What is the role of Change Data Capture (CDC) in data extraction?
- Encrypting extracted data
- Generating reports based on extracted data
- Identifying changes in source data
- Optimizing data extraction
Change Data Capture (CDC) is responsible for identifying changes in source data since the last extraction, allowing for the extraction of only the modified data. This reduces processing time and resources.
Loading...
Related Quiz
- How does data profiling contribute to the data cleansing process?
- What is the purpose of outlier detection in data cleansing?
- What is the difference between data profiling and data monitoring in the context of data quality assessment?
- A ________ is a systematic examination of an organization's data security practices to identify vulnerabilities and ensure compliance with regulations.
- Scenario: Your organization is experiencing performance issues with its ETL pipeline, resulting in delayed data processing. As an ETL specialist, what steps would you take to diagnose and address these performance issues?