[Solved] Which of the following is the correct syntax to declare a CTE as non-materialized in PostgreSQL? — Ans: WITH cte AS NOT MATERIALIZED (SELECT * FROM table) | PostgreSQL

PostgreSQL - Common Table Expressions

Which of the following is the correct syntax to declare a CTE as non-materialized in PostgreSQL?

AWITH cte AS NOT MATERIALIZED (SELECT * FROM table)

BWITH cte AS INLINE (SELECT * FROM table)

CWITH cte AS MATERIALIZED (SELECT * FROM table)

DWITH cte AS NOT MATERIALIZED SELECT * FROM table

Step-by-Step Solution

Solution:

Step 1: Identify correct syntax for non-materialized CTE
PostgreSQL uses NOT MATERIALIZED inside parentheses after AS.
Step 2: Check syntax correctness
WITH cte AS NOT MATERIALIZED (SELECT * FROM table) correctly uses 'AS NOT MATERIALIZED (SELECT ...)', others are invalid or missing parentheses.
Final Answer:
WITH cte AS NOT MATERIALIZED (SELECT * FROM table) -> Option A
Quick Check:
Non-materialized CTE syntax = NOT MATERIALIZED [OK]

Quick Trick: Use NOT MATERIALIZED inside parentheses after AS [OK]

Common Mistakes:

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Which of the following is the correct syntax to declare a CTE as non-materialized in PostgreSQL?