Embodiments provide techniques for creating and managing accumulator tables for use in generating reports for a business entity. Embodiments include identifying a report for a business entity. A plurality of data fields are determined across two or more database tables that are used to generate the report. Embodiments include creating an accumulator table and populating the accumulator table with data values for all of the plurality of data fields. Upon receiving, from a point of sale system, an indicator of an occurrence of a business event for the business entity, an instance of the report is automatically generated using the populated accumulator table.