{"created":"2025-01-19T00:06:21.709944+00:00","updated":"2025-01-21T01:37:14.176387+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00126750","sets":["6504:8067:8073"]},"path":["8073"],"owner":"1","recid":"126750","title":["2フェーズオンラインDB再構成方式"],"pubdate":{"attribute_name":"公開日","attribute_value":"1994-09-20"},"_buckets":{"deposit":"8eb688f6-26e6-4190-b205-08dd68f29390"},"_deposit":{"id":"126750","pid":{"type":"depid","value":"126750","revision_id":0},"owners":[1],"status":"published","created_by":1},"item_title":"2フェーズオンラインDB再構成方式","author_link":[],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"2フェーズオンラインDB再構成方式"},{"subitem_title":"2 Phase on-line database restructuring","subitem_title_language":"en"}]},"item_type_id":"22","publish_date":"1994-09-20","item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_22_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"NTT情報通信研究所"},{"subitem_text_value":"NTT情報通信研究所"}]},"item_22_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"NTT INformation and Communication Systems Laboratories","subitem_text_language":"en"},{"subitem_text_value":"NTT INformation and Communication Systems Laboratories","subitem_text_language":"en"}]},"item_publisher":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"情報処理学会","subitem_publisher_language":"ja"}]},"publish_status":"0","weko_shared_id":-1,"item_file_price":{"attribute_name":"Billing file","attribute_type":"file","attribute_value_mlt":[{"url":{"url":"https://ipsj.ixsq.nii.ac.jp/record/126750/files/KJ00001340240.pdf"},"date":[{"dateType":"Available","dateValue":"1994-09-20"}],"format":"application/pdf","filename":"KJ00001340240.pdf","filesize":[{"value":"181.6 kB"}],"mimetype":"application/pdf","accessrole":"open_date","version_id":"41e9faae-be28-4aad-aff6-637956c90aa0","displaytype":"detail","licensetype":"license_note"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_5794","resourcetype":"conference paper"}]},"item_22_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN00349328","subitem_source_identifier_type":"NCID"}]},"item_22_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"24時間無中断で稼働するネットワークの構成要素としてのデータベース管理システム(DBMS)では,サービスを継続しながらデータベース(DB)再構成を行うオンラインDB再構成が必要である.ここでの\"オンライン\"はトランザクション処理が行われている(処理を停止しない)ことを意味する.現状,オンラインDB保守としてはおもにデータのロード/アンロード,再編成が実現されている.しかしDBのスキーマを変更する再構成や,データ実体のファイル内での移動を伴う再編成の処理は,一般的にサービスをオフライン状態にして行う必要がある.ここでは,オンライン状態でDB再構成処理を行うための方法として2フェーズDB再構成方式を提案する.また,メインメモリデータベースで性能を向上する方法としてロックヒストリを用いた更新同期方式を提案する.","subitem_description_type":"Other"}]},"item_22_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"306","bibliographic_titles":[{"bibliographic_title":"全国大会講演論文集"}],"bibliographicPageStart":"305","bibliographicIssueDates":{"bibliographicIssueDate":"1994-09-20","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"ソフトウェア","bibliographicVolumeNumber":"第49回"}]},"relation_version_is_last":true,"weko_creator_id":"1"},"id":126750,"links":{}}