CREATE DATABASE retail_store;CREATE TABLE CUSTOMER ( CustomerID NUMBER PRIMARY KEY, Name VARCHAR2(100), Address VARCHAR2(200), PhoneNumber VARCHAR2(20), Email VARCHAR2(100), LoyaltyStatus VARCHAR2(20));CREATE TABLE ORDERS ( OrderID NUMBER PRIMARY KEY, OrderDate DATE, OrderStatus VARCHAR2(20), TotalCost NUMBER, CustomerID NUMBER, CONSTRAINT FK_ORDER_CUSTOMER FOREIGN KEY (CustomerID) REFERENCES CUSTOMER(CustomerID));代码有错吗
时间: 2023-12-31 18:03:45 浏览: 36
以上 SQL 代码没有语法错误。它创建了一个名为 `retail_store` 的数据库,其中包含两个表:`CUSTOMER` 和 `ORDERS`。`CUSTOMER` 表包含 `CustomerID`、`Name`、`Address`、`PhoneNumber`、`Email` 和 `LoyaltyStatus` 这几个列,其中 `CustomerID` 是主键。`ORDERS` 表包含 `OrderID`、`OrderDate`、`OrderStatus`、`TotalCost` 和 `CustomerID` 这几个列,其中 `OrderID` 是主键,`CustomerID` 列是外键,引用了 `CUSTOMER` 表的 `CustomerID` 主键列。
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CREATE TABLE CUSTOMER ( CustomerID NUMBER PRIMARY KEY, Name VARCHAR2(20), Address VARCHAR2(20), PhoneNumber VARCHAR2(20), Email VARCHAR2(30), LoyaltyStatus VARCHAR2(20) ); CREATE TABLE ORDERS ( OrderID NUMBER PRIMARY KEY, OrderDate DATE, OrderStatus VARCHAR2(20), TotalCost NUMBER, CustomerID NUMBER, CONSTRAINT FK_ORDER_CUSTOMER FOREIGN KEY (CustomerID) REFERENCES CUSTOMER(CustomerID) ); CREATE TABLE PRODUCT ( ProductID NUMBER PRIMARY KEY, ProductName VARCHAR2(20), Description VARCHAR2(20), Price NUMBER, Category VARCHAR2(20) ); CREATE TABLE ORDERS_DETAILS ( OrderDetailID NUMBER PRIMARY KEY, OrderID NUMBER, ProductID NUMBER, ProductName VARCHAR2(20), Price NUMBER, Quantity NUMBER, Subtotal NUMBER, CONSTRAINT FK_ORDER_DETAILS_ORDER FOREIGN KEY (OrderID) REFERENCES ORDERS(OrderID), CONSTRAINT FK_ORDER_DETAILS_PRODUCT FOREIGN KEY (ProductID) REFERENCES PRODUCT(ProductID) ); CREATE TABLE STORE ( StoreID NUMBER PRIMARY KEY, StoreName VARCHAR2(20), Location VARCHAR2(20), HoursOfOperation VARCHAR2(20) ); CREATE TABLE INVENTORY ( ProductID NUMBER, StoreID NUMBER, QuantityOnHand NUMBER, ReorderPoint NUMBER, PRIMARY KEY (ProductID, StoreID), CONSTRAINT FK_INVENTORY_PRODUCT FOREIGN KEY (ProductID) REFERENCES PRODUCT(ProductID), CONSTRAINT FK_INVENTORY_STORE FOREIGN KEY (StoreID) REFERENCES STORE(StoreID) ); CREATE TABLE "TRANSACTION" ( TransactionID NUMBER PRIMARY KEY, TransactionDate DATE, TransactionType VARCHAR2(20), TotalAmount NUMBER, CustomerID NUMBER, CONSTRAINT FK_TRANSACTION_CUSTOMER FOREIGN KEY (CustomerID) REFERENCES CUSTOMER(CustomerID) ); CREATE TABLE TRANSACTION_DETAILS ( TransactionDetailID NUMBER PRIMARY KEY, TransactionID NUMBER, ProductID NUMBER, ProductName VARCHAR2(20), Price NUMBER, Quantity NUMBER, Subtotal NUMBER, CONSTRAINT FK_TRANSACTION_DETAILS_TRANSACTION FOREIGN KEY (TransactionID) REFERENCES "TRANSACTION"(TransactionID), CONSTRAINT FK_TRANSACTION_DETAILS_PRODUCT FOREIGN KEY (ProductID) REFERENCES PRODUCT(ProductID) ); CREATE TABLE EMPLOYEE ( EmployeeID NUMBER PRIMARY KEY, Name VARCHAR2(20), Address VARCHAR2(20), PhoneNumber VARCHAR2(20), Email VARCHAR2(30), Position VARCHAR2(20) ); CREATE TABLE SALARY ( EmployeeID NUMBER, StartDate DATE, SalaryAmount NUMBER, EndDate DATE, PRIMARY KEY (EmployeeID, StartDate), CONSTRAINT FK_SALARY_EMPLOYEE FOREIGN KEY (EmployeeID) REFERENCES EMPLOYEE(EmployeeID) ); CREATE TABLE SHIFT ( ShiftID NUMBER PRIMARY KEY, StartTime TIMESTAMP, EndTime TIMESTAMP, StoreID NUMBER, EmployeeID NUMBER, CONSTRAINT FK_SHIFT_EMPLOYEE FOREIGN KEY (EmployeeID) REFERENCES EMPLOYEE(EmployeeID), CONSTRAINT FK_SHIFT_STORE FOREIGN KEY (StoreID) REFERENCES STORE(StoreID) ); 用BLOB的数据加密Price和PhoneNumber给出代码
可以使用DBMS_CRYPTO包中的加密函数来对表中的Price和PhoneNumber进行加密,加密后的数据可以存储在BLOB类型的列中。
以下是对Price和PhoneNumber进行加密的示例代码:
```
-- 创建表时添加BLOB类型的加密列
CREATE TABLE CUSTOMER (
CustomerID NUMBER PRIMARY KEY,
Name VARCHAR2(20),
Address VARCHAR2(20),
EncryptedPhoneNumber BLOB, -- 添加加密后的PhoneNumber列
Email VARCHAR2(30),
EncryptedPrice BLOB, -- 添加加密后的Price列
LoyaltyStatus VARCHAR2(20)
);
-- 对PhoneNumber进行加密并存储到EncryptedPhoneNumber列中
DECLARE
l_phone_number VARCHAR2(20) := '123-456-7890'; -- 原始的PhoneNumber数据
l_key RAW(128) := UTL_RAW.CAST_TO_RAW('my_secret_key'); -- 密钥
l_encrypted_data BLOB;
BEGIN
l_encrypted_data := DBMS_CRYPTO.ENCRYPT(
UTL_RAW.CAST_TO_RAW(l_phone_number),
DBMS_CRYPTO.DES_CBC_PKCS5,
l_key
);
UPDATE CUSTOMER SET EncryptedPhoneNumber = l_encrypted_data WHERE CustomerID = 1;
END;
/
-- 对Price进行加密并存储到EncryptedPrice列中
DECLARE
l_price NUMBER := 100.0; -- 原始的Price数据
l_key RAW(128) := UTL_RAW.CAST_TO_RAW('my_secret_key'); -- 密钥
l_encrypted_data BLOB;
BEGIN
l_encrypted_data := DBMS_CRYPTO.ENCRYPT(
UTL_RAW.CAST_TO_RAW(TO_CHAR(l_price)),
DBMS_CRYPTO.DES_CBC_PKCS5,
l_key
);
UPDATE PRODUCT SET EncryptedPrice = l_encrypted_data WHERE ProductID = 1;
END;
/
```
需要注意的是,解密数据时需要使用相应的密钥和解密函数,否则无法获取原始数据。
Update the second customer’s email address with this new email address: you@dzi.com, CREATE TABLE CUSTOMER ( CustomerID NUMBER(10) PRIMARY KEY, FirstName VARCHAR2(50), LastName VARCHAR2(50), Email VARCHAR2(100), PhoneNumber VARCHAR2(20) );
To update the second customer's email address with the new email address "you@dzi.com", you can use the following SQL query:
```
UPDATE CUSTOMER
SET Email = 'you@dzi.com'
WHERE CustomerID = 2;
```
This assumes that the second customer has a CustomerID of 2 in the CUSTOMER table. If the ID is different, you will need to adjust the query accordingly.
Also, this assumes that the table already exists. If not, you can use the following SQL query to create the CUSTOMER table with the specified columns:
```
CREATE TABLE CUSTOMER (
CustomerID NUMBER(10) PRIMARY KEY,
FirstName VARCHAR2(50),
LastName VARCHAR2(50),
Email VARCHAR2(100),
PhoneNumber VARCHAR2(20)
);
```
This creates a table named CUSTOMER with columns for CustomerID, FirstName, LastName, Email, and PhoneNumber. The CustomerID column is specified as the primary key.