Crucial Exams

Microsoft Azure Data Fundamentals DP-900 Practice Question

You are designing a table in a relational database. You must guarantee that every row can be uniquely identified and that the identifying column cannot contain NULL values. Which relational data feature satisfies this requirement?

  • Composite foreign key

  • Unique index that allows NULLs

  • Primary key constraint

  • Default constraint

Microsoft Azure Data Fundamentals DP-900
Identify considerations for relational data on Azure
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