METHODS, PROGRAM PRODUCT, AND SYSTEM OF DATA MANAGEMENT HAVING CONTAINER APPROXIMATION INDEXING

Systems, program product, and methods of data management are provided. The system can include a computer having memory, a dataset including a relatively large number of records, and container approximation indexing program product stored in the memory of the computer and adapted to cause the computer to sort the dataset of records by key field values into a finite number of data containers being less than or equal to a maximum number of file descriptors permitted to be simultaneously opened.