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BAS and a Multi-User Estimating Database Margaret Gormley Cleveland Electric Illuminating Company Toledo, Ohio Our organization used a SAS Version 5.18 program to generate a "Summary Level Planning Worksheet" (SLPW). The SLPW is an eight page summary of a major project or modification submittal to our plant. It contains prioritization information, schedule data, man-hours and costs associated with each project. The code was a mix of SAS macros, SAS AF, SAS FSP and Base SAS Code for report writing, in addition to a multitude ofCLISTs The system was designed to handle only one user at a time and it was very slow. Both of these problems were related to the fact that as the user edited an individual record, the whole database was opened and recalculated during the edit process. There were no relationships between records. We converted the application to release 6.07 and utilizing SAS/SQL rewrote the application not only to make it more user friendly, but to allow for concurrent users and have the calculations occur as each record was modified, not as a batch update. This reduced the amount of time of processing each record from about 15 minutes to 4 minutes and code was reduced from 17,000+ lines to less than 10,000. Proceedings of MWSUG '95 450 Coder's Corner Posters