In Entity Framework, how can you specify an index to be unique?
- By manually enforcing uniqueness in application code.
- By setting the IsUnique property to true in the OnModelCreating method.
- By specifying UNIQUE constraint in the database migration script.
- By using the [Unique] attribute on the property in the model class.
In Entity Framework, you can specify an index to be unique by setting the IsUnique property to true within the OnModelCreating method of the DbContext class. This configuration ensures that the corresponding index in the underlying database is unique, preventing duplicate entries in the indexed column.
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