[Solved] Which of the following is the correct syntax to assign quartiles using NTILE? — Ans: SELECT column, NTILE(4) OVER (ORDER BY column) AS quartile FROM table; | SQL

SQL - Window Functions Fundamentals

Which of the following is the correct syntax to assign quartiles using NTILE?

ASELECT column, NTILE(4) PARTITION BY column FROM table;

BSELECT column, NTILE(4) FROM table ORDER BY column;

CSELECT column, NTILE(4) OVER (ORDER BY column) AS quartile FROM table;

DSELECT column, NTILE OVER (4 ORDER BY column) AS quartile FROM table;

Step-by-Step Solution

Solution:

Step 1: Recall NTILE syntax
NTILE requires a number and an OVER clause with ORDER BY to define row order.
Step 2: Check each option
SELECT column, NTILE(4) OVER (ORDER BY column) AS quartile FROM table; correctly uses NTILE(4) OVER (ORDER BY column). Others have syntax errors or missing OVER clause.
Final Answer:
SELECT column, NTILE(4) OVER (ORDER BY column) AS quartile FROM table; -> Option C
Quick Check:
NTILE syntax = NTILE(n) OVER (ORDER BY col) [OK]

Quick Trick: NTILE needs OVER with ORDER BY to work [OK]

Common Mistakes:

Master "Window Functions Fundamentals" in SQL

9 interactive learning modes - each teaches the same concept differently

More SQL Quizzes

Which of the following is the correct syntax to assign quartiles using NTILE?