Tag
Data Quality
2 post(s) tagged with Data Quality.
ETL, ELT, and the Work Required to Make Data Trustworthy
How ETL and ELT differ, what dependable data transformation involves, and how validation, restartability, and reconciliation turn a completed load into credible evidence.
Assessing Sales Data Quality with SQL
A practical assessment of AdventureWorks2025 sales data quality, covering missing values, duplicates, validity, reconciliation, referential integrity, and analytical limitations.