Object extending method

Details Object extending method Object extending method

1994-12-23

1998-01-20

Amsbury, Wayne

395613, 395671, 395703, G06F 1730

Patent

active

057109206

ABSTRACT:
In an object extending method for use in an object-oriented data base system having an object having an attribute, a relation and a procedure and a definition object having definition information determining a structure of the object, information on changes in attribute, relation and procedure which accompany a change in the definition object is held as a parts object in the definition object, and data to be newly appended to the object as a result of the change in the definition object is held as a parts object in the object, so that work to change the object in accordance with a change in schema may be reduced.

REFERENCES:
patent: 4914568 (1990-04-01), Kudosky et al.
patent: 5327559 (1994-07-01), Priven et al.
patent: 5475843 (1995-12-01), Halviatti et al.
patent: 5495567 (1996-02-01), Iizawa et al.
patent: 5561752 (1996-10-01), Jevans
patent: 5590330 (1996-12-01), Talati

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