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What is the difference between Primary key and unique key.
SQL Server
Published on
11:21 AM
By:
Praveen Kumar Singh
In:
SQL Server
=>
Primary key does not allow the null values but unique key allows one null value.
Primary key will create clustered index on column but unique key will create non-clustered index by default.
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Praveen Kumar Singh
Self-starter Developer with excellent problem solving skills, strong interest for new technologies, quick learner and to adopt the technology.
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