Patent ID: 11886437
Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. A computer implemented method comprising:
receiving by primary database system a query statement that references a first table, wherein the primary database system is associated to a first accelerator database system and a second accelerator database system;
examining latency data that specifies a latency with which a modification to the first table has been replicated into the first accelerator database system and a latency with which a modification to the first table has been replicated into the second accelerator database system, wherein the examining includes examining historical latency data that specifies latencies of a history of replications of modifications of the first table;
selecting, in dependence on the examining, the first accelerator database system for execution of the query statement; and
routing the query statement to the first accelerator database system for execution in response to the selecting.