Oracle to Postgres Migration: Schema Mapping & Data Types Quiz

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🔁 Postgres Database Administration – Oracle to Postgres Migration: Schema Mapping & Data Types

20 questions · 15 min timer · Explanations included · Free

How can you ensure that a migrated PostgreSQL database maintains the same constraints as the original Oracle database?

Use a combination of primary key, foreign key, and CHECK constraints

Rely on application-level validation

Use CHECK constraints

Use foreign key constraints only

None

To maintain data integrity, it's important to use a combination of primary key, foreign key, and CHECK constraints, similar to those in the original Oracle database.

What is a critical consideration when migrating Oracle's TIMESTAMP WITH TIME ZONE to PostgreSQL?

Ignoring time zone differences

Using TIME data type

Using TIMESTAMP without time zone

Using TIMESTAMPTZ

None

TIMESTAMPTZ in PostgreSQL is designed to handle timestamps with time zone information, making it suitable for migrating Oracle's TIMESTAMP WITH TIME ZONE.

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