Question 342 of 1,446
Design innovative, scalable, and highly available cloud database solutions →mediumMultiple ChoiceObjective-mapped
PCDE Practice Question: Design innovative, scalable, and highly available cloud database solutions
A company uses Cloud SQL for PostgreSQL and needs to add a full-text search capability to a table with product descriptions. Which index type should be used?
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
✓
GIN index
PostgreSQL supports full-text search using indexes created with the 'gin' index type on tsvector columns. The question asks for index type. In Cloud SQL for PostgreSQL, you can use the built-in full-text search with GIN indexes.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
B-tree index
Why it's wrong here
B-tree indexes are for equality and range queries, not full-text search.
- ✗
GiST index
Why it's wrong here
GiST indexes are for geometric data, not full-text search.
- ✗
Hash index
Why it's wrong here
Hash indexes only support equality comparisons.
- ✓
GIN index
Why this is correct
GIN indexes are designed for full-text search and composite types.
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Last reviewed: Jul 4, 2026
This PCDE practice question is part of Courseiva's free Google Cloud 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 PCDE exam.
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