Can I read SQL Data Validation and Quality Checks on EtoBox?
SQL Data Validation and Quality Checks by postbox181 is a document available to read on EtoBox.
What is SQL Data Validation and Quality Checks about?
The document outlines SQL queries for data validation, transformation, quality checks, joins, and aggregations. It includes scenarios such as identifying invalid order statuses, calculating total order amounts by country, and finding duplicate customer IDs. Additionally, it provides interview tips for articulating thought processes, writing clean code, testing queries, and demonstrating SQL knowledge.
- Author
- postbox181
- Language
- EN