User friendly data base access
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United States of America Patent
Stats
-
Jul 23, 1985
Grant Date -
N/A
app pub date -
Jan 21, 1983
filing date -
Jan 21, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Data base administrator (10) creates program communication blocks (11), and programmer (12) writes programs (13) using the program communication blocks (PCBs) to store data in bulk storage device (14). A user (15) not having data processing skills or experience is enabled by means of a utility to access data in bulk storage device (14) via the PCBs (11). The utility first reads the data base descriptions (DBDs) and PCB source statements and constructs a data directory, consolidating access paths into entry data bases which are displayed to the user (15) as a menu. The utility then evaluates all possible access paths that will satisfy a user query, weights them according to their efficiency, and selects the best.
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