POSC Meta Model Specifications Version 2.3 |
Meta Data Relational Implementation |
This entity stores the details of a change request. It provides grouping of changes resulting from a change request. Each group has an instance in this entity with the type of change, a title and a description (through the obj_desc entity). It has a relationship to changed_objects that describe the objects involved in the change. If the object has been deleted, it should contain a title that specifies the deleted object.
- change_s (PK, M: CHAR VARYING(19))
- Surrogate key of the table.
- type_of_change (M: CHAR(1))
- change.type_of_change
This is the type of change, which can be one of 'A'dd, 'M'odify or 'D'elete.
- parent_request (FNK, M: CHAR(4))
- change.parent_request
The request that generated this change.
Defines a foreign key to table change_request.
- title (O: CHAR VARYING(2000))
- change.title
This title can be used to identify the object involved in the change. There is a capility to embed links to entities and types in this title by using the following syntax anywhere in the text: @.@ can be one of: ENT (entity) TYP (name data type) EPT (epicentre/simple type) is the name of the entity, named data type or epicentre/simple type.
Table is related to: changed_object
Primary Key Constraint on: CHANGE_S
© Copyright 1997-2001 POSC. All rights reserved.