Query processing

Introduced: January 2019

Full Title

Information retrieval; Database structures therefor; File system structures therefor > of structured data, e.g. relational data > Querying > Query processing

Of 6 combined children, 5 exist in both systems.

1 codes are CPC-only extensions.

IPC defines codes here since 2019.

Child Classifications

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G06F 16/2452 Query translation since 2019 +4 CPC IPC+CPC Available in IPC and CPC
G06F 16/2453 Query optimisation since 2019 +2 CPC IPC+CPC Available in IPC and CPC
G06F 16/2455 Query execution since 2019 +4 CPC IPC+CPC Available in IPC and CPC
G06F 16/24569 CPC only CPC only
G06F 16/2457 with adaptation to user needs since 2019 +3 CPC IPC+CPC Available in IPC and CPC
G06F 16/2458 Special types of queries, e.g. statistical queries, fuzzy queries or distributed queries since 2019 +6 CPC IPC+CPC Available in IPC and CPC