Which statement is not correct?

a. Analytics techniques are more and more used at the operational level as well by front-line employees.

b. Analytics for tactical/strategic decision-making increasingly uses real-time operational data combined with the aggregated and historical data found in more traditional data warehouses.

c. The operational usage of business intelligence aims for a low (or even zero) latency so interesting events or trends in the data can be immediately detected and accompanied with the appropriate response.

d. Nowadays, we see a complete divergence of the operational and tactical/strategic data needs and of the corresponding data integration tooling.