OCP Core Administration And Cdb Pdb Architecture Practice Question
You need to migrate a non-CDB to a PDB in an existing CDB. Which package should you use to check for compatibility issues before starting the migration?
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
✓
DBMS_PDB.CHECK_PLUG_COMPATIBILITY
DBMS_PDB.CHECK_PLUG_COMPATIBILITY is the standard procedure for pre-migration validation.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
DBMS_PDB_MIGRATE
Why it's wrong here
This is not a valid package name.
- ✗
DBMS_METADATA.CHECK
Why it's wrong here
This is for general object metadata.
- ✗
DBMS_CDB_UPGRADE
Why it's wrong here
This package is used for CDB upgrades.
- ✓
DBMS_PDB.CHECK_PLUG_COMPATIBILITY
Why this is correct
This procedure checks if a non-CDB is compatible with the target CDB.
About these practice questions
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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 Oracle exam blueprint
This OCP practice question is part of Courseiva's free Oracle 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 OCP exam.