Answers for "EntityTypeBuilder add unique when alter table"

ef code first unique constraint

//single index
[Index("IX_First", IsUnique = true)]
public int FirstColumn { get; set; }

// composite index
[Index("IX_FirstAndSecond", 1, IsUnique = true)]
public int FirstColumn { get; set; }

[Index("IX_FirstAndSecond", 2, IsUnique = true)]
public int SecondColumn { get; set; }

Posted by: Guest on April-02-2020

how to set unique constraint from EF core

protected override void OnModelCreating(ModelBuilder builder)
{
    builder.Entity<User>()
        .HasIndex(u => u.Email)
        .IsUnique();
}

Posted by: Guest on February-27-2020

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Answers for "EntityTypeBuilder add unique when alter table"

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Answers for "EntityTypeBuilder add unique when alter table"

Code answers related to "EntityTypeBuilder add unique when alter table"

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