{CodeRoyale}
All challenges
Multiple ChoiceIntermediate 30s

UUID vs auto-increment

Choose the best answer for: primary key types
Options
  1. 1UUID: globally unique; auto-increment: sequential, simpler
  2. 2Auto-increment is deprecated and UUIDs are always the better choice
  3. 3UUIDs are always worse because they cannot be indexed by the database
  4. 4They are the same thing and differ only in the string formatting used
fullstackintermediate

Think you can answer under pressure?

Get matched and answer live questions in 3-minute 1v1 battles. Elo ranking, badge tiers and bragging rights on the line.

Play this in a 3-minute battle