CompTIA
DS0-001 · Question #40
A developer is designing a table that does not have repeated values. Which of the following indexes should the developer use to prevent duplicate values from being inserted?
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Database Fundamentals
Question
A developer is designing a table that does not have repeated values. Which of the following indexes should the developer use to prevent duplicate values from being inserted?
Options
- AUnique
- BSingle column
- CImplicit
- DComposite
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Topics
#Indexes#Unique Index#Data Integrity#Constraints