If you wish to apply a unique constraint on a column using the Fluent API in Entity Framework Core, which method should you use inside OnModelCreating?

  • HasIndex
  • HasUniqueConstraint
  • IsUnique
  • SetUnique
To apply a unique constraint on a column in Entity Framework Core using the Fluent API, you should use the IsUnique method. This method ensures that the database enforces uniqueness for the specified column or columns, preventing duplicate values from being inserted. It's a crucial feature for maintaining data integrity.
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