Manual ID Assignment
Manual ID Assignment is a database design and application development concept where unique identifiers for records are explicitly set by developers or users rather than being automatically generated by the system. It involves directly specifying values like integers, strings, or UUIDs for primary keys or other unique fields during data creation or updates. This approach contrasts with auto-increment or system-generated IDs, giving developers full control over identifier values.
Developers should use Manual ID Assignment when they need predictable, human-readable, or externally sourced identifiers, such as in systems integrating with legacy databases, using natural keys like email addresses, or requiring specific ID formats for business rules. It's also useful in distributed systems where avoiding ID collisions across nodes is critical, often implemented with UUIDs or custom algorithms to ensure uniqueness without central coordination.