productTable

CREATE TABLE IF NOT EXISTS productTable
(
    product_id                  SERIAL PRIMARY KEY,
    product_name                TEXT NOT NULL,
    asset_id                    SERIAL REFERENCES assetTable (id),
    time_per_unit_in_seconds    REAL NOT NULL,
    UNIQUE(product_name, asset_id),
    CHECK (time_per_unit_in_seconds > 0)
);