Question 357 of 1,446
PCDE Migrate data solutions Practice Question
During an Oracle to PostgreSQL migration using Ora2Pg, a NUMBER(10,2) column is being mapped. Which PostgreSQL data type should be used to preserve precision and scale?
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(10,2) maps directly to NUMERIC(10,2) in PostgreSQL, which preserves the exact precision and scale. INTEGER does not support scale, TEXT is for strings, and FLOAT may introduce rounding errors.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
TEXT
Why it's wrong here
TEXT is for character data, not numeric.
- ✗
INTEGER
Why it's wrong here
INTEGER cannot hold decimal places.
- ✗
FLOAT
Why it's wrong here
FLOAT is approximate; it may not preserve exact precision.
- ✓
NUMERIC(10,2)
Why this is correct
NUMERIC(10,2) exactly matches the Oracle NUMBER(10,2) precision and scale.
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Last reviewed: Jul 4, 2026
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