USE [MyDb]
GO
CREATE TABLE [dbo].[MachineWorkInfoes](
[Id] [int] IDENTITY(1,1) NOT NULL,
[WorkDate] [datetime] NOT NULL,
[FieldEngineerId] [int] NULL,
[MachineId] [int] NOT NULL,
[TransportCount] [int] NOT NULL,
[TimeStart] [float] NOT NULL,
[TimeEnd] [float] NOT NULL,
[Kilometer] [float] NOT NULL,
[WorkTime] [float] NOT NULL,
[Code] [nvarchar](50) NULL,
[Name] [nvarchar](150) NOT NULL,
[Description] [nvarchar](500) NULL,
[Ordering] [int] NULL,
[IsActive] [bit] NOT NULL,
[Created] [datetime] NOT NULL,
[CreatedName] [nvarchar](50) NULL,
[Modified] [datetime] NOT NULL,
[ModifiedName] [nvarchar](50) NULL,
[ParentId] [int] NULL,
[SiteId] [int] NOT NULL,
[SectionId] [int] NULL,
PRIMARY KEY CLUSTERED
(
[Id] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]
GO
ALTER TABLE [dbo].[MachineWorkInfoes] WITH CHECK ADD CONSTRAINT [MachineWorkInfo_FieldEngineer] FOREIGN KEY([FieldEngineerId])
REFERENCES [dbo].[EmployeeInfoes] ([Id])
GO
ALTER TABLE [dbo].[MachineWorkInfoes] CHECK CONSTRAINT [MachineWorkInfo_FieldEngineer]
GO
ALTER TABLE [dbo].[MachineWorkInfoes] WITH CHECK ADD CONSTRAINT [MachineWorkInfo_Machine] FOREIGN KEY([MachineId])
REFERENCES [dbo].[EmployeeWithCars] ([Id])
ON DELETE CASCADE
GO
ALTER TABLE [dbo].[MachineWorkInfoes] CHECK CONSTRAINT [MachineWorkInfo_Machine]
GO
ALTER TABLE [dbo].[MachineWorkInfoes] WITH CHECK ADD CONSTRAINT [MachineWorkInfo_Section] FOREIGN KEY([SectionId])
REFERENCES [dbo].[SectionInfoes] ([Id])
GO
ALTER TABLE [dbo].[MachineWorkInfoes] CHECK CONSTRAINT [MachineWorkInfo_Section]
GO
энэ жишээгээр бол relationship class ийг дураараа үүсгэж загварчилж болно.
Жишээ нь: ASP.NET entity framework дээр entity Class нь нэг иймэрхүү бичиглэлтэй болно
ямар ажилчин ямар тушаал дээр хэзээ ажилласанг бүртгэх кодын жишээ
public class MachineWorkInfo : NamedMetaData
{
[DisplayName("Ажил хийсэн өдөр")]
[Required(ErrorMessage = "Ажил хийсэн өдөр заавал байх ёстой!")]
public DateTime WorkDate { get; set; }
[DisplayName("Хариуцсан ажилтан")]
[Required(ErrorMessage = "Хариуцсан ажилтан заавал байх ёстой!")]
public Nullable<int> FieldEngineerId { get; set; }
public virtual EmployeeInfo FieldEngineer { get; set; }
[DisplayName("Амжил хийсэн машин")]
[Required(ErrorMessage = "Амжил хийсэн машин заавал байх ёстой!")]
public int MachineId { get; set; }
public virtual EmployeeWithCar Machine { get; set; }
[DisplayName("Рэйсийн тоо")]
[Required(ErrorMessage = "Рэйсийн тоо заавал байх ёстой!")]
[RegularExpression(@"^\$?\d+(\.(\d{2}))?$", ErrorMessage = "Тоон утга байх ёстой!")]
public int TransportCount { get; set; }
[DisplayName("Спидометр явахад")]
[Required(ErrorMessage = "Спидометр явахад заавал байх ёстой!")]
[RegularExpression(@"^(-{0,1})([0-9]+)(\.{0,1})([0-9]*)$", ErrorMessage = "Тоон утга байх ёстой!")]
public double TimeStart { get; set; }
[DisplayName("Спидометр ирэхэд")]
[Required(ErrorMessage = "Спидометр ирэхэд заавал байх ёстой!")]
[RegularExpression(@"^(-{0,1})([0-9]+)(\.{0,1})([0-9]*)$", ErrorMessage = "Тоон утга байх ёстой!")]
public double TimeEnd { get; set; }
[DisplayName("Явсан километр")]
[Required(ErrorMessage = "Явсан километр заавал байх ёстой!")]
[RegularExpression(@"^(-{0,1})([0-9]+)(\.{0,1})([0-9]*)$", ErrorMessage = "Тоон утга байх ёстой!")]
public double Kilometer { get; set; }
[DisplayName("Ажилласан цаг")]
[Required(ErrorMessage = "Ажилласан цаг заавал байх ёстой!")]
[RegularExpression(@"^(-{0,1})([0-9]+)(\.{0,1})([0-9]*)$", ErrorMessage = "Тоон утга байх ёстой!")]
public double WorkTime { get; set; }
}
how to delete constrainted column from table
ALTER TABLE [dbo].[LanguageInfoes] DROP CONSTRAINT [FK_LanguageInfoes_SectionInfoes_SectionId]
GO
Exec ('DROP INDEX [' + @indexName + '] ON [' + @tableName + ']')
GO
No comments:
Post a Comment