Non-blocking Creation and Maintenance of Materialized Views

The approach used in this document is to create an assisting table as a bridge between the base table and view, on which only projection of non-identifying attributes is performed. This makes it possibly to distinguish individual records to enable log recovery methods to keep the assisting table con...

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Hauptverfasser:	Jonasson Øystein Aalstad , Norges teknisk-naturvitenskapelige universitet, Institutt for datateknikk og informasjonsvitenskap, Jonasson Øystein Aalstad, Norway’s technical-natural science university, Institut for datateknikk og informasjonsvittik
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Sprache:	eng ; swe
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Beschreibung
Zusammenfassung:	The approach used in this document is to create an assisting table as a bridge between the base table and view, on which only projection of non-identifying attributes is performed. This makes it possibly to distinguish individual records to enable log recovery methods to keep the assisting table consistent with the base table. The assisting table can then be used to create and maintain the view without blocking the base table. The approach used in this document is to create an assisting table as a bridge between the base table and view, on which only projection of non-identifying attributes is performed. This makes it possibly to distinguish individual records to enable log recovery methods to keep the assisting table consistent with the base table. The assisting table can then be used to create and maintain the view without blocking the base table.