Create An Indexed View And Replicate To Table

Mar 20, 2008

All,

I have a huge problem to solve.

1) Need to create an Indexed View that joins multiple tables.I know how to create a regular View, but How do I create an Indexed View ?

2)Need be able to replicate the Indexed View [above] across to another server B into a table.

I have to get this done and seriously don't know where to start.

Do HELP me out .Thank You.

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Unable To Create A Partitioned Indexed View

Jul 25, 2005

Hi,

While creating an indexed view with the command :

create unique clustered index idx_atrid on account_transactions (policy)

there is a check constraint on the policy column of the tables used in this view.

The following error is encountered

Cannot index the view 'test.dbo.account_transactions'. It contains one or more disallowed constructs.

Can anyone help?

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How To Create Non-unique Clustered Indexed View?

May 30, 2008

I'm not able to create indexed views,
which are clustered-indexed on only 1st field.

I can't even INCLUDED other fields.

I need the entire view to exist as a physical table. (for performance)

Please let me know the work around.


Thanks..

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Can I Add A Foriegn Key On A Indexed View To Reference Other Table

Nov 8, 2006

Is there anybody familiar with indexed view here?

Can I add a foriegn key on a indexed view to reference other table?

Thanks!

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Error (8626) While Inserting Record Into Table With Text Field And Which Is The Base For Indexed View

Mar 14, 2006

I have a problem with inserting records into table when an indexed viewis based on it.Table has text field (without it there is no problem, but I need it).Here is a sample code:USE testGOCREATE TABLE dbo.aTable ([id] INT NOT NULL, [text] TEXT NOT NULL)GOCREATE VIEW dbo.aViewWITH SCHEMABINDING ASSELECT [id], CAST([text] AS VARCHAR(8000)) [text]FROM dbo.aTableGOCREATE TRIGGER dbo.aTrigger ON dbo.aView INSTEAD OF INSERTASBEGININSERT INTO aTableSELECT [id], [text]FROM insertedENDGODo the insert into aTable (also through aView).INSERT INTO dbo.aTable VALUES (1, 'a')INSERT INTO dbo.aView VALUES (2, 'b')Still do not have any problem. But when I need index on viewCREATE UNIQUE CLUSTERED INDEX [id] ON dbo.aView ([id])GOI get following error while inserting record into aTable:-- Server: Msg 8626, Level 16, State 1, Procedure aTrigger, Line 4-- Only text pointers are allowed in work tables, never text, ntext, orimage columns. The query processor produced a query plan that requireda text, ntext, or image column in a work table.Does anyone know what causes the error?

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Creating Index On A View To Prevent Multiple Not Null Values - Indexed View?

Jul 23, 2005

I am looking to create a constraint on a table that allows multiplenulls but all non-nulls must be unique.I found the following scripthttp://www.windowsitpro.com/Files/0.../Listing_01.txtthat works fine, but the following lineCREATE UNIQUE CLUSTERED INDEX idx1 ON v_multinulls(a)appears to use indexed views. I have run this on a version of SQLStandard edition and this line works fine. I was of the understandingthat you could only create indexed views on SQL Enterprise Edition?

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Transact SQL :: Returning Non Indexed Records From Sorted Table - Speed Same As Indexed?

Dec 1, 2015

I have created a table from another table where I specified that one of the fields, an number field,  is sorted in ascending order and have NOT specified that it is to be an indexed field and there are 10 million records, from 1 to 10,000,000 exactly.

Now, if I query that table, asking to return records 1-1,000 from that non indexed number field that I sorted in ascending order (where number field <= 1,000) , will it run as fast as if it were indexed?

In other words, does SQL know somehow that these records are sorted in ascending order and so will not do a full table scan, stopping at 1,000 to return my data set?

Or is there no way for SQL to know this and only specifying an indexed field allows SQL to know that its in some order and so it doesn't have to do the full scan?

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Problems On Create Proc Includes Granting Create Table Or View Perissinin SP

Aug 4, 2004

Hi All,

I'm trying to create a proc for granting permission for developer, but I tried many times, still couldn't get successful, someone can help me? The original statement is:

Create PROC dbo.GrantPermission
@user1 varchar(50)

as

Grant create table to @user1
go

Grant create view to @user1
go

Grant create Procedure to @user1
Go



Thanks Guys.

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Indexed View

Jan 10, 2002

Hi All,

I have over 100 views in a database. How can I check which view we used indexed view?

Thanks.

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Indexed View

Jan 11, 2002

Hi All,

I have over 100 views in a database. I created non-clustered index on views. Now I need to check out which views have index.

How can I check which views we created as indexed views?

Thank you very much.

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Indexed View

Oct 19, 2004

Hi

I am trying toe create an indexed view but cannot seem to get it right.

CREATE VIEW dbo.D_Policy_View with schemabinding
AS
SELECT Policy_ID, Environment_Code, CoB, Sub_CoB, Policy_No, Version_No
FROM dbo.D_Policy
WHERE (Policy_ID IN
(SELECT MAX(Policy_ID)
FROM dbo.d_Policy
GROUP BY Environment_Code, COB, Policy_No, SUB_COB))

I have read on BoL that MAX is not allowed but don't know of any other way to get the latest record??

please help :confused: :mad: :eek:

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Indexed View???

Mar 9, 2004

Hi,

I have a problem trying to create an indexed view on SQL Server 2000. There are multiple databases, one of which stores system wide data. I would like to create an indexed view on the system wide data for each of the site databases.

Is it possible to create an indexed view on data in another database?

Cheers

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Indexed View

Jan 11, 2007

snehalata writes "i create view as follows
CREATE VIEW Data
WITH SCHEMABINDING
AS
SELECT A.PartitionID,FundID,ReportDate,ForeignTaxWithheld,DomDividendIncome,RGainShortTerm,RGainLongTerm,NewIssueRGainShortTerm,
NewIssueRGainLongTerm,ChgUnrealizedGain,ReplaceTax,TotIncomeBefFee,TotalIncome,EndingNetCapital,EndingRedemptionUnits,
BeginRedemptionAmount,EndingRedemptionAmount,EndingUnits,InterestOverseas,ExpenseOverseas,OrdIncome,
ReallocationExpense,BeginRedemptionFee,EndingRedFee,BeginGrossCapital,EndingGrossCapital,GPFees,FixedExpense,MergerCost,
SellingCommission,GrossRoR,NAV,GAV,GPMgmtFee,IMMgmtFee,GPIncentivefee,IMIncentivefee,NetRoR,MonthCounter,
BegUnits,BegAddUnits,BegAddAmount,EndAddAmount,GrossRealizedGain,BrokerCommission,
NetRealizedGain,OperatingExpense,OffsellExp,OrgExp,USObligationIncome,FixIncomeIntrIncome,
CapitalGain,SellingFee,SellingMgmtFeeMidQtr,SyndicateCost,BeginNetCapital,DomesticDividendExp,FixedIncomeIntrExp
FROMdbo.vPart1A
LEFT JOIN dbo.vPart2B
ON A.PartitionID= B.PartitionID

then if i creat index as follows

SET ANSI_NULLS ON
SET ANSI_PADDING ON
SET ANSI_WARNINGS ON
SET ARITHABORT ON
SET CONCAT_NULL_YIELDS_NULL ON
SET QUOTED_IDENTIFIER ON
SET NUMERIC_ROUNDABORT OFF

create unique clustered index ind1 on Data(FundID,ReportDate)
it gives me following error
Cannot index the view 'MonthliesTest2.4.dbo.Data'. It contains one or more disallowed constructs.

why so?"

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What Is Indexed View ?

Mar 11, 2008

what does it mean ? Why it is necessary to create/put it ? How do you use it in SQL 2005 or 2000 ?

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Indexed View Utilization

Aug 1, 2006

I created an indexed view in SQL 2000, and I expected to see the index created on the view referenced in the execution plan when I query the view. Instead, I see the index for the base table referenced in the execution plan. Why?

There are 6,000,000+ records in the base table, and the view only references 256 of these rows.

Here is some of the DDL if you need it:

CREATE TABLE [alarm_t] (
[ct_dtm] [datetime] NOT NULL ,
[dst_flg] [char] (3) COLLATE SQL_Latin1_General_CP1_CI_AS NOT NULL ,
[stn_nm] [varchar] (10) COLLATE SQL_Latin1_General_CP1_CI_AS NOT NULL ,
[alarm_txt] [varchar] (255) COLLATE SQL_Latin1_General_CP1_CI_AS NOT NULL ,
[utc_dtm] [datetime] NOT NULL ,
[create_utc_dtm] [datetime] NOT NULL
) ON [PRIMARY]
GO

CREATE CLUSTERED INDEX [alarm_idx2] ON [dbo].[alarm_t]([ct_dtm], [stn_nm], [dst_flg]) ON [PRIMARY]
GO

create view dbo.alarm_Mapbd_v with schemabinding
as
SELECT
[ct_dtm],
[dst_flg],
[stn_nm],
[alarm_txt],
[utc_dtm],
[create_utc_dtm]
FROM [dbo].[alarm_t]
WHERE[stn_nm]= 'Mapbd'
GO

create unique clustered index alarm_Mapbd_idx1 on dbo.alarm_Mapbd_v
( stn_nm, ct_dtm, dst_flg )
go

update statistics alarm_t
go
update statistics alarm_Mapbd_v
go

The following 2 queries have the exact same execution plan, both showing a cost of 50%. I expected to see the index created on the view referenced in the execution plan for the first query. Is the index created on the view being used?

selectstn_nm, ct_dtm, dst_flg
fromalarm_Mapbd_v
go
SELECT
[ct_dtm],
[dst_flg],
[stn_nm],
[alarm_txt],
[utc_dtm],
[create_utc_dtm]
FROM [dbo].[alarm_t]
WHERE[stn_nm]= 'Mapbd'
go

Thanks for your assistance.

Tom

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Help: Indexed View Question

Dec 11, 2006

I have created a unique clustered index on a view.
The view does a GROUP BY on 3 of the columns and
uses the COUNT_BIG aggregate function.
I used the following SET commands before creating the view and the index:

SET ARITHABORTON
SET CONCAT_NULL_YIELDS_NULL ON
SET QUOTED_IDENTIFIER ON
SET ANSI_NULLSON
SET ANSI_PADDINGON
SET ANSI_WARNINGSON
SET NUMERIC_ROUNDABORTOFF

I can insert and delete rows from the base table, and the indexed view is updated fine.

However, when a scheduled job does effectively the same thing (delete some rows, and insert some new rows) I get the following error:

Executed as user: NT AUTHORITYSYSTEM. DELETE failed because the following SET options have incorrect settings: 'ARITHABORT'. Verify that SET options are correct for use with indexed views and/or indexes on computed columns and/or query notifications and/or xml data type methods. [SQLSTATE 42000] (Error 1934). The step failed.

Why am I getting this error?

The same SET commands above are in the Transact-SQL code for the job before the delete and before the insert statements.

Thanks,
Tom

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Indexed View Crashes ASP.NET App

Oct 13, 2007

I was looking to improve the performance of an ASP.NET application bycreating the an indexed view that could be used instead of some of theroot tables.What I didn't realize is that it would affect any future conenctionsto the root tables.This of course crashed the application on any type of insert, update,or delte from the root tables.Funny thing is when I removed the indexed view -- it didn't help.I tried flipping the offending options to the opposite of way theywere set on the database and the errors wouldn't go away.I ended up restoring the database from before my mess up to fix it.I was hoping that the SQL experts out there might shed some light onmy problem before I try again.

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Creating An Indexed View

Nov 15, 2006

I am trying to create an indexed view, on a date from a date dimension table...I am new to SQL, and I am at a loss of ideas on this one. Any help would be greatly appreciated!

Here is the Error I am given

"Msg 4513, Level 16, State 2, Procedure VEW_F_MZT_ORDER_HEADER_DAY, Line 3

Cannot schema bind view 'JJWHSE.VEW_F_MZT_ORDER_HEADER_DAY'. 'JJWHSE.VEW_F_INVC_SHIP_TO' is not schema bound.

Msg 1939, Level 16, State 1, Line 1

Cannot create index on view 'VEW_F_MZT_ORDER_HEADER' because the view is not schema bound."

Here is my code..

CREATE VIEW [JJWHSE].[VEW_F_MZT_ORDER_HEADER_DAY] WITH SCHEMABINDING

AS

SELECT TEW_D_DT.DT_KEY AS DATE_KEY,

VEW_F_MZT_ORDER_HEADER.LOCATION_KEY AS LOC_KEY,

TEW_D_LOC.LOC_DESC AS LOC_DESC ,

TEW_D_LOC.RGN_DESC AS REGION_DESC,

TEW_D_LOC.DISTRICT_DESC AS DISTRICT_DESC,

ISNULL(SUM(VEW_F_INVC_PAY_EXT.PRORATED_NET_PRICE),0) AS CONCIERGE_FLASH,

COUNT_BIG(*) AS COUNT

FROM

JJWHSE.VEW_F_INVC_SHIP_TO VEW_F_INVC_SHIP_TO

INNER JOIN

JJWHSE.VEW_F_INVC_PAY_EXT VEW_F_INVC_PAY_EXT

ON

VEW_F_INVC_SHIP_TO.DATE_KEY = VEW_F_INVC_PAY_EXT.DATE_KEY

AND VEW_F_INVC_SHIP_TO.ORDER_NUMBER = VEW_F_INVC_PAY_EXT.ORDER_NUMBER

AND VEW_F_INVC_SHIP_TO.INVOICE_NUMBER = VEW_F_INVC_PAY_EXT.INVOICE_NUMBER

AND VEW_F_INVC_SHIP_TO.SHIP_TO_NUMBER = VEW_F_INVC_PAY_EXT.SHIP_TO_NUMBER

INNER JOIN

JJWHSE.VEW_F_INVC_DTL VEW_F_INVC_DTL

ON

VEW_F_INVC_DTL.DATE_KEY = VEW_F_INVC_SHIP_TO.DATE_KEY

AND VEW_F_INVC_DTL.ORDER_NUMBER = VEW_F_INVC_SHIP_TO.ORDER_NUMBER

AND VEW_F_INVC_DTL.INVOICE_NUMBER = VEW_F_INVC_SHIP_TO.INVOICE_NUMBER

AND VEW_F_INVC_DTL.SHIP_TO_NUMBER = VEW_F_INVC_SHIP_TO.SHIP_TO_NUMBER

AND VEW_F_INVC_DTL.LINE_NUMBER = VEW_F_INVC_PAY_EXT.LINE_NUMBER

AND VEW_F_INVC_DTL.SEQUENCE_NUMBER = VEW_F_INVC_PAY_EXT.SEQUENCE_NUMBER

AND VEW_F_INVC_DTL.NON_INVENTORY = 'N'

AND VEW_F_INVC_DTL.GIFT_CARD = 'N'

INNER JOIN

JJWHSE.VEW_F_MZT_ORDER_HEADER VEW_F_MZT_ORDER_HEADER

ON

VEW_F_INVC_DTL.ORDER_NUMBER = VEW_F_MZT_ORDER_HEADER.ORDER_NUMBER

AND VEW_F_MZT_ORDER_HEADER.ACTIVE_FLAG = 1

INNER JOIN

JJWHSE.TEW_D_DT TEW_D_DT

ON

VEW_F_INVC_DTL.DATE_KEY = TEW_D_DT.DT_KEY

INNER JOIN

JJWHSE.TEW_D_LOC TEW_D_LOC

ON

VEW_F_MZT_ORDER_HEADER.LOCATION_KEY = TEW_D_LOC.LOC_KEY

WHERE VEW_F_INVC_SHIP_TO.CHANNEL = 'I'

GROUP BY TEW_D_DT.DT_KEY , VEW_F_MZT_ORDER_HEADER.LOCATION_KEY , TEW_D_LOC.LOC_DESC ,

TEW_D_LOC.RGN_DESC , TEW_D_LOC.DISTRICT_DESC

GO

CREATE UNIQUE CLUSTERED INDEX IX_VEW_F_MZT_ORDER_HEADE_DAY ON JJWHSE.VEW_F_MZT_ORDER_HEADER ( DATE_KEY )

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Indexed View Help Needed

Sep 12, 2006

I am trying to create an indexed view with the following code, however it fails with the following error :

An index cannot be created on the view 'TST_SCH' because the select list of the view contains a non-aggregate expression.

- When I remove the case statement it works fine, what can I do to make this work, this is just part of the calculation, I have many such case statements that I will need to use. The column is NON-NUllable in the database - I have verified all columnproperty values in the select statement they are all indexable, the view, when created appears non-indexable, I have been able to create the view WITH SCHEMABINDING, the error occurs when I try to create an index on Column1(CBSA_CODE). I am using SQL Server 2000 enterprise edition (SP4).

Please help.

Thanks,

select
DIM_IND_VEH_REG_CUST.CBSA_CODE as CBSA_CODE,
DIM_IND_VEH_REG_CUST.CBSA_NAME as CBSA_NAME,
DIM_DLR.DLR_NBR AS DLR_NBR,
DIM_DLR.PRIM_DLR_NAME as PRIM_DLR_NAME,
--DIM_IND_VEH_REG_CUST.SALES_DISTRICT_NBR AS Sales_District_Nbr,
DIM_IND_VEH_PROD.MKT_SHR_IND_PROD_GRP AS Mkt_Shr_Ind_Prod_Grp,
DIM_IND_VEH_PROD.IDC_VEH_MFGR_DESC AS Veh_Manufacturer_Desc

,(CASE WHEN
DIM_DATE.YR = 2006
and DIM_DATE.MTH_NBR = 8
THEN SUM(FACT_IND_VEH_RTL_TXN.UNIT_SOLD_CNT)
ELSE 0 END) AS CYCP_ALL_Unit_Cnt

,count_big(*) COUNT_BI



from dbo.DIM_IND_VEH_REG_CUST(NOLOCK), dbo.DIM_IND_VEH_PROD (NOLOCK), dbo.FACT_IND_VEH_RTL_TXN (NOLOCK), dbo.DIM_DATE (NOLOCK), dbo.DIM_DLR(NOLOCK)
where
DIM_DATE.YR = 2006--(select YEAR(InfoWhseTxnDate) from dbo.audObject a, dbo.audLoadTxnCurr b where a.ObjectID = b.ObjectID and a.ObjectName = 'FACT_IND_VEH_RTL_TXN')--@YEAR
OR
DIM_DATE.YR = 2005--(select YEAR(InfoWhseTxnDate) from dbo.audObject a, dbo.audLoadTxnCurr b where a.ObjectID = b.ObjectID and a.ObjectName = 'FACT_IND_VEH_RTL_TXN') --(@YEAR-1)

-- and DIM_DATE.MTH_NBR = (select month(InfoWhseTxnDate) from (select InfoWhseTxnDate from audObject a, audLoadTxnCurr b where a.ObjectID = b.ObjectID and a.ObjectName = 'FACT_IND_VEH_RTL_TXN') txn_month)
and DIM_IND_VEH_REG_CUST.CBSA_NAME <> ''
and DIM_DLR.PRIM_DLR_NAME <> ''
and DIM_IND_VEH_REG_CUST.CBSA_CODE not in ('0' ,'00000')
AND DIM_IND_VEH_REG_CUST.CBSA_CODE IS NOT NULL
AND IDC_VEH_MFGR_DESC = 'Kawasaki'
and DIM_DLR.DLR_KEY = FACT_IND_VEH_RTL_TXN.DLR_KEY
and DIM_IND_VEH_PROD.MKT_SHR_IND_PROD_GRP <> 'UTILITY VEHICLE'
and DIM_IND_VEH_PROD.IND_VEH_PROD_KEY = FACT_IND_VEH_RTL_TXN.IND_VEH_PROD_KEY
and DIM_IND_VEH_REG_CUST.IND_VEH_CUST_KEY = FACT_IND_VEH_RTL_TXN.IND_VEH_CUST_KEY
and DIM_DATE.DATE_KEY = FACT_IND_VEH_RTL_TXN.DATE_KEY

group by
DIM_IND_VEH_REG_CUST.CBSA_CODE, DIM_IND_VEH_REG_CUST.CBSA_NAME,
DIM_DLR.DLR_NBR,DIM_DATE.YR,DIM_DATE.MTH_NBR,
DIM_DLR.PRIM_DLR_NAME,
DIM_IND_VEH_PROD.MKT_SHR_IND_PROD_GRP, DIM_IND_VEH_PROD.IDC_VEH_MFGR_DESC

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Clustered Index On Indexed View From ADO.NET

Oct 26, 2005

I have a clustered index on an indexed view in sql server 2000. When I do a simple select in query anaylser from this view I can see from the execution plan in profiler that the clustered index was used to return the data, hence improving performance of the underlying select(this is why I am using the indexed view). However, if I run the query from an asp.net page using the sql provider I can see the call in profiler but the clustered index is not used, hence reducing the performance of the call considerably.If anyone has experienced this please let me know.Cheers 

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Indexed View In Microsoft SQL 2000

Nov 19, 2004

Just wonder how many of you are using or had used indexed view in SQL 2000? Please, share any details/info.

We are currently using in and having problems as we are getting Errors 644, 'Couldn't find index...' every time we try to update the underlying tables.

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INDEXED VIEW Performance Problem...

Mar 17, 2004

I have an Indexed View with followed syntax:

CREATE VIEW VW_Emplacamentos
WITH SCHEMABINDING
AS
SELECTA.CD_Linha -- This is the unique clustered field
A.DT_Emplacamento,
A.NR_CNPJ,
A.CD_Municipio,
A.VL_Potencia,
A.VL_CapacidadeCarga,
A.NR_QtdPax,
A.NR_AnoFabricacao,
A.NR_Chassi,
A.SG_UF,
A.CD_MarcaModelo,
A.CD_Procedencia,
A.CD_Combustivel,
B.NM_Municipio,
C.NM_Combustivel,
D.NM_MarcaModelo,
D.CD_Segmento,
D.CD_Fabricante,
E.NM_Segmento,
F.NM_SubSegmento,
G.NM_Fabricante

FROM dbo.TB_Emplacamentos AS A
INNER JOIN dbo.TB_Municipio AS B ON A.CD_Municipio = B.CD_Municipio
INNER JOIN dbo.TB_Combustivel AS C ON A.CD_Combustivel = C.CD_Combustivel
INNER JOIN dbo.TB_ModeloVeiculo AS D ON A.CD_MarcaModelo = D.CD_MarcaModelo
INNER JOIN dbo.TB_SegmentoVeiculo AS E ON D.CD_Segmento= E.CD_Segmento
INNER JOIN dbo.TB_SubSegmentoVeiculo AS F ON D.CD_SubSegmento = F.CD_SubSegmento
INNER JOIN dbo.TB_Fabricante AS G ON D.CD_Fabricante = G.CD_Fabricante


The following query is not getting perfomance. I don't what's going on.

SELECT COUNT(*)
FROM VW_Emplacamentos
WHERE DT_Emplacamento BETWEEN '20040301' AND '20040316'
AND NM_Fabricante = 'VW'

I've created an compost index on the following sequece
DT_Emplacamento,NM_Fabricante,NM_Segmento

But it still slow.

I really apreciate comments.

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Transact SQL :: How To Optimize A View That Can't Be Indexed

Jul 17, 2015

I have a view that takes 14 mins to return 3000 rows.  At some points in the execution plan, there are over 4 million rows.  The query for the View has a Distinct, a couple columns are populated by functions, there is a cross join, there is a join on a table with no keys or index, joins on non-key varchar columns and so forth.  It looks a bit like this:

SELECT DISTINCT
TOP 100 PERCENT N.Id, N.CountyName, N.OperationName,
N_LO.Name, N_LO.LastName,N_LO.Address1,
N_TO.Name, N_TO.LastName,
dbo.fn_Sections(N.Shape, s.Points) AS Sections

[code]...

The DISTINCT is in there to get rid of the extra Bob rows, because Bob has many sizes.  I need to keep the multiple sizes on Bob's row, but I don't want multiple rows of Bob.  Is there a more efficient way to do that other than using DISTINCT?

Second, word on the street is that functions are best avoided if you are going for speed.  I don't see a way to use "FOR XML PATH" outside the function, because I can't get it to work on just one column.  So I am looking for a way to produce the multiple values on one row.

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Indexed VIEW With Problematic JOINS

Apr 7, 2008

Hello guys,

I have an indexed view with schema binding and text catalog. So far, so good.
Now I have the need to know if the rows in this view have matching records in another table. Ouch.

The relation is 1 to n, where n can be 0 or more. For example:

Table1:
Product1, Description1
Product2, Description2
Product3, Description3

Table2
Product1, ProviderA
Product1, ProviderB
Product2, ProviderZ

The view ouput I need is:
Product1, Description1, HasProvider
Product2, Description2, HasProvider
Product3, Description3, NULL (or not, or whatever)

Any idea on how to do it? I tried different several ways, but I always end up with a dead end.

Thanks!

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COUNT_BIG() In Indexed View Definition.

Apr 1, 2008

Hi,

When I am trying to create an indexed view using group and COUNT(*), it gave me the following error:

€œMsg 10136, Level 16, State 1, Line 2
Cannot create index on view "AdventureWorks.Sales.vOrders" because it uses the aggregate COUNT. Use COUNT_BIG instead.€?

When I refered the SQL Books Online, I found the following statement: €œIf GROUP BY is present, the VIEW definition must contain COUNT_BIG(*) and must not contain HAVING€?.

Though my question is basic, I am curious to know the difference between COUNT() and COUNT_BIG(). The only difference I knew is COUNT_BIG() returns bigint. If this is the only difference, why can€™t we use COUNT() in indexed view definition and why COUNT_BIG() is allowed?


Regards,
-Aazad.

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Indexed View Not Used By The Query Optimizer

Aug 20, 2007

Hello All,
I have a series of Stored Procedure that has a query taking a join of 5 tables. These tables are quiet large with couple of them having around 10 million rows. As this is a DSS application having periodic data loads, I thought of creating Indexed View on top of these tables. Now the problem is that the Indexed View is not directly used by the optimizer. I need to change my queries and put a WITH (NOEXPAND) query hint to make sure the indexed views are used. This is inspite getting dramatic improvement in the query timings (from 64 secs down to 3 secs) after using the Indexed Views. I would like to know what can be the possible reason for the optimizer not using the Indexed View by itself. Is it because my Indexed View caters to multiple queries or I am missing out on something basic.

Thanks in Advance,
Mitesh Shah

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Performance Problems - Possible Because Of Indexed View

Jul 10, 2007

I recently added several indexed views to a high traffic table (high volume of both inserts and selects) because I needed to have some complicated unique constraints involving columns that allow NULL.

While I didn't notice performance problems at first, it appears to be that the CPU on the SQL Server is getting pegged when more than 10 or 15 simultaneous inserts are happening on the table. This is a quad proc 3Ghz Xeon, so the fact the CPU is hitting 90%+ while doing 15 inserts a second doesn't make sense to me.

Very quickly the sproc that is being repeatedly called by some middle tier components is taking 30+ seconds to execute, eventually causing timeouts. This sproc is very simple. It does a few quick select statements (that take well under 100ms), and then does an insert into the table in question. That's it.

The only thing I can think of is that the overhead of 3 separate indexed views on the table, each of which contains a significant subset of the total rows in the table (550,000+ rows), is causing SQL Server to get swamped trying to keep the indexes up to date.

Does this seem like a possibility? I'm planning on temporarily removing those indexed views to see how it performs without them, although this is dangerous because it creates the potential for invalid data.

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Indexed View State Issues

Apr 10, 2008

I have an Indexed View that joins a couple of tables.

The view data doesn't refresh after I insert a new row into one of the tables that the view uses.


I know that Indexed views cache the results, but I thought that views that depend on the tables would be automattically updated.

Any ideas?

Jon

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Creat Indexed View Error

May 1, 2008

I am tryung to create a indexed view..

CREATE VIEW vwLookAdmissionRecord

WITH SCHEMABINDING

AS

select episode_key as episode_key, ee.object_key, ee.encounter_begin_dt , cp.procedure from dbo.encounters e

join (

select episode_key as minepisode, min(isnull(e.object_key,e.Object_key_History) ) as object_key, min(e.encounter_begin_dt)as encounter_begin_dt

from dbo.encounters e

join dbo.CD_Procedure CP on CP.Procedure_CD = e.procedure_cd
where cp.procedure > 0

group by e.episode_key

)ee on e.object_key = ee.object_key

join dbo.cd_procedure cp on cp.procedure_cd = e.procedure_cd





CREATE UNIQUE CLUSTERED INDEX IDX_V1

ON vwLookAdmissionRecord (episode_key)


but i keep getting an error:


annot create index on view "dbo.vwLookAdmissionRecord" because it references derived table "ee" (defined by SELECT statement in FROM clause). Consider removing the reference to the derived table or not indexing the view.



How can I fix this?

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Replicate A View With Data?

May 4, 2007

Hello,
I am trying to add a View to an existing publication and it the subscribers (all devices with SQL CE) don't get the View after replication. I have deleted and recreated the publication, and only the tables will appear on the device, not the view.

Also, I want the data from the view to be dynamic, filtered by using the Host_Name() function/value. Will this work for a View?

thanks
- will

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Replicate View With More Than 255 Columns

Oct 24, 2007



Hi,


I'm setting up Transaction Replication b/w SQL Server 2K and SQL Server 2K5.
I have published Tables, Views and SPs as articles.
One of the views has more than 300 columns. So when i try to replicate it, I'm encountering the

following error Message.

"Error 20068: The article cannot be created on table because it has more than 255 columns."

When a view can be created with more than 255 cokumns, why the problem arises when we replicate

it?
Can any one help me on this?

Thanks,
SBR.

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SQL 2012 :: Indexed View - Fixing IDX From Varchar To INT?

Aug 20, 2014

I have an indexed view and i can't get why after "fixing" one of index it became slower then before.

Goal was to switch index to INT column instead of VARCHAR, so the theory looks perfect !!!(?).

I drop index and built new one with same name. Could it be because of Statistics? should I refresh it all ?

The only thing I changed is one of 3 idx:

-- CustTypeCode VARCHAR(10) /* 1,2,3,4,5 */
-- CustTypeID INT /* 1,2,3,4,5 */

-- index Before:
CREATE NONCLUSTERED INDEX [IdxLookTypeCode] ON [dbMacros].[vw_Lookup_Customer]
([CustTypeCode] ASC)

-- index After:
CREATE NONCLUSTERED INDEX [IdxLookTypeCode] ON [dbMacros].[vw_Lookup_Customer]
([CustTypeID] ASC)

-- usage before:
SELECT C1, C2, FROM vw_Lookup_Customer WITH (NOXPAND)
WHERE CustTypeCode = 2

-- usage after
SELECT C1, C2, FROM vw_Lookup_Customer WITH (NOXPAND)
WHERE CustTypeID = 2

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Alter View Fails To Replicate

Oct 18, 2007

prerequisites:
MSSQL 2005 64bit as publisher (transactional replication)
MSSQL 2000 32 bit as subscriber (pull, read-only)

All objects are set to replicate except foreign keys and defaults.
There is a linked server DW on both the publisher and the subscriber that both can access (sa and user logins mapped)
The snapshot generation and loading is fine.

but then I issue this statement at the publisher:

ALTER VIEW [dbo].[v_Test] as
select * from DW.DW_DB.dbo.v_Test

but it fails to replicate at the subscriber with the message:
Category:COMMANDSource: Failed CommandNumber: Message: ALTER VIEW [dbo].[v_Test] asselect * from DW.DW_DB.dbo.v_TestCategoryQLSERVERSource: SubscriberNumber: 7399Message: OLE DB provider 'SQLOLEDB' reported an error.

I tried the command on the Subcriber via Query Analyzer and it works.
What gives?

All suggestions are welcome!

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