Design a contacts table with appropriate string types

A medium Data Modeling interview practice problem on DataDriven. Write and execute real data modeling code with instant grading.

Domain

Data Modeling

Difficulty

medium

Problem

Design a contacts table with appropriate string types. Country codes are fixed-length (2 characters). Names and emails have natural limits. Notes can be arbitrarily long.

Practice This Problem

Solve this Data Modeling problem with real code execution. DataDriven runs your solution and grades it automatically.