# Design a complete users table combining all data type knowledge

Canonical URL: <https://datadriven.io/problems/design-a-complete-users-table-combining-all-data-type-knowle-3fe738c9>

Domain: Data Modeling · Difficulty: medium

## Problem

Design a complete users table combining all data type knowledge. Choose the most appropriate type for each attribute: BIGINT for IDs, VARCHAR for bounded text, TIMESTAMP for moments, BOOLEAN for flags, and JSON for flexible data.

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