---
id: 5e7b9f180b6c005b0e76f08c
title: Relational Database Design
challengeType: 11
videoId: AqdfbrpkbHk
bilibiliIds:
  aid: 504388066
  bvid: BV1Qg411j742
  cid: 377532216
dashedName: relational-database-design
---

# --questions--

## --text--

What is the best practice for how many times a piece of string data should be stored in a database?

## --answers--

0

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1

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2

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3

## --video-solution--

2

