_changes_subscription
• wb_property_info
• wbt_item_terms, wbt_property_terms, wbt_term_in_lang, wbt_text_in_lang, wbt_text, wbt_type: see Item & Property Terms
• wb_entity_per_page (removed)
• wb_terms (removed)

Optional in the repo database or could be a separate database are tables to hold changes data:

• wb_changes
• wb_changes_dispatch

Wikis with the Wikibase Client extension installed will have the following tables:

• wbc_entity_usage

Existing tables

The following changes are done to the default MediaWiki tables:

• content_models
  Add new content models: wikibase-item, wikibase-lexeme, wikibase-property
• page_props
  Add some counters: wb-claims, wb-identifiers, wb-sitelinks.
• ...

See also

• Manual:Database layout