System for accessing a row of time-dependent data by referring to a composite index table indicating page locations of linked row labels

Data is retrieved from a database, whose physical organization (indexed matrix) is similar to the logical organization (spread sheet) of the data, by requesting the parameters and the desired time interval. A data interface locates pages in the database containing the requested parameters. Entries from page indexes relating to desired parameters are consolidated into a master composite index. Pages relating to the time period requested are then bound and searched to find the desired data. This data is then returned to the requesting application.