我正在尝试在 Oracle 11g Express 版本中运行 SQL 语句,我将在其中创建表。这是我的 SQL 代码:
CREATE TABLE STORE
(
StoreID INT PRIMARY KEY,
StoreName VARCHAR2(30) NOT NULL,
City VARCHAR2(30) NOT NULL,
Country VARCHAR2(30) NOT NULL CHECK Country in ('China','Egypt','United States','Spain','New Zealand','Mexico','Africa'),
Phone VARCHAR2(30) NOT NULL,
Fax VARCHAR2(30),
Email VARCHAR2(50) UNIQUE,
Contact VARCHAR2(30) NOT NULL,
UNIQUE (StoreName, City)
);
CREATE TABLE PURCHASE_ITEM
(
PurchaseItemID INT PRIMARY KEY,
StoreID INT NOT NULL REFERENCES STORE(StoreID) ON DELETE CASCADE ON UPDATE CASCADE,
"Date" DATE NOT NULL,
Description VARCHAR2(30) NOT NULL,
Category VARCHAR2(30),
PriceUsed NUMBER(15, 2)
);
CREATE SEQUENCE pur_seq
START WITH 500
INCREMENT BY 5;
CREATE OR REPLACE TRIGGER Purchase
BEFORE INSERT ON PURCHASE_ITEM
FOR EACH ROW
BEGIN
SELECT pur_seq.NEXTVAL
INTO :new.PurchaseItemID
FROM dual;
END;
CREATE TABLE SHIPPER
(
ShipperID INT PRIMARY KEY,
ShipperName VARCHAR2(30) NOT NULL,
Phone VARCHAR2(30) NOT NULL,
Fax VARCHAR2(30),
Email VARCHAR2(50) UNIQUE,
Contact VARCHAR2(30) NOT NULL
);
CREATE TABLE SHIPMENT
(
ShipmentID INT PRIMARY KEY Auto Increment,
ShipperID INT NOT NULL REFERENCES SHIPPER(ShipperID) ON DELETE CASCADE ON UPDATE CASCADE,
ShipperInvoiceNumber INT NOT NULL UNIQUE,
Origin VARCHAR2(30) NOT NULL,
Destination VARCHAR2(30) NOT NULL,
DepartureDate DATE,
ArrivalDate DATE
);
ALTER TABLE SHIPMENT AUTO_INCREMENT = 100;
CREATE TABLE SHIPMENT_ITEM
(
ShipmentID INT NOT NULL REFERENCES SHIPMENT(ShipmentID) ON DELETE CASCADE ON UPDATE CASCADE,
ShipmentItemID INT NOT NULL,
PurchaseItemID INT NOT NULL REFERENCES PURCHASE_ITEM(PurchaseItemID) ON DELETE CASCADE ON UPDATE CASCADE,
InsuredValue NUMBER(15, 2) NOT NULL defaut 100,
PRIMARY KEY (ShipmentID, ShipmentItemID)
);
它最终只处理 4 条语句,并且我不断收到以下错误消息:
CREATE TABLE STORE ( StoreID INT PRIMARY K - ORA-00906: missing left parenthesis
CREATE TABLE PURCHASE_ITEM ( PurchaseItemID INT - ORA-00907: missing right parenthesis
CREATE SEQUENCE pur_seq START WITH 500 INCREMENT BY 5 - ORA-00955: name is already used by an existing object
CREATE OR REPLACE TRIGGER Purchase BEFORE INSERT ON PURCHASE - ORA-00942: table or view does not exist
我对 Oracle 11g 完全不熟悉。我不确定我是否在其中使用了正确的应用程序来完成我的作业。我只按照以下说明进行:
“对于这个任务,你要编写脚本来创建表和插入记录。在 oracle 11g 中,我不希望你使用工具来生成表,你需要编写脚本来创建表和记录,并且需要包括您提交的脚本。”
请问,我做错了什么?