OBIEE HIGH LEVEL DESIGN AND LOW LEVEL DESIGN
Yesterday, I
got the chance to prepare HLD document in current project. Here am contributing
my experience and knowledge.
HLD document preparation you need to cover below things
1. Scope of the project
2. Source database design
3. High level warehouse design ( Star schema /snowflake schema) structure
4. Fact tables and Dimension tables and relation between the tables
4. Oracle BI Distributed architecture
5. Authorization and Authentication Details (User and group)
6. Standard Guidelines
LLD document preparation you need to cover below things.
1. Scope of the project
2. Data source system structure which includes all columns and its details
3. Repository details (Physical layer details, tables and join between tables, BMM Layer details and Presentation Layer Details) and variables and user group details
4. Report Details
5. Users and Security details
Template you have to maintain below points.
1.Document
Control
2.Reviewers
3. Introductio
4. Intended
Audience
5. Related
Documents
6. Environment
7. Glossary –
Project Terms
8. Applicable
Requirements
9. BI Apps
Architecture
10. Analytics
(OBIEE) Repository Star schemas
11.Assumptions
12.Dependencies
13.Issues
14.Risks
15.Open items
16.Closed item
Thanks,
Satya Ranki Reddy