How do you correctly declare a text variable named 'username' in a PL/pgSQL block?

easy📝 Syntax Q3 of 15

PostgreSQL - Advanced PL/pgSQL

Ausername TEXT;

BDECLARE username TEXT;

CDECLARE username VARCHAR;

DVAR username TEXT;

Step-by-Step Solution

Solution:

Step 1: Syntax for variable declaration
Variables in PL/pgSQL are declared inside a DECLARE block.
Step 2: Correct declaration
Use 'DECLARE variable_name data_type;' syntax.
Final Answer:
DECLARE username TEXT; -> Option B
Quick Check:
Variable declarations require DECLARE keyword [OK]

Quick Trick: Always use DECLARE before variables [OK]

Common Mistakes:

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