DBS-C01 Deployment and Migration Practice Question
A company wants to migrate its on-premises Oracle database to Amazon Aurora PostgreSQL. The company needs to convert the database schema and code from Oracle to PostgreSQL. Which AWS service should they use for schema conversion?
⚠ Common exam trap
Many candidates confuse AWS DMS with schema conversion, assuming DMS can handle both data and schema migration, but DMS only moves data and requires SCT for schema transformation.
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
✓
AWS Schema Conversion Tool (SCT)
AWS Schema Conversion Tool (SCT) is the correct choice because it is specifically designed to convert database schemas, stored procedures, functions, and other code objects from one database engine to another, such as Oracle to Amazon Aurora PostgreSQL. It analyzes the source schema and generates a target schema with equivalent PostgreSQL syntax, handling data type mappings, PL/SQL to PL/pgSQL conversion, and other compatibility issues. AWS DMS handles data migration but does not perform schema or code conversion.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
AWS DMS
Why it's wrong here
DMS migrates data, not schema conversion.
- ✗
AWS Glue
Why it's wrong here
Glue is for ETL, not schema conversion.
- ✓
AWS Schema Conversion Tool (SCT)
Why this is correct
SCT converts Oracle schemas to PostgreSQL.
- ✗
AWS Database Migration Service
Why it's wrong here
Same as B.
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