PCDE Migrate data solutions Practice Question
Which data type mapping is correct when converting an Oracle NUMBER(10,2) column to PostgreSQL?
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
✓
NUMERIC(10,2)
NUMBER(p,s) maps to NUMERIC(p,s) in PostgreSQL. NUMBER(10,2) becomes NUMERIC(10,2).
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
NUMERIC(10,2)
Why this is correct
NUMERIC maps directly to NUMBER with same precision and scale.
- ✗
INTEGER
Why it's wrong here
INTEGER is for whole numbers without decimal precision.
- ✗
DECIMAL(10)
Why it's wrong here
DECIMAL(10) allows no decimal places.
- ✗
REAL
Why it's wrong here
REAL is floating-point and may lose precision.
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