Method for the storage of multi-versioned data with retrieval ba

Details Method for the storage of multi-versioned data with retrieval ba Method for the storage of multi-versioned data with retrieval ba

1990-10-24

1994-05-31

Lee, Thomas C.

Boots, shoes, and leggings

3642821, 3642831, 364DIG1, G06F 706

Patent

active

053177290

ABSTRACT:
A method for storage and retrieval of both time-oriented versions and view-oriented versions of engineering change information in which the engineering change information progresses through a set of status conditions and access to the data by different user groups is conditioned upon the status of the information. Version control software logic enables users to create versioned objects by logical key grouping of data elements. The version control logic acts upon the logical keys and special versioned attributes of these objects for the proper specification and selection of object instances during creation, update or retrieval processing. Insert and extract sequence numbers are automatically generated for both historical preservation of previous engineering change information and efficient retrieval of the currently effective designs. Instance level security facilitates the merger of different versions of the engineering change data having different engineering change status levels so that similar types of data can be contained within a single data base table.

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