SQL skills assessment – JOINs & Aggregations

This is a sample skills assessment for testing SQL knowledge of JOINs and aggregate functions. How To Use This Assessment This assessment can be used by recruiters as a way to filter candidates and improve the quality of candidates being sent to the hiring manager. This assessment can also be used by technical hiring managers […]

SQL skills assessment – CTEs (Common Table Expressions)

This is a sample skills assessment for assessing the candidate’s ability to write advanced SQL queries involving multiple levels of data aggregation and the use of Common Table Expressions (CTEs). How To Use This Assessment This assessment can be used by recruiters as a way to filter candidates and improve the quality of candidates being […]