Given the table feedback with columns id and comment, what will this query return?

medium📝 query result Q13 of 15

LangChain - LangSmith Observability

Given the table feedback with columns id and comment, what will this query return?

SELECT comment FROM feedback WHERE id = 2;

AOnly the comment text where id equals 2

BAn error because id is not selected

CAll ids and comments

DAll comments with id 2

Step-by-Step Solution

Solution:

Step 1: Understand the SELECT statement
The query asks for the comment column only, filtering rows where id equals 2.
Step 2: Determine what is returned
Only the comment text for the row with id 2 is returned, not all comments or ids.
Final Answer:
Only the comment text where id equals 2 -> Option A
Quick Check:
SELECT comment WHERE id=2 = Only the comment text where id equals 2 [OK]

Quick Trick: SELECT column filters output columns, WHERE filters rows [OK]

Common Mistakes:

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