-- Create "PostalRegion" table CREATE TABLE "public"."PostalRegion" ( "Id" bigserial NOT NULL, "Village_Code" character varying(10) NULL, "Code" character varying(5) NULL, PRIMARY KEY ("Id"), CONSTRAINT "uni_PostalRegion_Code" UNIQUE ("Code"), CONSTRAINT "fk_PostalRegion_Village" FOREIGN KEY ("Village_Code") REFERENCES "public"."Village" ("Code") ON UPDATE NO ACTION ON DELETE NO ACTION ); -- Rename a column from "PostalCode_Code" to "PostalRegion_Code" ALTER TABLE "public"."PersonAddress" RENAME COLUMN "PostalCode_Code" TO "PostalRegion_Code"; -- Modify "PersonAddress" table ALTER TABLE "public"."PersonAddress" DROP CONSTRAINT "fk_PersonAddress_PostalCode", ADD COLUMN "LocationType_Code" character varying(10) NULL, ADD CONSTRAINT "fk_PersonAddress_PostalRegion" FOREIGN KEY ("PostalRegion_Code") REFERENCES "public"."PostalRegion" ("Code") ON UPDATE NO ACTION ON DELETE NO ACTION; -- Drop "PostalCode" table DROP TABLE "public"."PostalCode";