DROP TABLE IF EXISTS tax_rate; -- DROP SEQUENCE IF EXISTS tax_rate_tax_rate_id_seq; -- CREATE SEQUENCE tax_rate_tax_rate_id_seq; CREATE TABLE tax_rate ( "tax_rate_id" int PRIMARY KEY GENERATED BY DEFAULT AS IDENTITY, -- SERIAL PRIMARY KEY "region_group_id" int check ("region_group_id" > 0) NOT NULL DEFAULT 0, "name" varchar(32) NOT NULL, "rate" decimal(15,4) NOT NULL DEFAULT 0.0000, "type" char(1) NOT NULL, "created_at" timestamp(0) NOT NULL DEFAULT now(), "updated_at" timestamp(0) NOT NULL DEFAULT now() -- PRIMARY KEY("tax_rate_id") ); SELECT setval('tax_rate_tax_rate_id_seq', 3, true); -- last inserted id by sample data