Patent ID: 11893014
Assignee: OCIENT HOLDINGS LLC
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 17:
18. The non-transitory computer readable storage medium of claim 17, wherein the operations further include:
generating conversion selection data, based on CNF conversion cost data associated with the one query and DNF conversion cost data associated with the one query, that indicates a selection to perform, upon a query expression corresponding to the one query, exactly one of: a CNF conversion or a DNF conversion;
generating a normalized query expression by performing the exactly one of: the CNF conversion or the DNF conversion upon the query expression based on the conversion selection data; and
generating a query operator execution flow for the one query based on the normalized query expression;
wherein the query data of the one query indicates:
an arrangement of a plurality of operators of the query operator execution flow for the one query generated based on the normalized query expression; and
query processing cost estimate data for the one query generated based on the plurality of operators of the query operator execution flow, wherein the query processing cost estimate data for the one query indicates at least one of: the memory usage estimate of the one query, the internal runtime estimate, or the external runtime estimate of the one query.