Write a trigger. Delete a record from tb_control and automatically add the record to tb_ctrlhistor in another table.

Source: Internet
Author: User
Write a trigger. Delete a record from tb_control and automatically add the record to tb_ctrlhistor in another table.

Create   Trigger Save_history
On Tb_control
For   Delete  
As  
If   @ Rowcount > 0  
Begin  
Insert Tb_ctrlhistor Select Column_name_1, column_name_12 From Deleted
End

Write an SQL statement that can be executed in the query analyzer.
Write tb_test, field ID, name, num in five cycles;
ID is the automatic number, name is 1, num from 1 to 5

Create   Table For_test
(
A Varchar ( 50 )
)

Declare   @ I   Int
Set   @ I = 1
While ( @ I <= 5 )
Begin

Insert   Into For_test Values ( Cast ( @ I   As   Varchar ( 50 )))
Set   @ I = @ I + 1
 
End

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