What is the primary challenge associated with incremental loads in terms of data integrity and consistency?
- Detecting and synchronizing changes
- Ensuring data privacy and security
- Handling data redundancy
- Maintaining referential integrity
The primary challenge with incremental loads in ETL processes is detecting and synchronizing changes in the source data. Ensuring that only the changes are loaded while maintaining data integrity and consistency is a complex task. It often involves mechanisms to identify inserts, updates, and deletions in the source data and apply corresponding changes in the target system.
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