Technology Quote by Anonymous
““The values in any primary key must be unique and non-null so you can use them to reference individual rows, but that’s the only rule—they don’t have to be consecutive numbers to identify rows.””
About This Quote
Primary keys must uniquely identify each row and cannot be null, but they need not be sequential.
In simple terms: Unique identifiers, no gaps needed.
Key Takeaway
Use any unique, non‑null values for IDs.
Themes
database design
data integrity
identifiers
Mood
technical
practical
Type
instructional
informative
When to use this quote
- designing tables
- assigning IDs
- migration planning
- data modeling
Key Concepts
relational theory
key constraints
Questions to Reflect On
- Do you need sequential IDs for your use case?
- How do you handle ID collisions?
A Different Perspective
Sequential IDs can cause performance issues in distributed systems.
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