[Solved] Consider the following PL/pgSQL block:DECLARE total integer := 5; BEGIN total := total + 3; RAISE NOTICE '%', total; END;What will be the output when this block runs? | PostgreSQL

PostgreSQL - PL/pgSQL Fundamentals

Consider the following PL/pgSQL block:

DECLARE
  total integer := 5;
BEGIN
  total := total + 3;
  RAISE NOTICE '%', total;
END;

What will be the output when this block runs?

A8

B5

C3

DError: variable not initialized

Step-by-Step Solution

Solution:

Step 1: Analyze initial value assignment
The variable total is declared and initialized to 5.
Step 2: Calculate the new value after addition
The statement total := total + 3; adds 3 to 5, resulting in 8.
Final Answer:
8 -> Option A
Quick Check:
5 + 3 = 8 [OK]

Quick Trick: Add assigned values step-by-step to find final result [OK]

Common Mistakes:

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