public override void Up()
{
CreateTable(
"Participants",
c => new
{
Id = c.Int(nullable: false, identity: true),
Required = c.Boolean(nullable: false),
ReviewId = c.Int(nullable: false),
UserId = c.Int(nullable: false),
})
.PrimaryKey(t => t.Id)
.ForeignKey("Reviews", t => t.ReviewId, cascadeDelete: true)
.ForeignKey("Users", t => t.UserId, cascadeDelete: false)
.Index(t => t.ReviewId)
.Index(t => t.UserId);
}