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公开(公告)号：US20200320082A1
公开(公告)日：2020-10-08
申请号：US16372951
申请日：2019-04-02
Applicant: SAP SE
Inventor： Julian Schwing , Christoph Weyerhaeuser , Johannes Merx , Davide Corradi , Timo Hochberger
IPC: G06F16/2455 , G06F16/22 , G06F16/21 , G06F16/25 , G06F16/2453
Abstract: A calculation engine of a database management system is described that determines a multiprovider includes a first data source and a second data source that each require different approaches for operation optimization. The calculation engine can split the multiprovider into a first node corresponding to a first operation compatible with the first data source and a second node corresponding to a second operation compatible with the second data source. The calculation engine can perform the first operation at the first data source to produce a first result and perform the second operation at the second data source to produce a second result. The calculation engine can then merge the first result and the second result according to a third operation, and perform such third operation at the first data source.
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公开(公告)号：US10565228B2
公开(公告)日：2020-02-18
申请号：US15451322
申请日：2017-03-06
Applicant: SAP SE
Inventor： Martin Heidel , Michael Muehle , Reiner Singer , Johannes Haeussler , Timo Hochberger , Mohamed Ali Chriki , Sascha Bastke
Abstract: Testing a database replication system within a multi-container system architecture comprises receiving a first request for creating a database recovery system within a multi-container system architecture. The multi-container system architecture is configured to contain a plurality of tenant databases and a system database, and the database recovery system includes a primary system and a secondary system. The primary system is then identified from the information in the first request. Upon identification, a first tenant database included in the plurality of tenant databases is determined that corresponds to the identified primary system. Upon determining the first tenant database, a second tenant database of the plurality of tenant database is generated that corresponds to the secondary system, and which is enabled to test replicating information that would otherwise be associated with the first tenant database. Related apparatus, systems, techniques and articles are also described.
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公开(公告)号：US11893026B2
公开(公告)日：2024-02-06
申请号：US16372951
申请日：2019-04-02
Applicant: SAP SE
Inventor： Julian Schwing , Christoph Weyerhaeuser , Johannes Merx , Davide Corradi , Timo Hochberger
IPC: G06F16/2453 , G06F16/2455 , G06F16/22 , G06F16/25 , G06F16/21
CPC classification number: G06F16/24561 , G06F16/217 , G06F16/2282 , G06F16/24544 , G06F16/256
Abstract: A calculation engine of a database management system is described that determines a multiprovider includes a first data source and a second data source that each require different approaches for operation optimization. The calculation engine can split the multiprovider into a first node corresponding to a first operation compatible with the first data source and a second node corresponding to a second operation compatible with the second data source. The calculation engine can perform the first operation at the first data source to produce a first result and perform the second operation at the second data source to produce a second result. The calculation engine can then merge the first result and the second result according to a third operation, and perform such third operation at the first data source.
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