In PostgreSQL, what happens if none of the IF or ELSIF conditions are true and there is an ELSE block?

easy📝 Conceptual Q2 of 15

PostgreSQL - PL/pgSQL Fundamentals

In PostgreSQL, what happens if none of the IF or ELSIF conditions are true and there is an ELSE block?

AThe <code>ELSE</code> block code runs.

BThe function returns NULL automatically.

CAn error is thrown.

DThe program skips all code blocks.

Step-by-Step Solution

Solution:

Step 1: Understand the ELSE block role
The ELSE block runs only if all previous IF and ELSIF conditions are false.
Step 2: Analyze options
The ELSE block code runs. correctly states that the ELSE block executes in this case. Other options describe incorrect behaviors.
Final Answer:
The ELSE block code runs. -> Option A
Quick Check:
ELSE runs if all conditions false [OK]

Quick Trick: ELSE runs when no IF or ELSIF matches [OK]

Common Mistakes:

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