UNIFIED PERSISTENCE OVERALL FEATURE

Abstract: a database system detects an operation to move a first database object from an in-memory store to a persistence store, wherein the first database object is in either a page-loadable or column-loadable format in the in-memory store, and wherein the first database object comprises a plurality of subcomponents. each subcomponent of the first database object is examined separately from other subcomponents of the plurality of subcomponents. in response to determining that a first subcomponent of the plurality of subcomponents has a datatype and a compression type supported by a unified persistence format, the first subcomponent is stored in a unified persistence format in the persistence store. in response to determining that a second subcomponent of the plurality of subcomponents has either a datatype or a compression type which is not supported by the unified persistence format, the second subcomponent is stored in a serial persistence format in the persistence store.

Inventor(s): Janardhan Hungund, Amit Pathak, Amit Saonerker, Deepak Shrivastava, Souvik Pal, Sebastian Seifert, Robert Schulze, Mihnea Andrei

CPC Classification: G06F16/2291 ({User-Defined Types; Storage management thereof})

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