In data extraction, what is meant by the term "incremental extraction"?
- Extracting all data every time
- Extracting data only from one source
- Extracting data without any transformation
- Extracting only new or updated data since the last extraction
Incremental extraction involves extracting only the new or updated data since the last extraction, reducing processing time and resource usage compared to extracting all data every time.
Loading...
Related Quiz
- What is a primary feature that distinguishes NoSQL databases from traditional relational databases?
- The process of converting categorical data into numerical values during data transformation is called ________.
- In a data warehouse, what is a dimension table?
- ________ databases are specifically designed to handle semi-structured data efficiently.
- When implementing retry mechanisms, it's essential to consider factors such as ________ and ________.