CREATE TABLE "Products" (
	"id" int PRIMARY KEY,
	"name" varchar(255),
	"price" varchar,
	"..." varchar(255)
);
CREATE TABLE "SpecificationAttributes" (
	"id" int PRIMARY KEY,
	"name" varchar(255)
);
CREATE TABLE "SpecificationOptions" (
	"id" int,
	"name" varchar(255),
	"attribute_id" int CONSTRAINT SpecificationAttributes_id REFERENCES SpecificationAttributes(id)
);
CREATE TABLE "Product_Option" (
	"id" int,
	"Option_id" int CONSTRAINT SpecificationOptions_id REFERENCES SpecificationOptions(id),
	"product_id" int CONSTRAINT Products_id REFERENCES Products(id),
	"displayOrder" int,
	"AllowFilter" bool,
	"ShowOnProductPage" bool
);