CREATE TABLE [HumanResources].[EmployeePayHistory]
(
[BusinessEntityID] [int] NOT NULL,
[RateChangeDate] [datetime] NOT NULL,
[Rate] [money] NOT NULL,
[PayFrequency] [tinyint] NOT NULL,
[ModifiedDate] [datetime] NOT NULL CONSTRAINT [DF_EmployeePayHistory_ModifiedDate] DEFAULT (getdate())
) ON [PRIMARY]
GO
ALTER TABLE [HumanResources].[EmployeePayHistory] ADD CONSTRAINT [CK_EmployeePayHistory_PayFrequency] CHECK (([PayFrequency]=(2) OR [PayFrequency]=(1)))
GO
ALTER TABLE [HumanResources].[EmployeePayHistory] ADD CONSTRAINT [CK_EmployeePayHistory_Rate] CHECK (([Rate]>=(6.50) AND [Rate]<=(200.00)))
GO
ALTER TABLE [HumanResources].[EmployeePayHistory] ADD CONSTRAINT [PK_EmployeePayHistory_BusinessEntityID_RateChangeDate] PRIMARY KEY CLUSTERED  ([BusinessEntityID], [RateChangeDate]) ON [PRIMARY]
GO
ALTER TABLE [HumanResources].[EmployeePayHistory] ADD CONSTRAINT [FK_EmployeePayHistory_Employee_BusinessEntityID] FOREIGN KEY ([BusinessEntityID]) REFERENCES [HumanResources].[Employee] ([BusinessEntityID])
GO
EXEC sp_addextendedproperty N'MS_Description', N'Employee pay history.', 'SCHEMA', N'HumanResources', 'TABLE', N'EmployeePayHistory', NULL, NULL
GO
EXEC sp_addextendedproperty N'MS_Description', N'Employee identification number. Foreign key to Employee.BusinessEntityID.', 'SCHEMA', N'HumanResources', 'TABLE', N'EmployeePayHistory', 'COLUMN', N'BusinessEntityID'
GO
EXEC sp_addextendedproperty N'MS_Description', N'Date and time the record was last updated.', 'SCHEMA', N'HumanResources', 'TABLE', N'EmployeePayHistory', 'COLUMN', N'ModifiedDate'
GO
EXEC sp_addextendedproperty N'MS_Description', N'1 = Salary received monthly, 2 = Salary received biweekly', 'SCHEMA', N'HumanResources', 'TABLE', N'EmployeePayHistory', 'COLUMN', N'PayFrequency'
GO
EXEC sp_addextendedproperty N'MS_Description', N'Salary hourly rate.', 'SCHEMA', N'HumanResources', 'TABLE', N'EmployeePayHistory', 'COLUMN', N'Rate'
GO
EXEC sp_addextendedproperty N'MS_Description', N'Date the change in pay is effective', 'SCHEMA', N'HumanResources', 'TABLE', N'EmployeePayHistory', 'COLUMN', N'RateChangeDate'
GO
EXEC sp_addextendedproperty N'MS_Description', N'Check constraint [PayFrequency]=(3) OR [PayFrequency]=(2) OR [PayFrequency]=(1)', 'SCHEMA', N'HumanResources', 'TABLE', N'EmployeePayHistory', 'CONSTRAINT', N'CK_EmployeePayHistory_PayFrequency'
GO
EXEC sp_addextendedproperty N'MS_Description', N'Check constraint [Rate] >= (6.50) AND [Rate] <= (200.00)', 'SCHEMA', N'HumanResources', 'TABLE', N'EmployeePayHistory', 'CONSTRAINT', N'CK_EmployeePayHistory_Rate'
GO
EXEC sp_addextendedproperty N'MS_Description', N'Default constraint value of GETDATE()', 'SCHEMA', N'HumanResources', 'TABLE', N'EmployeePayHistory', 'CONSTRAINT', N'DF_EmployeePayHistory_ModifiedDate'
GO
EXEC sp_addextendedproperty N'MS_Description', N'Foreign key constraint referencing Employee.EmployeeID.', 'SCHEMA', N'HumanResources', 'TABLE', N'EmployeePayHistory', 'CONSTRAINT', N'FK_EmployeePayHistory_Employee_BusinessEntityID'
GO
EXEC sp_addextendedproperty N'MS_Description', N'Primary key (clustered) constraint', 'SCHEMA', N'HumanResources', 'TABLE', N'EmployeePayHistory', 'CONSTRAINT', N'PK_EmployeePayHistory_BusinessEntityID_RateChangeDate'
GO
EXEC sp_addextendedproperty N'MS_Description', N'Clustered index created by a primary key constraint.', 'SCHEMA', N'HumanResources', 'TABLE', N'EmployeePayHistory', 'INDEX', N'PK_EmployeePayHistory_BusinessEntityID_RateChangeDate'
GO