PostgreSQL Version Upgrades: pg_upgrade (Link Mode vs. Copy) Quiz Home › PostgreSQL DBA › PostgreSQL Version Upgrades: pg_upgrade (Link Mode vs. Copy) 🔧 Postgres Database Administration – PostgreSQL Version Upgrades: pg_upgrade (Link Mode vs. Copy) 20 questions · 15 min timer · Explanations included · Free 1. What is a key consideration when choosing between link mode and copy mode for pg_upgrade? The availability of backup solutions. The number of concurrent users. The size of the database. The operating system used. None Show Hint The size of the database is a key consideration because link mode is more efficient for large databases due to reduced disk space requirements. 2. Why is it important to check for invalid indexes before using pg_upgrade? Invalid indexes can cause the upgrade to fail. They are automatically dropped during the upgrade. They increase the time required for the upgrade. They may lead to data loss during the upgrade. None Show Hint Invalid indexes can cause pg_upgrade to fail, so they should be identified and addressed before proceeding. Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Click Submit to see your final score! Previous Start Quiz Next Time's up