从数据行入手保护SQL Server数据安全
作者:IT科技类资讯 来源:应用开发 浏览: 【大中小】 发布时间:2025-11-05 14:07:57 评论数:
--create table script CREATE TABLE dbo.UserAccess ( UserID varchar(20) NOT NULL,从数 Department varchar(50) NOT NULL ) CREATE TABLE [dbo].[Orders]( [OrderID] [int] NOT NULL, [CustomerName] [varchar](20) NOT NULL, [OrderTotal] [money] NOT NULL, [Department] [varchar](50) NOT NULL ) CREATE TABLE dbo.Departments ( Department varchar(50) NOT NULL, ParentDepartment varchar(50) ) --end create table script
--script to clear then populate example tables
--clear tables Delete from departments Delete from orders Delete from useraccess
--insert departments table INSERTINTO [dbo].[Departments] ([Department],[ParentDepartment]) VALUES (North America,) INSERT INTO [dbo].[Departments] ([Department],[ParentDepartment]) VALUES (East,North America) INSERT INTO [dbo].[Departments] ([Department],[ParentDepartment]) VALUES (Southeast,East) INSERT INTO [dbo].[Departments] ([Department],[ParentDepartment]) VALUES (Northeast,East) INSERT INTO [dbo].[Departments] ([Department],[ParentDepartment]) VALUES (West,North America) INSERT INTO [dbo].[Departments] ([Department],[ParentDepartment]) VALUES (Southwest,West) INSERT INTO [dbo].[Departments] ([Department],[ParentDepartment]) VALUES (Northwest,West)
--insert orders table INSERT INTO [dbo].[Orders] ([OrderID],[CustomerName],[OrderTotal],[Department]) VALUES (1,Harris,11.00,East) INSERT INTO [dbo].[Orders] ([OrderID],[CustomerName],[OrderTotal],[Department]) VALUES (2,Corrigan,22.00,Southeast) INSERT INTO [dbo].[Orders] ([OrderID],[CustomerName],[OrderTotal],[Department]) VALUES (2,Corrigan,22.00,Southeast) INSERT INTO [dbo].[Orders] ([OrderID],[CustomerName],[OrderTotal],[Department]) VALUES (3,Baldwin,33.00,Southeast) INSERT INTO [dbo].[Orders] ([OrderID],[CustomerName],[OrderTotal],[Department]) VALUES (4,Pillow,44.00,Northeast) INSERT INTO [dbo].[Orders] ([OrderID],[CustomerName],[OrderTotal],[Department]) VALUES (5,Carpenter,55.00,Northeast) INSERT INTO [dbo].[Orders] ([OrderID],[CustomerName],[OrderTotal],[Department]) VALUES (6,Meyer,66.00,West) INSERT INTO [dbo].[Orders] ([OrderID],[CustomerName],[OrderTotal],[Department]) VALUES (7,Gonzalez,77.00,Southwest) INSERT INTO [dbo].[Orders] ([OrderID],[CustomerName],[OrderTotal],[Department]) VALUES (8,Hall,88.00,Northwest) INSERT INTO [dbo].[Orders] ([OrderID],[CustomerName],[OrderTotal],[Department]) VALUES (9,Patrick,99.00,Southwest)
--insert user access table INSERT INTO [dbo].[UserAccess] ([UserID],[Department]) VALUES (BLambert,Southwest) INSERT INTO [dbo].[UserAccess] ([UserID],[Department]) VALUES (MDavis,East) INSERT INTO [dbo].[UserAccess] ([UserID],[Department]) VALUES (MDavis,Southeast) INSERT INTO [dbo].[UserAccess] ([UserID],[Department]) VALUES (MDavis,Northeast) INSERT INTO [dbo].[UserAccess] ([UserID],[Department]) VALUES (WSimmons,Northeast)
--end script to clear then populate example tables
1.2.3.4.5.6.7.8.9.10.11.12.13.14.15.16.17.18.19.20.21.22.23.24.25.26.27.28.29.30.31.32.33.34.35.36.37.38.39.40.41.42.43.44.45.46.47.48.49.50.51.52.53.54.55.56.57.58.59.60.61.62.63.64.65.66.67.68.69.70.71.72.73.一、使用命令设置ubuntu的ip地址 1.修改配置文件blacklist.conf禁用IPV6： 2.在文档最后添加 blacklist ipv6，然后查看修改结果： 3.设置IP（设置网卡eth0的IP地址和子网掩码） 4.设置网关 5.设置DNS 修改/etc/resolv.conf，在其中加入nameserver DNS的地址1 和 nameserver DNS的地址2 完成。 6.重启网络服务（若不行，请重启ubuntu：sudo reboot）： 7.查看当前IP： 二、直接修改系统配置文件 ubuntu的网络配置文件是：/etc/network/interfaces 并用下面的行来替换有关eth0的行： 用下面的命令使网络设置生效： 也可以在命令行下直接输入下面的命令来获取地址 2. 为网卡配置静态IP地址 并用下面的行来替换有关eth0的行： 将上面的ip地址等信息换成你自己就可以了.用下面的命令使网络设置生效： 3. 设定第二个IP地址(虚拟IP地址) 在该文件中添加如下的行： 根据你的情况填上所有诸如address,netmask,network,broadcast和gateways等信息： 使用下面的命令来设置当前主机的主机名称： 系统启动时,它会从/etc/hostname来读取主机的名称。 5. 配置DNS 6.手动重启网络服务： 返回结果如下： *Reconfiguring network interfaces… [OK]