2021-05-05 10:13:49 -07:00
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---
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id: 5e7b9f180b6c005b0e76f08c
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2021-06-28 20:01:36 +05:30
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title: 關係數據庫設計
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2021-05-05 10:13:49 -07:00
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challengeType: 11
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videoId: AqdfbrpkbHk
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dashedName: relational-database-design
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---
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# --question--
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## --text--
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2021-06-28 20:01:36 +05:30
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對於一個字符串數據應該被保存在一個數據庫裏多少次，最佳實踐是什麼？
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2021-05-05 10:13:49 -07:00
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## --answers--
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0
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---
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1
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---
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2
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---
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3
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## --video-solution--
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2
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