Patent
1993-07-01
1997-12-23
Black, Thomas G.
395604, 395611, 395613, 395348, 395352, G06F 1730
Patent
active
057014531
ABSTRACT:
Logical schemas are used to allow an end user the ability to access and manipulate relational database data without knowledge of the structure of the relational database. A logical schema is first created specifying which tables are available to an end user, and the relationships between columns of those tables. The logical schema defines a structure for the data fields having a master level and a plurality of detail levels. An end user may manipulate the logical schema using a graphical interface to build customized forms, reports, and queries. An end user is not required to be familiar with a database query language, such as SQL, or the structure of the relational database.
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Jackson Brian D.
Maloney Christopher W.
Mayfield Kevin B.
Mills Mark A.
Tracy Kent A.
Alam Hosain T.
Black Thomas G.
Informix Software, Inc.
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