Final answer:
The incorrect choice for why business analysis is difficult with operational databases is 'c) Too much historical data', as these databases are not designed to store vast amounts of historical data.
Step-by-step explanation:
The question posed by the student refers to the difficulties encountered when conducting business analysis using operational databases, such as Transaction Processing Systems (TPS). Among the options provided, 'c) Too much historical data' is not a reason why business analysis is difficult to achieve from operational databases. Operational databases are generally designed for routine transaction processing and do not typically keep excessive historical data; instead, they are characterized by limited data retention for operational efficiency.
The major limitations faced in such databases include a) Limited data availability, b) Inconsistency in data formats, and d) Lack of standardized data. These obstacles can lead to difficulties in analyzing data for more strategic business decisions.