PCPP2 Database Access Practice Question
Which TWO are common pitfalls when working with SQLite databases in a multi-threaded environment?
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
✓
Sharing a single connection object across threads
SQLite connections are not thread-safe by default, and lock contention can occur.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Sharing a single connection object across threads
Why this is correct
Standard sqlite3 connections are not thread-safe.
- ✓
Excessive database locking (database is locked)
Why this is correct
Concurrency is limited in SQLite files.
- ✗
Memory leaks in the cursor object
Why it's wrong here
Cursors are managed correctly by the GC.
- ✗
SQL injection via parameterized queries
Why it's wrong here
Parameterized queries fix, not cause, this.
- ✗
Incorrect SQL syntax
Why it's wrong here
This is not thread-specific.
About these practice questions
This PCPP2 question is part of Courseiva's 194-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam dumps. Learn why practice questions differ from exam dumps →
JA
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.