CREATE TABLE IF NOT EXISTS chemicals ( chemical_id CHAR(36) PRIMARY KEY, name TEXT UNIQUE ); CREATE TABLE IF NOT EXISTS recipes ( recipe_id CHAR(36) PRIMARY KEY, name TEXT UNIQUE ); CREATE TABLE IF NOT EXISTS components ( component_id CHAR(36) PRIMARY KEY, recipe_id CHAR(36), chemical_id CHAR(36), grams REAL, milliliters REAL, makes REAL, note TEXT, CONSTRAINT fk_recipes FOREIGN KEY (recipe_id) REFERENCES recipes(recipe_id), CONSTRAINT fk_chemicals FOREIGN KEY (chemical_id) REFERENCES chemicals(chemical_id) ); CREATE TABLE IF NOT EXISTS supply ( supply_id CHAR(36) PRIMARY KEY, chemical_id CHAR(36), url TEXT UNIQUE, grams REAL, milliliters REAL, price INTEGER, CONSTRAINT fk_chemicals FOREIGN KEY (chemical_id) REFERENCES chemicals(chemical_id) );