Posted by Erland Sommarskog on 06/12/07 21:32

M A Srinivas (masri999@gmail.com) writes:
> 2. Here i want know the space occupied by the field name "description"
> for the product id=1.
>
> SELECT SUM(DATALENGTH(description)) FROM table
> WHERE product_id=1.

Should be:

SELECT SUM(2 + DATALENGTH(description)) FROM table
WHERE product_id=1.

Add 2 for the length stored for the field.

--
Erland Sommarskog, SQL Server MVP, esquel@sommarskog.se

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