Not Able To Drop The Index

May 8, 2008

Here is my code,

1. create table t1 (id int )
2. create unique index u on t1(id)

3. create table t2 (id int constraint f foreign key references t1(id))

4. ALTER TABLE t2 NOCHECK CONSTRAINT ALL
5. ALTER TABLE t1 NOCHECK CONSTRAINT ALL

6. drop index t1.u

I get a FK voilation exception. on line 6.
I was not expecting this, because I am doing 4 & 5

Is dropping the FK is only option?

Actually I am trying to move the unique index to a different file group.




------------------------
I think, therefore I am - Rene Descartes

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Aug 17, 2001

Hi,
I am trying to drop an index usiong enterprise manager.The process hangs and Enterprise manager is not responding.When I checked the Current activity the process is in sleeping condition.I appreciate if any one can tell me what could be the reason for the process to be hung.
thanks
Mohan

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Mar 8, 1999

Hi,

I have a table which I am unable to drop the index.
I tried to drop it via the TSQL and GUI interface (Indexes dialog box),
but when I clicked on table refresh, the index still there.

Below is the result after DBCC commands:

1. DBCC checktable(TB_LOCLoan)

Checking TB_LOCLoan
The total number of data pages in this table is 146542.
Table has 1596232 data rows.
Msg 605, Level 21, State 1
Attempt to fetch logical page 462136 in database 'DM_LOCLoan' belongs to object '1744009244',
not to object 'TB_LOCLoan'.

2. DBCC newalloc(DM_LOCLoan)

TABLE: TB_LOCLoan OBJID = 832005995
INDID=0 FIRST=60168 ROOT=642778 DPAGES=146542 SORT=0
Data level: 0. 146542 Data Pages in 18393 extents.
INDID=5 FIRST=463752 ROOT=463739 DPAGES=5304 SORT=1
Msg 2525, Level 16, State 1
Table Corrupt: Object id wrong; tables: alloc page 463616 extent id=463752 l page#=463752
objid in ext=-832005995 (name = -832005995) objid in page=832005995 (name = TB_LOCLoan)
objid in sysindexes=832005995 (name = TB_LOCLoan)
TOTAL # of extents = 18393

3. From Error Msg 2525, I have tried the suggested action

use DM_LOCLoan
go
select indid, name, object_name(id)
from sysindexes
where id=832005995
and distribution=463752
go

This query does not return any row.

I am running out of clue of how to proceed! Anybody come across this problem before?
I am very eager to solve this problem as the table is hanging here, I can't even drop it to recreate
and continue data loading.

Thank you.

Regards,
Joo Pheng

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Jan 13, 2006

According to sysindexes, I have a table with a primary key and an index. I'd like to drop the index. However, when I give the drop command, the message "Cannot drop the index 'eventlog._INDEX', because it does not exist in the system catalog." is returned.

I'm not sure what to look for. How do I remove the index?

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Feb 16, 2007

Hi, all,
I want to re-create an index on a production table.
I got an error 644 "could not find index entry...".
The DBCC CHECKDB and CHECKTABLE gave me this:

Server: Msg 8928, Level 16, State 1, Line 1
Object ID 37575172, index ID 6: Page (1:939782) could not be processed. See other errors for details.
Server: Msg 8939, Level 16, State 1, Line 1
Table error: Object ID 37575172, index ID 6, page (1:939782). Test (*(((int*) &m_reservedB) + i) == 0) failed. Values are 7 and 36.
DBCC results for 'Mfg_DFSFNSF'.
There are 1142314 rows in 326143 pages for object 'Mfg_DFSFNSF'.
CHECKTABLE found 0 allocation errors and 2 consistency errors in table 'Mfg_DFSFNSF' (object ID 37575172).

The table script for the index is like this:

CREATE UNIQUE INDEX [Mfg_ITMDH_MbrIdx] ON [dbo].[Mfg_DFSFNSF]([_ITMDH_OwnRow], [_ITMDH_MbrKey], [RECTYPE]) WITH FILLFACTOR = 70 ON [PRIMARY]

My question is that can I drop it and run above create it to fix the problem in live mode?

I know the other option will be:
DBCC CHECKTABLE (FSDBMR.dbo.Mfg_DFSFNSF, repair_allow_data_loss)
But that has to put the db under single user mode.

Thanks!

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Feb 8, 2008

I'm trying to drop indexes if they already exist then recreate them as needed, however, I'm getting an error if the index does not exist and I thought that's what the "IF Exists" statement was for.

syntax:
IF EXISTS (SELECT name FROM sysindexes WHERE name = 'idx_acct_no') DROP INDEX accounts.idx_acct_no
go
create index [idx_acct_no] ON [dbo].[accounts] ([acct_no])
go

Error when index does not exist:
Server: Msg 3703, Level 11, State 7, Line 1
Cannot drop the index 'accounts.idx_acct_no', because it does not exist in the system catalog.

Is there anyway to not get this error?

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Hi all,

I come from MySQL.

In sqlserverce

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also for droping a table.

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Or BACKUP can be performed by using the FILEGROUP or FILE clauses to restrict the selection to include only online data.


I don't need the index so I tried to drop it with both:

DROP fulltext catalog 'myCatalog'

and

DROP catalog 'myCatalog'


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How can I get rid of this index so I can backup my database?

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We are running MS RS and SQL Server 2000 SP3.

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Well problem is some times in 1-2 months, any simple AR query takes a long time and every other client gets slow response (queries are very slow or sometimes block).


If we DROP any index on LEDGER table and again put it back (RECREATE), all our queries work fine and faster. This goes on till 1-2 months, till we see the same issue again.



This is a classic case happened today. Queries were running fine till morning 8 AM. We upload some 50 thousand records to Ledger table (Data Conversion). Well after 30 mins, all simple AR queries started taking a long time. We DROPPED an index in LEDGER table and everything was faster....Just to be same we added back the same index again.......everything is Faster.....



What is this. ....is it our QUERY, index or huge Transactions or no free space ???



We are scheduled to run SP4, next week. But is there any solution in the mean time on what is this?



Also is they any way to KILL all SQL server processes that take more than a mins. We just don't want ALL our client to Slow down because of one query????



Thanks,

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We've already check the account running the SSAS has local admin to the server.

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Dec 5, 2007



Dear All.

We had Teradata 4700 SMP. We have moved data from TD to MS_SQL SERVER 2003. records are 19.65 Millions.

table is >> Order_Dtl

Columns are:-

Client_ID varchar 10
Order_ID varchar 50
Order_Sub_ID decimal
.....
...
..
.
Pk is (ClientID+OrderId+OrderSubID)

Web Base application or PDA devices use to initiate the order from all over the country. The issue is this table is not Partioned but good HP with 30 GB RAM is installed. this is main table that receive 18,0000 hits or more. All brokers and users are using this table to see the status of their order.

The always search by OrderID, or ClientID or order_SubNo, or enter any two like (Client_ID+Order_Sub_ID) or any combination.

Query takes to much time when ever server receive more querys. some orther indexes are also created on the same table like (OrderDate, OrdCreate Date and Status)

My Question are:-


Q1. IF Person "A" query to DB on Client_ID, then what Index will use ? (If any one do Query on any two combination like Client_ID+Order_ID, So what index will be uesd.? How does MS-SQL SERVER deal with these kind of issues.?

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Q3. I want to check what indexes has been used? on what search?

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My Limitation is i Dont Create a Partioned table. I dont have permission to do it.



In Teradata we had more than 4 tb record of CRM data with no issue. i am not new baby in db line but not expert in sql server 2003.


I am thank u to all who read or reply.

Arshad

Manager Database
Esoulconsultancy.com

(Teradata Master)
10g OCP










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Detail error msg:

Exception of type Microsoft.ReportingServices.ReportRendering.ReportRenderingException was thrown. (rrRenderingError) Get Online Help

Exception of type Microsoft.ReportingServices.ReportRendering.ReportRenderingException was thrown.

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Jun 20, 2008

hello friends
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i select category1 category2 and category3 with select code but i have just one index.. it is productnumber and it is primarykey..So my select code lines is so slow.. it is 7-9 second.. how can i select in 0.1 second ? Should i create index for category1 and category2 and category3 ? But i dont know create index.. My select code lines is below.. Could you learn me and show me index for it ?? or Could you learn me and show me fast Select code lines and index or etc ??? Also my search code line have a dangerous releated to attaching table1 with hackers :)
cheersi send 3 value of treview1 node and childnode and child.childnode to below page.aspx :)
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
If Not Me.IsPostBack Then
If Request("TextBox1") IsNot Nothing ThenTextBox1.Text = Request("TextBox1")
End If
If Request("TextBox2") IsNot Nothing ThenTextBox2.Text = Request("TextBox2")
End If
If Request("TextBox3") IsNot Nothing ThenTextBox3.Text = Request("TextBox3")
End If
End If
Dim searchword As String
If Request("TextBox3") = "" And Request("TextBox2") = "" Then
searchword = "Select * from urunlistesi where kategori= '" & Request("TextBox1") & "'"
End If
If Request("TextBox3") = "" Then
searchword = "Select * from urunlistesi where kategori= '" & Request("TextBox1") & "' and kategori1= '" & Request("TextBox2") & "'"
End If
If Request("TextBox3") <> "" And Request("TextBox2") <> "" And Request("TextBox1") <> "" Then
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Hi,

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Hi everyone,
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Thanks

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Mar 5, 2015

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Will the resulting index keys on this new NC index effectively be:

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OR
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Do the clustering keys get added to a NC index in the same order as they are defined in the clustered index?

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Jun 18, 2008

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I understand the clustered index is created for each table and most likely accessed within the user schema who have access to the database.

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Thank you
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Sep 10, 2007



Hi All,

I 'm working to improve some sql performance.


One of the major syntax inside the SELECT statment is ..

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WHERE FIELDB IN (SELECT PARAVALUE FROM PARATABLE WHERE SESSIONID = "XXXXX" AND PARATYPE='B') AND
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WHERE FIELDE IN (SELECT PARAVALUE FROM PARATABLE WHERE SESSIONID = "XXXXX" AND PARATYPE='E') AND
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I think properly is that the SELECT ... IN is causing much slowness in the sql statement. I have indexed FIELDA , FIELDB, FILEDC etc and those PARAVALUE and PARATYPE in the PARATABLE table. But perfromance is still slow and execution takes >20 seconds for 200000 rows of records.

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Hi folks.

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Those statements only will be effected by rollback or commit but in MS SQL SERVER 7.0 and 6.5
It is rolling back all the commands including DDL witch it shouldn't please let me know on that
If any one can help this please tell me ...........Please............
For Example
begin transaction t1
create table t1
drop table t2

then execute bellow statements
select * from t1
this query gives you table with out data

select * from t2
you will recieve an error that there is no object

but if you rollback
T1 willn't be there in the database

droped table t2 will come back please explain how it can happand.....................

Email Address:
myself@ramkistuff.8m.com

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