SQL 2012 :: Identifying What Caused Corruption
May 7, 2014
I had a database in suspect mode this morning.
Fixed it by:
-placing in emergency mode.
-set single_user mode
-dbcc checkdb(N'dbname', REPAIR_ALLOW_DAT_LOSS)
-Rebuild the log.
-bring online.
DBCC Checkdb returned a bunch of errors:
Extent (3:394032) in database ID 7 is allocated by more than one allocation object. The error has been repaired.
Msg 8913, Level 16, State 1, Line 2
Extent (3:394032) is allocated to 'GAM' and at least one other object.The error has been repaired.
--Lots of these
Repair: Deleted off-row data column with ID 562825134080, for object ID 1076927654, index ID 1, partition ID 72057594039566336, alloc unit ID 72057594044153856 (type LOB data) on page (3:393971), slot 28.
Repair: Deleted off-row data column with ID 562825199616, for object ID 1076927654, index ID 1, partition ID 72057594039566336, alloc unit ID 72057594044153856 (type LOB data) on page (3:393971), slot 29.
Repair: Deleted off-row data column with ID 562825265152, for object ID 1076927654, index ID 1, partition ID 72057594039566336, alloc unit ID 72057594044153856 (type LOB data) on page (3:393971), slot 30.
Lots of these:
Msg 8945, Level 16, State 1, Line 2
Table error: Object ID 1076927654, index ID 1 will be rebuilt.
The error has been repaired.
Msg 8977, Level 16, State 1, Line 2
Table error: Object ID 1076927654, index ID 1, partition ID 72057594039566336, alloc unit ID 72057594044088320 (type In-row data). Parent node for page (3:394009) was not encountered.
The error has been repaired.
[code]....
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Feb 4, 2015
is it possible that this error during backup caused Sort Warning???
I sent to support of our Storage and he make result that this caused jobs which have Sort Warning....
if I checked this error on internet, i found problem with Storage or it can be also lot of fullscan and etc.
So it can be also that Order By caused some reading directly from disk and not from memory ? maybe if there is using tempdb right ?
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Feb 3, 2015
Is there a way to identify what user has a locked row in a table?
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Jun 30, 2015
The script is failing at this point "DATEADD(mm, RowNum, salesdate) subscriptionrowdate" dont know exactly where i am going wrong.
This is my code
SELECT *, CAST(viasatsubscriptionid as char(8)) +'_'+LTRIM(STR(RowNum))subscriptionrowlog, DATEADD(mm, RowNum, salesdate) subscriptionrowdate
FROM (
SELECT viasatsubscriptionid, firstproductregistrationdate, salesdate, baseenddate,
ROW_NUMBER() over(Partition by viasatsubscriptionid order by salesdate)-1 RowNum
FROM stage_viasatsubscription
)a
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Mar 17, 2014
I have a series of records based on empid where I want to identify the empid that may have discrepancies listed. I have some empids that are listed more than once and have different DOB's. In the example I am trying to Create a DOB_ERROR column and either say yes if the DOB doesn't match the other records in the file with the same empid.
SELECT
Empid,
DOB,
CASE WHEN DOB = DOB THEN 'No' ELSE 'Yes' END AS DOB_ERROR,
City,
St,
Gender
FROM Emp
WHERE EMPID IN
('12335', '23456', '545432','231245')
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Jul 2, 2014
App developers are complaining that a blocking report I sent them today does not have enough info to troubleshoot and fix the root cause of the blocking.(I used SQL Sentry to get the report and send to the users, but I think my question is more fundamental than just using one 3rd-party tool.)The reason for the complaints is that the top blocker is a SELECT stmt on TableA that is not the Wait Resource of the blocking (TableB).
I explained that this is likely because the "blocking" SELECT stmt on TableA is part of a larger explicit tran that includes TableB, and that they need to look through their code to identify the SQL stmt that is the root cause of the blocking.They would like that root statement identified in the blocking report, but I don't think it is possible to get to that through DMVs.
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Jan 3, 2007
Using ADO.Net and SQL 2005, we have an exception handler in one of our .VB classes. We extract all the information from the exception and dump the stack into an email, but we would also like to see the query that caused the exception.
Is there an easy way to get the offending query without putting a try-catch around the hundreds of queries?
Thanks.
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Apr 14, 2004
I am getting error
Timeout expired. The timeout period elapsed prior to completion of the operation or the server is not responding.
StackTrace> at System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream) at System.Data.SqlClient.SqlCommand.System.Data.IDbCommand.ExecuteReader(CommandBehavior behavior) at System.Data.Common.DbDataAdapter.Fill(Object data, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior) at System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior) at System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, String srcTable) at Galileo.Modules.Data.DBDeclare.RunProcedure(String sp, IDataParameter[] parameters) at GalileoModules.Data.PrivateAccomodation.Search3.Query(String[] values
If I don't cache this page, would that help?
Any other suggestions?
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Mar 23, 2000
I just installed SQL7.0 on a windows 98 machine. When I go to register a new database, I get the following message.
MMC caused a general protection fault
I have rebooted the machine, removed & reinstalled the application.
Help - what else
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Apr 22, 1999
Does anyone know of any SQL errors that will stop the SQLserve.exe service? I meant the error didn't hang the SQL server service, it stopped the service (from green light to red light).
Thanks in advice for any input or ideas.
Wing
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Feb 25, 2006
Can somebody guive me alittle guidance in how to make this? I have like 4 lookups but some can throw errors, and I need to know what happened when I go to the office in the moorning.
Thanks
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May 25, 2007
My program use the mutil-threads, each thread would use AppendChunk to insert a binary file into sqlserver. But program always stopped exceptionally , But I can not catch any exception. It looks like be killed by someone or system.
Can anyone hekp me?
Thanks a lot.
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Feb 23, 1999
Hello:
We have, on a devlopment server, running a long_running transaction for
almost two days. It was still running. This morning I decided to look at
three of two backup devices under EM to see if any backups were made to
these devices during the last couple of days on a de,mand basis by anyone.
The first one had a backup and the second and third device did not.
Somehow, and for some unexplained reason, the following message was put
into the MSSQL error log (and pretty much the same message went into the NT
event viewer).
----------------------------------------------------------------------
99/02/23 10:05:45.81 kernel dbsvolopen: Backup device
'E:MSSQLBACKUPEaglePro2_run02.DAT' failed to open, operating system
error = 2(The system cannot find the file specified.)
99/02/23 10:05:48.48 kernel dbsvolopen: Backup device
'E:MSSQLBACKUPEaglePro2_run02.DAT' failed to open, operating system
error = 2(The system cannot find the file specified.)
99/02/23 10:05:49.17 kernel dbsvolopen: Backup device
'E:MSSQLBACKUPEaglePro2_run03.DAT' failed to open, operating system
error = 2(The system cannot find the file specified.)
---------------------------------------------------------------------
This error, I beleive, caused DR watson to kick off and we could only sopt
it and revive the long running transaction by rebooting the machine, of
course thus requiring us to restart the lon_running transaction.
It look like NT couldn't find the backup device and therefore activated the
drwatson executible or so it seems to me.
Has anyone experienced this error before? IS it caused by NT? Or that
perhaps a certain threshhold was reacched on NT and drwatson kicked in?Any
other ideas?
Any information that can be provided would be GREATLY appreciated. THanks.
David Spaisman
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May 2, 2006
I just updated MDAC on one of my machines and I'm now having trouble accessing my SQL server. It's a local connection using SQLOLEDB in a VB dll. It was working fine before the update and now I get:
Microsoft OLE DB Provider for SQL Server error '80004005'
[DBNETLIB][ConnectionOpen (Connect()).]SQL Server does not exist or access denied.
/cms25/CMS.asp, line 33
Most of the information I can find on this refers to TCP/IP connections but the SQL server is local. My connect function looks like this:
Public Sub ADOConnect()
With m_ADOConnection
.Provider = "SQLOLEDB"
.CursorLocation = adOpenStatic
.CommandTimeout = 20
.Mode = adModeReadWrite
.ConnectionString = "Data Source=" & m_strServer & ";Database=" & m_strName & ";" & m_strUsernamePassword
.open
End With
End Sub
On this server, m_strServer = "(local)". What am I missing? Thanks for any help in advance!
a.
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Feb 28, 2007
Hi.I need to make a trigger which fires when after an UPDATE is done ontable A in database X. The trigger must perform a statement whichcopies some of the data from the update to table B in database Y onthe same server.My question is: Can I access the data which caused the trigger to fireor just get an indication of which entry in table A had been updated?Best RegardsJens Christian Andersen.
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Jan 16, 2008
Hi,
Let's assume the client code call a stored procedure which reads: SELECT * FROM myTable WHERE ID < 100. Let's assume that for whatever reason, the query becomes very slow and takes 60 seconds to complete. This 60 secs, could be the time for the DB engine to fetch all the rows (happening before returning the resultset to client code), or during the transfer of the resultset to client code (slow network throughput).
Question1: could this prevent another user from doing SELECT on myTable? (could be onn different ID or even overlapping the ID between 1 and 100).
Question2: could this prevent another user from performing write (UPDATE/DELETE) on the rows with ID between 1 and 100?
Question3: can another user perform a write (INS, DEL, UPD) on rows outside of the ID between 1 and 100?
Thanks in advance for any help.
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Mar 20, 2006
I am trying to import a fixed width file where some of the numeric columns are empty. The columns in question are defined as integer columns (of varying sizes) and I am guessing that "empty" columns come across as multiple spaces on the import.
Even though I have "Retain null values from source" checked off, I am still receiving the following error on these empty columns:
Error: 0xC02020A1 at Input Data, Flat File Source [1]: Data conversion failed. The data conversion for column "ToContractExpiryYear" returned status value 2 and status text "The value could not be converted because of a potential loss of data.".
Error: 0xC0209029 at Input Data, Flat File Source [1]: The "output column "ToContractExpiryYear" (51)" failed because error code 0xC0209084 occurred, and the error row disposition on "output column "ToContractExpiryYear" (51)" specifies failure on error. An error occurred on the specified object of the specified component.
Error: 0xC0202092 at Input Data, Flat File Source [1]: An error occurred while processing file "\Nastinus-01ClearingDataOCC20060320ser2mst.20060317" on data row 1.
If it is truly the system treating the column as spaces (and not trimming the value), then the only solution I can think off is to source everything as strings, perform a transform that executes a Trim() (Derived Column or Script ??), THEN perform a transform that converts data types, then do whatever else I need...
Am I missing something? Is this the correct solution?
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Mar 23, 2007
I wanted to prevent ntbackup from locking my databases during the nightly backup, so I excluded the ...Data folder from the backup set. However, I think that ntbackup is backing up the databases during the volume shadow copy phase of the backup, even though their folder was excluded from the backup set (I verified this setting in the .bks file). Although the lock only lasts a few seconds, the error message is worrisome and I would prefer to skip the databases completely. How can I stop the volume shadow copy from doing this?
Below is the the sequence of events leading up to the error, most recent first:
Event Type: Error
Event Source: SQLVDI
Event Category: None
Event ID: 1
Date: 3/23/2007
Time: 3:01:49 AM
Description:
SQLVDI: Loc=CVDS::Cleanup. Desc=Release(ClientAliveMutex). ErrorCode=(288)Attempt to release mutex not owned by caller.
. Process=8684. Thread=7556. Client. Instance=. VD=.
Event Type: Information
Event Source: MSSQLSERVER
Event Category: (6)
Event ID: 18264
Date: 3/23/2007
Time: 3:01:48 AM
Description:
Database backed up. Database: master, creation date(time): 2007/03/12(15:08:23), pages dumped: 1, first LSN: 268:352:37, last LSN: 269:24:1, number of dump devices: 1, device information: (FILE=1, TYPE=VIRTUAL_DEVICE: {'{66DC3082-FB76-4312-AD74-4BDAD9FC7209}1'}). This is an informational message only. No user action is required.
Event Type: Information
Event Source: MSSQLSERVER
Event Category: (2)
Event ID: 3198
Date: 3/23/2007
Time: 3:01:47 AM
Description:
I/O was resumed on database master. No user action is required.
Event Type: Information
Event Source: ESENT
Event Category: ShadowCopy
Event ID: 2003
Date: 3/23/2007
Time: 3:01:47 AM
Description:
lsass (956) Shadow copy 24 freeze stopped.
Event Type: Information
Event Source: MSSQLSERVER
Event Category: (2)
Event ID: 3197
Date: 3/23/2007
Time: 3:01:45 AM
Description:
I/O is frozen on database master. No user action is required. However, if I/O is not resumed promptly, you could cancel the backup.
Event Type: Information
Event Source: ESENT
Event Category: ShadowCopy
Event ID: 2001
Date: 3/23/2007
Time: 3:01:45 AM
Description:
lsass (956) Shadow copy 24 freeze started.
Event Type: Information
Event Source: NTBackup
Event Category: None
Event ID: 8018
Date: 3/23/2007
Time: 3:00:14 AM
Description:
Begin Operation
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Feb 1, 2008
Hello
Am having a problem which started after I installed a databse with sqlexpress. I get this error when backing up "MSDEWriter" has reported an error 0x800423f4
I am running Windows 2003 SBS SP2.
I've checked to make sure that all of my databases are using simple in recovery mode.
Please help
Thanks
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Aug 20, 2001
Hello,
I have recently started working on a OLAP application. The database is around 35 gig, with over half of that space being taken by the indexes. What has happened is previous developers have added indexes to attempt to improve the performance of a select statement (for reporting). Some of the indexes work, but many do not.
I would like to drop the ineffective indices. What I would like is a way to find if indexes are being used, preferably by object name. Is there a third party vendor that can monitor objects and how much they are used? Is there another way to do this using SQL?
Thanks in advance,
Jim
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Sep 5, 2000
Hi,
I need to delete ONLY the duplicate rows from a table..Can anyone suggest me a way to do that thing..i used the query..
"Delete from <TableName> where SlNo IN ( Select SlNo from <TableName> group
by SlNO having Count(*) > 1)"
The resultant is all the original rows also getting deleted with the duplicates..anyone please help me out..
Thank you in advance
Rani
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May 20, 2004
How can get an object's dependencies in SQL Server. For example it I have written a procedure which accesses some tables inside it then the procedure is said to be dependent on that table. Or one procedure might call another procedure and hence dependent.
Can I know an object's dependent objects from any system table. I think Oracle has a table USER_DEPENDENCIES which provides this info (I may be wrong :-().
Can anyone help ?
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May 6, 2008
Hi,can anybody tell me how to identify all the databases from all the servers that are being accessed by a particular group
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Nov 22, 2006
Hi
Is there any way to Identify a Deadlock using the Enterprise Manager.
Someone told me that the Red Icon on the Lock/Process ID (Spid) mean a Dealock ... is that True ???
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Mar 6, 2008
Hi,
Can we define a non-identifying relationship between 2 tables in MS SQL? If yes, what will be the syntax based on what I have:
ALTER TABLE PM_VARIABLE_BIN
ADD CONSTRAINT PM_VarCoef_PM_VarBin_FK1 FOREIGN KEY (MODEL_ID,VERSION,VAR_ID) REFERENCES PM_VARIABLE_COEFFICIENT(MODEL_ID,VERSION,VAR_ID)
go
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Mar 14, 2006
Some columns in transaction tables are "mandatory fields" on the dataentry screens, and as a result tend to accumulate junk entries, wherethe user puts something, anything, in the window in order to get theGUI to accept the screen. This filler isn't as elaborate as LoremIpsum, but more likely characters from adjacent keys on the second rowof the keyboard, like "lkjkljl". This non-data gets in the way ofapplications that use the data. I wonder if there is a way torecognize and ignore this stuff -- I would assume it's a well-knownproblem, but I haven't found any literature on it. Any pointerswelcome. And sorry if this is off-topic for a DB group.Thanks,Jim Geissman
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Jul 20, 2005
Hi AllThe problem:!!I want to create a temp table which is common between different usersso that each user could select his rows and print them withoutprinting others selection.All clients use the same connection string.Is there a way to identify users?I think it's possible to delete rows of a user when he logs out theprogram.Do I think right?thanks very muchHafez
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Mar 23, 2007
Has previous work been done on this? Is their a library one can download? Here's the problem. In an aricle a person or author may make a statement about a subject or a person. I am making a database on this.
For example, here in Israel, PM Olmert may make a statement on the teacher's strike or on Abu Mazen. The article may say, speaking of Mazen, Olmert said such and such. PM Olmert said, "xxxxxxx......." with the previous material making it clear whathe was speaking of.
Right now I have ugly code. Is there a neat way of doing this?
If this is the wrong forum, can somebody direct me to the right forum?
Thanks.
Dennist
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May 4, 2015
Have a table showing info like:
Region_ID
Branch_ID
Customer_ID
Transaction_ID
In this regard need to create a view to reflect the info in the order
Region_ID (Ascending)
Branch_ID (Asc)
Customer_ID (Asc)
Transaction_ID (Asc)
But, at the same time, also want to include two additional columns identifying or even inserting 1's against each of the first Customer_ID considering the first two columns, and the second one on the single column itself?In other words consider the following sample, how to add 1 to the last two columns where either the Customer appears for the first time in context with the Region and Branch Fields or to be appearing on it's own for the first time:
Region
Branch
Customer
Transaction
Required_A
Required_B
[code]....
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Jan 30, 2007
Hi.I have an ancient preCambrian app that uses the db library to interface withsql server databases.It is written in c++.When testing it I noticed on one machine with sql server 2005 installed itruns fine, but on another it has some problems, notably.. it gets as a resultof a select statement with an order by clause the error:only fully keyset ddriven cursors can have 'order by', 'group by', or 'having'phrases.Error code 10080Can someone suggest a 'configuration' parameter that might be causing theotherwise identical systems to have this problem on one machine and not theother?ThanksJeffthanksJeffJeff Kish
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Apr 5, 2007
Hi all,
Report:
-For instance 2 small tables (eg. width 10cm = 3 inch?)
-And one wide table (eg. width 30cm = 10 inch?)
All separated by "insert pagebreak after table".
Problem:
When rendered, the pages with the small tables on have a lot of white blank space at the right of the table. This is probably caused by the big table on page 3.
This report is distributed by email in Excell format. So on sheet 1 and 2 there are a lot of white cells on the right of the tables. When trying to print, they just want to use the "landscape" option and the "fit to page" option. Because of the empty white cells, the fit to page option reduces the first 2 tables to a very small table which covers only 50 % of the page width. The other 50 % is reserved for the empty cells.
Off course, I know that deleting the empty cells offers a solutions, but it would be a lot more handier if there were no empty cells in the first place.
Anybody with a solution?
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May 29, 2007
Hello,
I created a test stored procedure in MS SQL 2000. When the problem in my app was fixed, I deleted this test stored procedure. But the backup job thinks this procedure still exist and so backup job would failed. How can I fix this problem?
Thank in advance for your assistance.
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Mar 30, 2007
I used this query to get a result
select round(cast(DateDiff(ss, convert(datetime,rf.RECVD_DTTM), convert(datetime,con.ARRIVED_DTTM))/60 as float)/60,2) as LengthOfTime
from customer rf
but i am getting an error ?
"Difference of two datetime columns caused overflow at runtime."
Any idea ?
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