Mahir Window Function

Kenapa window function game-changer buat analyst, preview course, kenalan dataset SaaSKu

Fondasi window function: beda dengan GROUP BY, PARTITION BY, ORDER BY di window

ROW_NUMBER, RANK, DENSE_RANK, NTILE, dan pattern Top-N per Group

Running total, moving average, MIN/MAX window, dan frame clause

LAG, LEAD, FIRST_VALUE, LAST_VALUE, NTH_VALUE, dan advanced frame clause

Skenario end-to-end: revenue analysis, churn detection, engagement metrics, laporan manajemen

Recap dan langkah selanjutnya