Data Pipelines and ETL Best Practices
Data Pipelines and ETL Best Practices Data pipelines move data from sources to a destination, typically a data warehouse or data lake. In ETL work, Extract, Transform, Load happens in stages. The choice between ETL and ELT depends on data volume, latency needs, and the tools you use. A clear, well-documented pipeline reduces errors and speeds up insights. Start with contracts: define data definitions, field meanings, and quality checks. Keep metadata versioned and discoverable. Favor incremental loads so you update only new or changed data, not a full refresh every run. This reduces load time and keeps history intact. ...