How To Implement Dense_rank() In Excel Sheet
RANK(), ROW_NUMBER() and DENSE_RANK() are three useful functions in SQL query for ranking purpose.
Piano Exam Preparation Analysis Report
My son is going to have the RCM level 7 exam soon. He was supposed to prepare his techniques well if he followed the instruction from his piano teacher. However, the result seems not as expected. Let me help him to practice efficiently through the data analytics result.