What does declaring a cursor in PostgreSQL allow you to do?

easy📝 Conceptual Q1 of 15

PostgreSQL - Advanced PL/pgSQL

AUpdate multiple tables at once

BCreate a new table

CRetrieve query results row by row

DDelete all rows from a table

Step-by-Step Solution

Solution:

Step 1: Understand cursor purpose
A cursor lets you handle query results one row at a time instead of all at once.
Step 2: Compare options
Only retrieving rows one by one matches cursor behavior; others are unrelated to cursors.
Final Answer:
Retrieve query results row by row -> Option C
Quick Check:
Cursor purpose = Retrieve rows one by one [OK]

Quick Trick: Cursors fetch rows stepwise, not all at once [OK]

Common Mistakes:

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