PCDE Migrate data solutions Practice Question
A company needs to migrate a 5 TB Oracle database to Cloud SQL for PostgreSQL. They need to convert schemas and data, and also set up ongoing replication with minimal downtime. Which TWO services/tools should they use? (Choose TWO.)
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
✓
Database Migration Service
Ora2Pg converts schemas; DMS can handle data migration with continuous replication from Oracle (using logical replication) to Cloud SQL.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Database Migration Service
Why this is correct
DMS supports Oracle to Cloud SQL for PostgreSQL migration with continuous CDC.
- ✗
Cloud SQL for MySQL
Why it's wrong here
Target is PostgreSQL, not MySQL.
- ✗
BigQuery Data Transfer Service
Why it's wrong here
Not for Oracle to PostgreSQL migration.
- ✗
gcloud bigquery load
Why it's wrong here
Not relevant.
- ✓
Ora2Pg
Why this is correct
Converts Oracle schemas (DDL, procedures) to PostgreSQL.
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