Example of how to use SQL Server FileTables with Entity Framework 6 Code First Migrations.

201701010000000_FileTableAdded.cs

namespace Project.Migrations
{
    using System;
    using System.Data.Entity.Migrations;
    
    public partial class FileTableAdded : DbMigration
    {
        public override void Up()
        {
            Sql(@"
CREATE TABLE [dbo].[ProfileImages]
AS FILETABLE
WITH (FILETABLE_DIRECTORY = N'ProfileImages', FILETABLE_COLLATE_FILENAME = Latin1_General_CI_AS)
            ");
        }
        
        public override void Down()
        {
            DropTable("dbo.ProfileImages");
        }
    }
}

ProfileImage.cs

using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;

namespace Project.Models
{
    [Table("ProfileImages")]
    public class ProfileImage
    {
        [Key]
        [Column("stream_id")]
        [DatabaseGenerated(DatabaseGeneratedOption.Computed)]
        public Guid StreamId { get; set; }

        [Column("file_stream")]
        public byte[] FileStream { get; set; }

        [Column("name")]
        [StringLength(255)]
        public string Name { get; set; }

        //[Column("path_locator")]
        //[DatabaseGenerated(DatabaseGeneratedOption.Computed)]
        //public byte[] PathLocator { get; set; }

        //[Column("parent_path_locator")]
        //[DatabaseGenerated(DatabaseGeneratedOption.Computed)]
        //public byte[] ParentPathLocator { get; set; }

        [Column("file_type")]
        [StringLength(255)]
        [DatabaseGenerated(DatabaseGeneratedOption.Computed)]
        public string FileType { get; set; }

        [Column("cached_file_size")]
        [DatabaseGenerated(DatabaseGeneratedOption.Computed)]
        public long? CachedFileSize { get; set; }

        [Column("creation_time")]
        public DateTimeOffset CreationTime { get; set; }

        [Column("last_write_time")]
        public DateTimeOffset LastWriteTime { get; set; }

        [Column("last_access_time")]
        public DateTimeOffset? LastAccessTime { get; set; }

        [Column("is_directory")]
        public bool IsDirectory { get; set; }

        [Column("is_offline")]
        public bool IsOffline { get; set; }

        [Column("is_hidden")]
        public bool IsHidden { get; set; }

        [Column("is_readonly")]
        public bool IsReadOnly { get; set; }

        [Column("is_archive")]
        public bool IsArchive { get; set; }

        [Column("is_system")]
        public bool IsSystem { get; set; }

        [Column("is_temporary")]
        public bool IsTemporary { get; set; }
    }
}