Access to data stored in an embedded database
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United States of America Patent
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Feb 22, 2011
Grant Date -
Dec 2, 2004
app pub date -
Sep 30, 2002
filing date -
Oct 1, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The solution concerns the access to a number of data files stored in the memory of a data processing device. The device includes a privilege file (P1-P3) associated with a user type (ADM, PUBLIC, USER1, USER2), the privilege file identifying for at least one command (SEL, INS, UPD, SUP) the data files on which the command can be executed. A microcontroller is programmed to create, when a user accesses the data files, a set of flags from the privilege file, each flag being associated with a unique data file, the flag indicating whether or not the command can be executed on the associated file.
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