Sollicitatievraag bij David Yurman
1. SQL Querying (Real-World Retail Context) Common Topics: Joins (inner, left) Window functions (RANK, ROW_NUMBER, SUM OVER) Aggregations & GROUP BY CTEs and subqueries Date functions (e.g., MONTH(), DATEDIFF)
1. SQL Querying (Real-World Retail Context) Common Topics: Joins (inner, left) Window functions (RANK, ROW_NUMBER, SUM OVER) Aggregations & GROUP BY CTEs and subqueries Date functions (e.g., MONTH(), DATEDIFF)