PCPP2 Database Access Practice Question
Which THREE methods are part of the PEP 249 Python DB-API 2.0 interface?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
commit
execute, fetchone, and commit are standard parts of the DB-API specification.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
get_json
Why it's wrong here
This is not part of the DB-API.
- ✓
commit
Why this is correct
Standard method on connection.
- ✓
execute
Why this is correct
Standard method on cursor.
- ✗
filter_by
Why it's wrong here
This is SQLAlchemy-specific.
- ✓
fetchone
Why this is correct
Standard method on cursor.
About these practice questions
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Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official Python Institute exam blueprint
This PCPP2 practice question is part of Courseiva's free Python Institute certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the PCPP2 exam.