{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8484220","patent":{"patent_number":"US-8484220","title":"Clustered index with differentiated subfields","assignee":null,"inventors":[],"filing_date":"2007-03-06T00:00:00.000Z","publication_date":"2013-07-09T00:00:00.000Z","cpc_codes":["G06F","G06F","G06F","G06F","G06F"],"num_claims":18,"abstract":"A database system uses indexes to improve performance. The system can use one or more of the following: differentiated subfields for index clustering; set function calculations to reduce the amount of I/O; and/or using an inferred index in a circular table."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Clustered index with differentiated subfields","description":"A database system uses indexes to improve performance. The system can use one or more of the following: differentiated subfields for index clustering; set function calculations to reduce the amount of","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8484220","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-8484220","citation_suggestion":"Patentable. \"Clustered index with differentiated subfields\" (US-8484220). https://patentable.app/patents/US-8484220","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8484220","json":"https://patentable.app/api/llm-context/US-8484220","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T03:14:11.947Z"}