| 摘要 |
A system to create a first database object in the object-oriented database, the first database object associated with a primary key, a first group ID m, and a first delta ID m, associate a first pointer with the first database object, create a second database object in the object-oriented database, the second database object associated with the primary key, a second group ID n, and a second delta ID n, associate a second pointer with the second database object, and create a third database object in the object-oriented database, the third database object associated with the primary key, the first group ID m, and a third delta ID m+1. The third database object is associated with a change to the first database object.
|
