100+ Free GCP Database Engineer Practice Questions

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~55-65% Pass Rate

100+ Questions

100% Free

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2026 Statistics

Key Facts: GCP Database Engineer Exam

55-65%

Est. Pass Rate

Industry estimate

Pass/Fail

Scoring

Scaled

90-120 hrs

Study Time

Recommended

120 min

Exam Duration

Google Cloud

$200

Exam Fee

Google Cloud

2 years

Cert Valid

Google Cloud

The GCP PCDE exam has approximately 50-60 questions in 120 minutes. The estimated pass rate is 55-65%. The exam covers database design, Cloud SQL/Spanner/Bigtable/AlloyDB/Firestore, migration with DMS, performance tuning, HA/DR, and security.

About the GCP Database Engineer Exam

The Google Cloud Professional Cloud Database Engineer certification validates the ability to design, manage, and troubleshoot databases on Google Cloud including Cloud SQL, Cloud Spanner, Bigtable, AlloyDB, and Firestore.

Questions

100 scored questions

Time Limit

120 minutes

Passing Score

Scaled (pass/fail)

Exam Fee

$200 (Google Cloud / Kryterion)

GCP Database Engineer Exam Content Outline

30%

Designing Scalable Databases

Database selection, schema design, HA/DR configuration, replication, and capacity planning

25%

Managing Multi-Database Solutions

Cross-database integration, connection management, and multi-database architectures

20%

Migrating Data Solutions

DMS, continuous replication, schema conversion, validation, and migration strategies

15%

Deploying Cloud Databases

Cloud SQL, AlloyDB, Spanner, Bigtable, Firestore deployment and configuration

10%

Database Security

IAM authentication, CMEK encryption, audit logging, SSL enforcement, and access control

How to Pass the GCP Database Engineer Exam

What You Need to Know

Passing score: Scaled (pass/fail)
Exam length: 100 questions
Time limit: 120 minutes
Exam fee: $200

Keys to Passing

Complete 500+ practice questions
Score 80%+ consistently before scheduling
Focus on highest-weighted sections
Use our AI tutor for tough concepts

GCP Database Engineer Study Tips from Top Performers

1Know when to use each database: Cloud SQL for relational, Spanner for global consistency, Bigtable for high-throughput, Firestore for mobile/web, AlloyDB for HTAP

2Master Cloud SQL HA, read replicas, PITR, and cross-region DR configurations

3Understand Bigtable row key design patterns and how to avoid hotspots

4Practice DMS migration workflows: initial load, continuous replication, and cutover

5Study database security: IAM authentication, CMEK, SSL enforcement, and audit logging

Frequently Asked Questions

How hard is the GCP Database Engineer exam?

It is considered challenging with a 55-65% estimated pass rate. The exam tests deep knowledge of multiple Google Cloud database services and when to use each one.

Which databases are covered on the exam?

Cloud SQL (MySQL, PostgreSQL, SQL Server), Cloud Spanner, Cloud Bigtable, Firestore, AlloyDB, Memorystore, and BigQuery. Know when to use each and their trade-offs.

How long should I study?

Most candidates study 8-12 weeks, investing 90-120 hours. Focus on hands-on experience with Cloud SQL, Spanner, and Bigtable, plus DMS migration workflows.

Is database migration heavily tested?

Yes, DMS (Database Migration Service), schema conversion, continuous replication, and migration validation are significant topics. Practice both homogeneous and heterogeneous migrations.