STORE DOCS / DIAGRAMS
Single or multiple stores: coupled sources
Single or multiple stores: coupled sources
Tightly coupled data sources favor one store when atomic updates are required or combining data in one store is less complex; otherwise use multiple stores, and evaluate independent sources in part 2.
01 / START WITH COUPLING
YES
NO
NO
YES
YES
NO
Are your data sources
tightly coupled?
Do you require atomic updates
across data sources?
Is combining data within
a single store less complex?
Independent sources
Continue in part 2
Use a single store
Use multiple stores
Question
Outcome
Continue in part 2
Tightly coupled data sources favor one store when atomic updates are required or combining data in one store is less complex; otherwise use multiple stores, and evaluate independent sources in part 2.