Data Access · interview question
A bug appears around basic sqlite queries. What is the strongest first debugging move?
Multiple choiceEasychapter-11-curatedpremiumdata-accessbasic-sqlite-queries
import sqlite3
connection = sqlite3.connect("orders.db")
rows = connection.execute("SELECT id, subtotal_cents FROM orders").fetchall()Answer and explanation
Correct answer
C. Trace one concrete example, inspect the state transitions, and compare them to the intended rule before rewriting anything.
Why
That approach is reliable because it creates evidence. Hidden query intent makes it harder to spot missing fields, wrong filters, or accidental N+1 behavior.
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