📅  最后修改于: 2022-03-11 15:05:07.599000             🧑  作者: Mango
CREATE TABLE purchase_orders (
po_nr NUMBER,
vendor_id NUMBER NOT NULL,
po_status NUMBER(1,0) NOT NULL,
created_at TIMESTAMP WITH TIME ZONE NOT NULL,
CONSTRAINT pk_purchase_orders PRIMARY KEY(po_nr)
);