Skip to content

Instantly share code, notes, and snippets.

@dcs619
Created April 30, 2014 15:48
Show Gist options
  • Select an option

  • Save dcs619/b0db0067b577e71c7ebc to your computer and use it in GitHub Desktop.

Select an option

Save dcs619/b0db0067b577e71c7ebc to your computer and use it in GitHub Desktop.
Get row counts from a corrupt database (via sys.objects)
DBCC UPDATEUSAGE(0) WITH COUNT_ROWS, NO_INFOMSGS
SELECT DBName = DB_NAME(),
SchemaName = USER_NAME(so.UID),
TableName = so.Name,
TableID = so.ID,
MinRowSize = MIN(si.MinLen),
MaxRowSize = MAX(si.XMaxLen),
ReservedKB = SUM(CASE WHEN si.IndID IN (0,1,255) THEN si.Reserved ELSE 0 END) * pkb.PageKB,
DataKB = SUM(CASE WHEN si.IndID IN (0,1 ) THEN si.DPages ELSE 0 END) * pkb.PageKB
+ SUM(CASE WHEN si.IndID IN ( 255) THEN ISNULL(si.Used,0) ELSE 0 END) * pkb.PageKB,
IndexKB = SUM(CASE WHEN si.IndID IN (0,1,255) THEN si.Used ELSE 0 END) * pkb.PageKB
- SUM(CASE WHEN si.IndID IN (0,1 ) THEN si.DPages ELSE 0 END) * pkb.PageKB
- SUM(CASE WHEN si.IndID IN ( 255) THEN ISNULL(si.Used,0) ELSE 0 END) * pkb.PageKB,
UnusedKB = SUM(CASE WHEN si.IndID IN (0,1,255) THEN si.Reserved ELSE 0 END) * pkb.PageKB
- SUM(CASE WHEN si.IndID IN (0,1,255) THEN si.Used ELSE 0 END) * pkb.PageKB,
Rows = SUM(CASE WHEN si.IndID IN (0,1 ) THEN si.Rows ELSE 0 END),
RowModCtr = MIN(si.RowModCtr),
HasTextImage = MAX(CASE WHEN si.IndID IN ( 255) THEN 1 ELSE 0 END),
HasClustered = MAX(CASE WHEN si.IndID IN ( 1 ) THEN 1 ELSE 0 END)
FROM dbo.SysObjects so,
dbo.SysIndexes si,
(--Derived table finds page size in KB according to system type
SELECT Low/1024 AS PageKB --1024 is a binary Kilo-byte
FROM Master.dbo.spt_Values
WHERE Number = 1 --Identifies the primary row for the given type
AND Type = 'E' --Identifies row for system type
) pkb
WHERE si.ID = so.ID
AND si.IndID IN (0, --Table w/o Text or Image Data
1, --Table with clustered index
255) --Table w/ Text or Image Data
AND so.XType = 'U' --User Tables
AND PERMISSIONS(so.ID) <> 0
GROUP BY so.Name,
so.UID,
so.ID,
pkb.PageKB
ORDER BY TableName
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment