HOW TO ASSIGN CONSECUTIVE NUMBERS IN SQL

I have a SQL Server table with the following fields:
ID
PRODUCT
ORIGINATION DATE
It contains several different ID's, each with up to 40 PRODUCTs. I need to order the products by ORIGINATION DATE, and then assign a new field with the consecutive number. For example, source data:
ID 1
PRODUCT A
ORIGINATION DATE MARCH 2, 2012
ID 1
PRODUCT B
ORIGINATION DATE DECEMBER 10, 2011
ID 1
PRODUCTO C
ORIGINATION DATE DECEMBER 14, 2011
I need the following output:
ID 1
PRODUCT A
ORIGINATION DATE MARCH 2, 2012
CONSECUTIVE NUMBER: 3
ID 1
PRODUCT B
ORIGINATION DATE DECEMBER 10, 2011
CONSECUTIVE NUMBER: 1
ID 1
PRODUCTO C
ORIGINATION DATE DECEMBER 14, 2011
CONSECUTIVE NUMBER: 2
CASH59Asked:
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appariCommented:
try this
Select  ID, PRODUCT, [ORIGINATION DATE] , Row_numer() over(order by [ORIGINATION DATE]) [CONSECUTIVE NUMBER]
from tableName
0
appariCommented:
and if you want to reset the number within each ID try this

Select  ID, PRODUCT, [ORIGINATION DATE] , Row_numer() over(partition by ID order by [ORIGINATION DATE]) [CONSECUTIVE NUMBER]
from tableName
0
CASH59Author Commented:
I need to create the CONSECUTIVE NUMBER first, it would be a new field.
thanks
0
appariCommented:
then try this,

to Add new column execute the following script
ALTER TABLE tableName ADD
	[CONSECUTIVE NUMBER] int NULL

Open in new window


To update the data execute the following script

;with a as (
Select  ID, PRODUCT, [ORIGINATION DATE] , Row_numer() over(partition by ID order by [ORIGINATION DATE]) CON_NUM
from tableName)
Update a set [CONSECUTIVE NUMBER] =CON_NUM

Open in new window

0

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CASH59Author Commented:
It works. Thanks
0
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Microsoft SQL Server

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