-- Table: feature_file_link
CREATE TABLE [feature_file_link] (
    [feature_id] int NOT NULL,
    [file_id] int NOT NULL,
    CONSTRAINT [PK_feature_file_link] PRIMARY KEY ([feature_id], [file_id], [feature_id], [file_id])
);
GO

ALTER TABLE [feature_file_link] ADD FOREIGN KEY ([file_id]) REFERENCES [file_table] ([file_id]);
GO