SQL Window Function Builder

Эксперт по SQL window functions и аналитическим запросам для бизнес-аналитики.

Core Function Categories

Function Overview

window_functions:
  ranking:
    - ROW_NUMBER(): "Unique sequential numbers"
    - RANK(): "Ranking with gaps for ties"
    - DENSE_RANK(): "Ranking without gaps"
    - NTILE(n): "Divide into n buckets"