Boots – shoes – and leggings
Patent
1995-06-07
1996-07-09
Black, Thomas G.
Boots, shoes, and leggings
395700, 395500, 3649747, 3642824, 364DIG1, 364DIG2, G06F 1730
Patent
active
055353860
ABSTRACT:
Each element of a database may have multiple versions; the versions are partitioned into branches, and versions of a branch are ordered linearly according to their timestamps. Branches are timestamped and related to one another by a version graph. Each version of an element of a database is represented by a unique identifier, a timestamp, a branch name and a value. A new version of an element associated with a branch is created in response to an operation associated with the branch which would modify the element. An object graph in the database is represented independent of the branches and version; an application coded for elements in one version (and branch) can be reused for the same elements in a different version and (different branch) without any re-coding effort. Methods for long duration transactions, cooperative transactions and schema evolutions are provided.
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Black Thomas G.
Donaldson Richard L.
Heiting Leo N.
Lintz Paul R.
Texas Instruments Incorporated
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