1. Phil Bernstein Microsoft Corp.
Microsoft Repository
Phil Bernstein
Microsoft Corp. 1
© 1999 Microsoft Corp..

2. Introduction
Model – a labeled directed graph that describes a software artifact
SQL Schema
OO interface
XML DTD
UML model
Workflow definition
Web site map
Computer system description
A repository is a system to manage models 2
© 1999 Microsoft Corp..

3. Microsoft Repository Includes
select all
cust
emp
dept
dno
dna
Customer
Bill
Marketing
Update
Inventory
Credit
Authorize
Order
Entry
Delivery
Schedule
Model-Driven Tools
Browser
XML import/export
Scripting language
Model editor
Component mgr
Information Model
COM interfaces
SQL schema
Highly Extensible
Spec
Tables
VC++ Code
Architecture
VB Code
ERD
Forms
Engine API
Repository
Engine
Objects, properties
Rich relationships
Extensibility
Versioning
Standard DB Engine
SQL Server, Jet
Others from Platinum
Database System 3
© 1999 Microsoft Corp..

4. The Killer Meta-Data App
Creating and maintaining a Data Warehouse is hard. You need tools, which require lots of meta-data
Data quality & timeliness
Relate tech’l & business models
Tracing data lineage
Inconsistent data formats
Missing or invalid data
Semantic inconsistencies
Meta-data driven data transformation tools
Spec
Tables
VC++ Code
Architecture
VB Code
ERD
Forms
select all
cust
emp
dept
dno
dna
Customer
Bill
Marketing
Update
Inventory
Authorize
Credit
Entry
Order
Delivery
Schedule
Library of schemas and transformations
Generate code for loading a data warehouse
Version schemas & transformations for lineage 4
© 1999 Microsoft Corp..

5. Data Transformation Service
Tool for building transformation scripts
Schemas and transformations are stored (versioned) in MS Repository
Step 3
Step 1
Step 2
VB Script
OLE
Object
JScript
SQL Query
Query
Exec Utility
Destination
Source 5
© 1999 Microsoft Corp..

6. Data Transformation Services
Data Lineage
Data Transformation Services
Destination Table
Col1
Col2
...
LineageID
Source Table
Repository
Package
Version
Package Executions
Date/Time
User
LineageID 6
© 1999 Microsoft Corp..

7. Open Information Model
An OO meta-model to help tools share models
Uml (Unified Modeling Language)
OO Modeling Analysis and design
(Visual Modeler)
Cde
(Component Description Model)
Specifications Sharing and re-use (COM, Visual Component Mgr)
Dbm
(Database Model)
SQL and OLAP schemas Transformations
(SQL Srv, DB2, Oracle, Plato) 7
© 1999 Microsoft Corp..

8. Open Info Model Structure
It’s highly expressive
Over 250 interfaces, 100 relationship types
It’s easy to understand
Industry-standard concepts, separable pieces
Originally, COM models for MS Repository
Now a Meta Data Coalition standard expressed in UML
New models: business processes, business rules, knowledge mgmt 8
© 1999 Microsoft Corp..

9. To find out more Web sites Email 9
© 1999 Microsoft Corp..