[Solved] Why does this query cause an error?SELECT NTILE(0) OVER (ORDER BY score) FROM scores; — Ans: NTILE argument must be a positive integer greater than zero | PostgreSQL

PostgreSQL - Window Functions in PostgreSQL

Why does this query cause an error?
SELECT NTILE(0) OVER (ORDER BY score) FROM scores;

AORDER BY clause is missing

BNTILE argument must be a positive integer greater than zero

CNTILE cannot be used with OVER clause

Dscore column does not exist

Step-by-Step Solution

Solution:

Step 1: Check NTILE argument rules
NTILE requires a positive integer greater than zero as argument.
Step 2: Analyze given query
NTILE(0) is invalid because zero is not allowed.
Final Answer:
NTILE argument must be a positive integer greater than zero -> Option B
Quick Check:
NTILE argument > 0 [OK]

Quick Trick: NTILE argument must be > 0 to avoid errors [OK]

Common Mistakes:

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Why does this query cause an error?