# Design an accounts table for a banking application

Canonical URL: <https://datadriven.io/problems/design-an-accounts-table-for-a-banking-application-financia-6046c940>

Domain: Data Modeling · Difficulty: medium

## Problem

Design an accounts table for a banking application. Financial data requires exact precision. Choose the right numeric type for monetary values to avoid rounding errors that accumulate over millions of transactions.

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