Buying guide
Data warehouse or reporting directly from business systems?
Direct reporting can suit a small, current view of one system. A warehouse becomes useful when reports need combined sources, shared definitions or dependable history.
Use direct reporting when the scope is limited
A source system's report or supported reporting interface may be enough when one team needs current operational information. Check query limits, performance and permissions. Avoid placing an unpredictable analytical load on a production system whose main responsibility is processing live work.
Use a reporting store when history matters
Operational records change. If a report must reproduce what was known at a past reporting date, an isolated query of today's records may not be sufficient. A reporting store can preserve snapshots and transformations, provided its historical rules and correction process are deliberately designed.
Consider a warehouse for shared measures
When finance and operations repeatedly join several systems, centralising those transformations can reduce inconsistent calculations. A warehouse stores prepared data for reporting; it does not settle disagreements about definitions. Business owners still need to agree the measures and review their use.
Account for freshness and maintenance
Copied data introduces a delay between source changes and reports. Agree how much delay each decision can tolerate and show refresh status. Include pipeline monitoring, source changes, access management and recovery in the cost comparison. A warehouse without an owner can become another source of stale figures.
Choose from evidence, then expand
List the first report's sources, history requirements, users and refresh needs. Implement the smallest approach that meets them and identify what would trigger a change. A read replica, scheduled extract or managed reporting layer can be an intermediate option. Avoid committing to a large platform solely because future reporting might become complex.
Take the next step
Explore the approach and evidence
Discuss your reporting problem
Bring an example of the current process and the decision you need to improve. We can help define a useful first release and assess whether a build is the right next step.
