Select Perspective
A
logical data model is designed as part of the Data Architecture Delivery
Phase of the Supply Workflow of the Select
Perspective. This model is derived from the Business Component
Information Model (BCIM) as described in the Business-Data
cell. Additional detail is added to the UML Business Class
attributes and the model is checked for 3rd normal
form.
Select Business Solutions recommend that
the BCIM created for projects be copied, collated and rationalized in
the Enterprise model.
If project BCIM do not
exist or are considered to be out-of-date, then it is recommended that one
be created in the Enterprise.
Whichever way the Enterprise
BCIM is created, the normalised E/R-type model may be created from
it.
Select Solution Factory
If
project logical data models exist in Select
Architect (logical Table Relationship Diagrams) they may be copied into the
Enterprise model using Select Model
Copy then collated and
rationalized.
If
projects are using an ODBC compliant database, the data schema may be
imported into SCA using
the Select Database Schema Reverser
(this may fulfil the requirements of the
Technolgy-Data cell); the
resulting model should then be normalised.
If required, the model resulting from either of the two techniques above may be
converted to a BCIM with the aid of the Select ORSync
tool.
If BCIM exist for projects,
use Select Model Copy to copy them to the Enterprise model then collate and
rationalize them and, if required, produce the logical data model using
Select
ORSync.
If none of the above data model
sources exist, Select Business
Solutions recommends that the BCIM created for the
Business-Data cell be enhanced and, if
required, produce the logical data model using Select
ORSync.
The following
is an example of the E/R notation used in SCA Table
Relationship diagrams:
