Forum Discussion
Challenges moving Oracle Fusion data into a data warehouse for reporting?
- 7 months ago
Beyond the issues already mentioned in your post (reporting gaps, slow queries, API limits, schema changes, etc.), here are additional real-world challenges teams face when extracting Oracle Fusion data into a data warehouse:
- Limited Joinability Across Subject Areas - OTBI and BIP subject areas are siloed
- Inconsistent Business Definitions - Same KPI or field name may mean different things in different subject areas
- Frequent Logic Changes in Upstream Systems- Fusion configurations or setups may change
- Access & Security Model Limitations - OTBI/BIP reports reflect user security roles — which can limit access to full datasets during extraction
- Lack of True CDC (Change Data Capture)
- Version Skew Between Environments
What can be done different
- Build schema drift detection into the pipeline early on
- REST APIs or BI Cloud Connector (BICC) wherever possible, and only use OTBI for ad hoc needs or pre-built summaries.
- Design robust watermarking strategies (composite keys, last run logic)
If this post helps, then please appreciate giving a Kudos or accepting as a Solution to help the other members find it more quickly.
If I misunderstand your needs or you still have problems on it, please feel free to let us know. Thanks a lot!
Hello BI_is_Fun
The typical mechanisms of extracing data out of Oracle Fusion (ERP/HCM/SCM) are the following -
- Incremental loads & late-arriving data
- Schema drift (quarterly updates)
This is one of the most common challenges in the Oracle + Microsoft stack. A few things that have helped teams like yours:
If you don't actually need a warehouse: Many teams assume they need to replicate Oracle Fusion data into a warehouse before Power BI can use it. That's not always true. Platforms like BI Connector (a Power BI certified connector for Oracle Fusion) let Power BI query Oracle Fusion's OTBI analysis, BIP data models, and custom queries directly. This eliminates the ETL pipeline entirely for reporting use cases.
If you do need a warehouse: BI Connector also supports exporting Oracle Fusion data into data warehouses and lakehouses (Snowflake, Databricks, Fabric, Azure Data Factory etc.). The advantage over raw BICC extraction is that it handles the schema mapping and incremental loads automatically.
Common pitfalls to avoid: Oracle Fusion's BICC can be brittle with schema changes during quarterly updates. REST API extraction works but requires handling pagination, token refresh, and rate limits. If you're building this from scratch, budget 2-3x the time you think it'll take.
The general pattern we see: start with a direct Power BI integration for immediate reporting needs, then build out the warehouse pipeline for blended analytics over time.