The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 03, 2021

Filed:

Feb. 23, 2018
Applicant:

Sap SE, Walldorf, DE;

Inventors:

Florian Wolf, Ilmenau, DE;

Norman May, Karlsruhe, DE;

Paul Willems, Heidelberg, DE;

Kai-Uwe Sattler, Ilmenau, DE;

Assignee:

SAP SE, Walldorf, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 16/2453 (2019.01);
U.S. Cl.
CPC ...
G06F 16/24542 (2019.01); G06F 16/24549 (2019.01);
Abstract

In some implementations, there is provided an apparatus having at least one data processor and at least one memory storing instructions which, when executed by the at least one data processor, cause executing at least a portion of a query execution plan; determining, at an edge including an intermediate result, a cardinality; proceeding with the execution of the query execution plan, when the determined cardinality is within an optimality range associated with the edge; and selecting an alternative query execution plan for execution, when the determined cardinality is outside the optimality range associated with the edge. Related systems and articles of manufacture are also provided.


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