Go Premium for a chance to win a PS4. Enter to Win

x
?
Solved

sp_spaceused values

Posted on 2006-10-22
2
Medium Priority
?
321 Views
Last Modified: 2006-11-18
Hi I run sp_spaceused and following result display in qa

db name=rtc
db size= 900.00MB
unallocated space = -200.86MB why it has negative value over here??
0
Comment
Question by:motioneye
2 Comments
 
LVL 35

Accepted Solution

by:
Raynard7 earned 1500 total points
ID: 17785918
Hi,

This seems to occur with reasonable regularity whenever large transactions are used.

sp_spaceused uses sysindexes.dpages, which in turn gets out of whack over time as the result of various activities, such as database shrinks, large-scale insert / update / delete activity, truncations etc. To correct this, simply run DBCC UPDATEUSAGE (0) but beware - this is a heavy hitting statement that can hurt a busy server, so I suggest you schedule it to run during a period of low utilisation. DBCC UPDATEUSAGE can be used to update sysindexes for all indexes, or those of a specific table (details in BOL).

from http://www.stillhq.com/sqldownunder/archives/msg02087.html
0
 
LVL 75

Expert Comment

by:Aneesh Retnakaran
ID: 17786356
Hi motioneye,

i agree with Raynard, this is because of the bulk activities. To correct this you can use DBCC UPDATEUSAGE as mentioned above or use    

sp_spaceused @updateusage = 'TRUE'




Cheers!
0

Featured Post

 [eBook] Windows Nano Server

Download this FREE eBook and learn all you need to get started with Windows Nano Server, including deployment options, remote management
and troubleshooting tips and tricks

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

This article shows gives you an overview on SQL Server 2016 row level security. You will also get to know the usages of row-level-security and how it works
An alternative to the "For XML" way of pivoting and concatenating result sets into strings, and an easy introduction to "common table expressions" (CTEs). Being someone who is always looking for alternatives to "work your data", I came across this …
Using examples as well as descriptions, and references to Books Online, show the documentation available for date manipulation functions and by using a select few of these functions, show how date based data can be manipulated with these functions.
Viewers will learn how to use the INSERT statement to insert data into their tables. It will also introduce the NULL statement, to show them what happens when no value is giving for any given column.

916 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question