updated record is inserting into the history table not the old record - sql

Question

i have two tables Test and TestHistory
CREATE TABLE [dbo].[TEST](
[ID] [int] NULL,
[Name] [varchar](10) NULL,
[Status] [char](1) NULL,
[CreatedDate] [datetime] NULL
) ON [PRIMARY]
GO
CREATE TABLE [dbo].[Test_History](
[ID] [int] NULL,
[Name] [varchar](10) NULL,
[Status] [char](1) NULL,
[CreatedDate] [datetime] NULL
) ON [PRIMARY]
GO
INSERT INTO TEST ([ID],[Name],[Status],[CreatedDate])values (1,'Mohan','A',GETDATE())
Created Trigger :
ALTER TRIGGER [dbo].[trg_Test]
ON [dbo].[TEST]
FOR UPDATE
AS
Declare #ID INT;
Declare #Name varchar(10);
Declare #Status CHAR(2);
Declare #CreatedDate DATETIME;
Select #ID = I.ID from INSERTED I
Select #Name = I.Name from INSERTED I
Select #Status = I.Status from INSERTED I
Select #CreatedDate = I.CreatedDate from INSERTED I
INSERT INTO [dbo].[Test_history]
([ID]
,[Name]
,[Status]
,[CreatedDate]
)
SELECT #ID,
#Name,
#Status,
GETDATE()
FROM INSERTED I
WHERE #ID = [ID]
When I'm updating the record like
Update [TEST] SET Status = 'I' then the old record with Status = 'A' should inserted but the what ever i'm updating it has been inserting into Testhistory table not the old record
where i'm doing wrong and how to insert old value
like if i updating Status = 'I' and in history table Status = 'A' shoul be inserted

Answer 1

You need to INSERT from DELETED not from INSERTED.
See examples here Understanding SQL Server inserted and deleted tables for DML triggers.

Answer 2

Like Karl mentioned, you need to refer deleted table for old updated row information. Apart from that your existing code doesn't work when you update more than a single row. What you need is something like this.
ALTER TRIGGER [dbo].[trg_Test]
ON [dbo].[TEST]
FOR UPDATE
AS
INSERT INTO [dbo].[Test_history]
(
[ID],
[Name],
[Status],
[CreatedDate]
)
SELECT ID,
Name,
Status,
GETDATE()
FROM deleted d