SQL 2012 :: Can Add Index To Table Type

Jun 23, 2015

This is my table type definition ( below ) and as you see I declared a table whose name is in @t

/*
CREATE TYPE BP_Data_ACRC_427
as table
(
AIMS_VALUE_NUMERIC numeric(19,2),
bp_type VARCHAR(4),
Dt datetime,
ID int IDENTITY(1,1),
MBP numeric(19,2),
MPOG_PHYSIOLOGIC_CONCEPT_ID VARCHAR(10)
)
*/

Declare @t as BP_Data_ACRC_427

Question: can we add an index that combines AIMS_VALUE_NUMERIC and Dt

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SQL 2012 :: Script To List All Index In One Table

Mar 14, 2014

How to create a script to input one table name(already indexed) to get list of all index for that table?

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SQL 2012 :: PDF Not Found In FT-Index On File Table

Dec 15, 2014

I have a filetable and use a statement like

SELECT [name],file_stream
FROM dbo.Inkoopfacturen
WHERE FREETEXT(file_stream, 'Factuur');

It will return the text found in a .pptx but not in a pdf. There are no errors in the FT-log. It tells me that the FT-index is succesfully build.

I have downloaded the iFilter for Adobe (installed it in a folder with a short name), set the temp variable to the bin folder of the installation.

I've executed the following queries:

EXEC sp_fulltext_service 'update_languages';
EXEC sp_fulltext_service 'load_os_resources', 1;
EXEC sp_fulltext_service 'restart_all_fdhosts';
Exec sp_fulltext_service 'verify_signature', 0

When I run the following statement, it'll show pdf in the resultset.

SELECT * FROM sys.fulltext_document_types order by document_type

Still, content is not found.

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SQL 2012 :: Selectivity Value Of A Table To Create Index?

Feb 18, 2015

Why should we consider selectivity of a table to create index?

Which is best selectivity value to create an index ?

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SQL Server 2012 :: Unique Index On Table

Mar 20, 2015

I am trying to create a unique index on a table such that the combination of 2 columns is unique. How do I go about that?

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SQL 2012 :: How Many Rows Warrant Need For Index On A Table

Sep 30, 2015

What is the threshold that warrants the need for creating an index on a table. I have a system with a TABLE that has only 500 rows, very static, but accessed many many times. The cardinality from the statistics of Actual vs. Estimate rows is off by only 5 rows. I have all clustered index scans. What I need to be looking for as I tune this DB. I am going through every stored procedure to finely tune the DB I am supporting.

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SQL 2012 :: How To Know Whether A Particular Table Type Exists

Jun 11, 2015

So I declared this table data type , cool.. It works

CREATE TYPE BP_Data_XXX
as table
(
XXX_VALUE_NUMERIC numeric(19,2),
bp_type VARCHAR(4),
Dt datetime,
ID int IDENTITY(1,1),
MBP numeric(19,2),
CONCEPT_ID VARCHAR(10)
)

Now my question is later how do we check whether this type exists. The following does not work.

if( object_id('BP_Data_XXX') IS NOT NULL )
print 'IT is there '

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SQL 2012 :: 5 Columns In Table - Clustered Index Scan

Mar 28, 2014

I have a table with clustered index on that. I have only 5 columns in that table. Execution plan is showing that Index scan occurred. What are the cause of the Index scan how can we change that to index seek?

I am giving that kind of similar query below

SELECT @ProductID= ProductID FROM Product WITH (NOLOCK) WHERE SalesID= '@salesId' and Product = 'Clothes '

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SQL 2012 :: Create Clustered Index On A Very Large Table (500 GB)

May 7, 2014

I need to create a Clustered Index (CI) on a very large SQL Server 2012 database table. This table has about approximately 10 billion rows, 500 GB in size. The job ran for about 20 hours into it and then fails with error: "Out of disk space in tempdb". My tempDB size is 1.8TB, but yet it's still not enough.

Here is my script:

CREATE CLUSTERED INDEX CI_IndexName
ON TableName(Column1,Column2)
WITH (MAXDOP= 4, ONLINE=ON, SORT_IN_TEMPDB = ON, DATA_COMPRESSION=PAGE)
ON sh_WeekDT(Day_DT)
GO

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SQL 2012 :: User Impact To Drop A Noncluster Index On Table While In Use?

May 13, 2014

What is the impact on the users to drop an index on a table while in use? I will recreate the index afterwards. The table is used constantly by a three of processes/users at all times.

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SQL 2012 :: Rebuilding Online Clustered Index Locks Table

Jun 3, 2014

I was under impression that rebuilding index online largely means that the index will remain available for use during rebuild and my procs and query will be able to use it during rebuild. Also my understanding was that table will be locked very briefly while the schema change will be completing.But when I was rebuilding the clustered index online on a large table with some 3 million records, the table got locked and I was not able even to read the data from it for some 5 minutes. Then I cancelled the operation as it was production server and it was one of our main transaction table.

Is rebuilding index online supposed to work this way? The table has no other index.The parameteres I used are:

REBUILD WITH (PAD_INDEX = ON, SORT_IN_TEMPDB = ON, ONLINE = ON, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON, FILLFACTOR = 95)

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SQL Server 2012 :: Non-Clustered Column Store Index On Table

Jun 18, 2015

I have created NONCLUSTERED index on table but my report is taking more time that's why i created columnstore NONCLUSTERED index on the same table but i have one query, if any table have row and column level index(same columns in index) . Which index query will consider.

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SQL 2012 :: Minimal Logging Insert Statement On Non Clustered Index Table

Jul 9, 2014

I understand that minimal logging can occur on a non clustered indexed heap as long as [URL] ...

*not replicated

*tablock is used

*table is empty

The following test seems to contradict this

In the test I create a non indexed heap, insert some record and check the log, then repeat the test on an indexed heap.

The results suggest that even though the conditions for minimal logging into a indexed heap are met, minimal logging is not happening although it does happen on an non indexed heap. What am I doing wrong?

CREATE DATABASE logtest
GO
USE logtest
GO
CREATE TABLE test (field varchar(100))
GO
CHECKPOINT

[Code] ....

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SQL Server 2012 :: Querying Table With Several Date Type Columns

Oct 30, 2014

I have a table (we will cal DateTable) with several (20) columns, each being a date type. Another table's (Project) PK is referenced in the DateTable.

I am trying to write a query that will pull all dates for a specific project from the DateTable if they meet certain criteria(i.e. if the date is <= 7 days from now.

I started with a normal select statement selecting each column with a join to the project and then a where clause using

(DateTable.ColumnName BETWEEN GETDATE() AND DATEADD(day, 7, GETDATE()) OR (DateTable.ColumnName BETWEEN GETDATE() AND DATEADD(day, 7, GETDATE())) ...

The rest of the columns(all with OR between them).

The problem with this is that because I am using OR once one of the dates meets the criteria it selects all the dates that are associated with the project. I ONLY want the dates that meet the criteria and don't care about the rest.

Obviously because I have all the columns in the select statement... So I need something like

Select ALL Columns
from DateTable d
Join Project p
where p.ProjectID = d.ProjectID AND only dates BETWEEN GETDATE() AND DATEADD(day, 7, GETDATE()))

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SQL 2012 :: Full Text Index How To Make It NOT To Index Embedded Or Attached Documents

Sep 30, 2015

I am using Full Text Index to index emails stored in BLOB column in a table. Index process parses stored emails, and, if there is one or more files attached to the email these documents get indexed too. In result when I'm querying the full text index for a word or phrase I am getting reference to the email containing the word of phrase if interest if the word was used in the email body OR if it was used in any document attached to the email.

How to distinguish in a Full Text query that the result came from an embedded document rather than from "main" document? Or if that's not possible how to disable indexing of embedded documents?

My goal is either to give a user an option if he or she wants to search emails (email bodies only) OR emails AND documents attached to them, or at least clearly indicate in the returned result the real source where the word or phrase has been found.

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Index Creation Causes Error The Conversion Of A Char Data Type To A Datetime Data Type Resulted...

Jul 23, 2005

Hi all,I have a table called PTRANS with few columns (see create script below).I have created a view on top that this table VwTransaction (See below)I can now run this query without a problem:select * from dbo.VwTransactionwhereAssetNumber = '101001' andTransactionDate <= '7/1/2003'But when I create an index on the PTRANS table using the command below:CREATE INDEX IDX_PTRANS_CHL# ON PTRANS(CHL#)The same query that ran fine before, fails with the error:Server: Msg 242, Level 16, State 3, Line 1The conversion of a char data type to a datetime data type resulted inan out-of-range datetime value.I can run the same query by commeting out the AssetNumber clause and itworks fine. I can also run the query commenting out the TransactionDatecolumn and it works fine. But when I have both the conditions in theWHERE clause, it gives me this error. Dropping the index solves theproblem.Can anyone tell me why an index would cause a query to fail?Thanks a lot in advance,AmirCREATE TABLE [PTRANS] ([CHL#] [varchar] (100) COLLATE SQL_Latin1_General_CP1_CI_AS NULL ,[CHCENT] [numeric](2, 0) NOT NULL ,[CHYYMM] [numeric](4, 0) NOT NULL ,[CHDAY] [numeric](2, 0) NOT NULL ,[CHTC] [char] (2) COLLATE SQL_Latin1_General_CP1_CI_AS NOT NULL) ON [PRIMARY]GOCREATE VIEW dbo.vwTransactionsASSELECT CONVERT(datetime, dbo.udf_AddDashes(REPLICATE('0', 2 -LEN(CHCENT)) + CONVERT(varchar, CHCENT) + REPLICATE('0', 4 -LEN(CHYYMM))+ CONVERT(varchar, CHYYMM) + REPLICATE('0', 2 -LEN(CHDAY)) + CONVERT(varchar, CHDAY)), 20) AS TransactionDate,CHL# AS AssetNumber,CHTC AS TransactionCodeFROM dbo.PTRANSWHERE (CHCENT <> 0) AND (CHTC <> 'RA')*** Sent via Developersdex http://www.developersdex.com ***Don't just participate in USENET...get rewarded for it!

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SQL 2012 :: Clustered Index Key Order In NC Index

Mar 5, 2015

I have a clustered index that consists of 3 int columns in this order: DateKey, LocationKey, ItemKey (there are many other columns in this data warehouse table such as quantities, prices, etc.).

Now I want to add a non-clustered index on just one of the other columns, say LocationKey, like this:
CREATE INDEX IX_test on TableName (LocationKey)

I understand that the clustered index keys will also be added as key columns to any NC indexes. So, in this case the NC index will also get the other two columns from the clustered index added as key columns. But, in what order will they be added?

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

LocationKey, DateKey, ItemKey
OR
LocationKey, ItemKey, DateKey

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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The Index Entry For Row ID Was Not Found In Index ID 3, Of Table 357576312

Jul 9, 2004

Hi,

I'm running a merge replication on a sql2k machine to 6 sql2k subscribers.
Since a few day's only one of the merge agents fail's with the following error:

The merge process could not retrieve generation information at the 'Subscriber'.
The index entry for row ID was not found in index ID 3, of table 357576312, in database 'PBB006'.

All DBCC CHECKDB command's return 0 errors :confused:
I'm not sure if the table that's referred to in the message is on the distribution side or the subscribers side? A select * from sysobjects where id=357576312 gives different results on both sides . .

Any ideas as to what is causing this error?

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Advantages Of Using Nonclustered Index After Using Clustered Index On One Table

Jul 3, 2006

Hi everyone,
When we create a clustered index firstly, and then is it advantageous to create another index which is nonclustered ??
In my opinion, yes it is. Because, since we use clustered index first, our rows are sorted and so while using nonclustered index on this data file, finding adress of the record on this sorted data is really easier than finding adress of the record on unsorted data, is not it ??

Thanks

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How To Declare A Procedure Parameter Type To Match A Referenced Table Colum Type

Dec 14, 2007

I like to define my procedure parameter type to match a referenced table colum type,
similar to PL/SQL "table.column%type" notation.
That way, when the table column is changes, I would not have to change my stored proc.
Any suggestion?

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Index On User Defined Type Fields

Apr 4, 2008



Is there a syntax to create indexes on user-defined type's fields and methods? Can I index UDT-fields?


I tried but only get syntax error.




Code Snippet

-- put an index on the picture luminance

CREATE INDEX myIdx ON myTbl(picMetaData.Brightness) -- !! error

GO

Error message:





Code Snippet

Msg 102, Level 15, State 1, Line 1

Incorrect syntax near '.'.




According to books online (BOL), section User-defined types requirements says
In the SQL Server 2005 RTM version, CLR UDTs with user-defined serialization were allowed to have their fields indexed as part of non-persisted computed columns or views. In such situations, non-deterministic UDT serialization/deserialization could lead to index corruption, and therefore has been removed from SQL Server 2005 SP1. In SQL Server 2005 SP1, UDT fields must use native serialization or be persisted in order to be indexed. Any existing indexes on UDT fields should continue to function as before.

What are BOL trying to say about index on UDT fields?

Thanks for any hints!

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SQL 2012 :: Need To Reorg Index?

Mar 24, 2014

I have a table with primary key and also clustered index on that primary key column. I need almost all columns from that table. When I wrote the select column names, it showing that Index scan occurred. How can I avoid that Index scan and change to index seek? When I check the fragmentation of that Index it is showing more than 34%. Is that fragmentation is ok or do I need to reorg the Index?

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SQL 2012 :: CI And NC Index On Same Column?

May 5, 2014

I have a question regarding indexes.

If i have cluster and NC index on same column,does it degrade performance on DML statements ? any advantage on select statements.

Is it good to have both indexes on same column ?

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SQL 2012 :: Index Was Out Of Range

Oct 1, 2014

observed below error in sqlserver2012.index was out of range. Must be non-negative and less than the size of the collection.

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SQL 2012 :: How To Fragment Index

Mar 20, 2015

how to fragment an index so I can test it's fragmented performance on an iSCSI LUN.I can test without an index, that's fine. I can test with a newly created index (of course that means it's not fragmented) and that's fine.But what I want to do is DELIBERATELY FRAGMENT () an index to 90%+ fragmented to test it's performance.

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SQL 2012 :: Index Was Outside Bounds Of Array

Nov 12, 2013

I am experiencing of problem relating to the error message on the production SQLServer2012;

Index was outside the bounds of array. (Microsoft.SqlServer.Smo)

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SQL 2012 :: Clustered Index Delete

Mar 28, 2014

I want to know more details about the Clustered Index Delete. Is that Clustered Index Delete in the execution plan is good or bad or we can neglect that cost. Is there any way to avoid that clustered Index delete operator from the execution plan.

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SQL 2012 :: Columnstore Index - Add All Columns?

Mar 31, 2014

When creating a column store index, are there any reasons not to include all columns, besides index size of course? i.e. will the index be more versatile with more columns or should I treat it exactly like its a standard index, putting only necessary columns, in the correct order?

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SQL 2012 :: Cluster Index Fragmentation

Jun 2, 2014

We have few tables where we do truncate load or only do insert activities , why do the cluster index get fragmented very often to > 80%?

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SQL 2012 :: Index Outside Bounds Of Array

Jun 11, 2014

When I go to SQL 2012 through SSMS 2005, I get the message Index outside the bounds of array. Will it fix if I install SSMS 2012? Do I need to remove SSMS 2005?

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SQL 2012 :: Selecting A Clustered Index?

Jul 29, 2014

- What are your thoughts on adding clustered index on datetime (createdDate , native GUID) column. The data will be be physically organized in the clustered index allowing range operations to perform its duties. But will the GUID column make any impact ( drawbacks) should it be made part of the clustered key ?

The GUID column will provide the lookup with the required indexes to support.

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SQL 2012 :: Column Not Covered By Index?

Jan 15, 2015

We have a large table with many columns and many indexes. One poorly performing query is having to do a key lookup when the where clause includes a particular column with no covering index.

Are you generally better off adding a new index or adding the column to an existing index ( included columns )Column: LAST_STATE_RESPONSE_CODE

The Query Processor estimates that implementing the following index could improve the query cost by 88.9332%.

*/
/*
USE [ database name]
GO
CREATE NONCLUSTERED INDEX [<Name of Missing Index, sysname,>]
ON [dbo].[SERVICE_REQUEST] ([BUSINESS_PROCESS_STATUS],[[color=#F00]LAST_STATE_RESPONSE_CODE[size="3"][/size][/color]],[CONCRETE_TYPE])
INCLUDE ([LIENHOLDER_PERFORMING_LIEN_FILING_ID],[MAKE],[YEAR],[MANUFACTURER_ID],[CLIENT_ID])
GO

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SQL 2012 :: Index Creation On Predicates

Jan 16, 2015

I was reading this blog below about Indexed Views and needed some clarification.

When the author choose to create the unique clustered index he excluded the PER.BusinessEntityID columns and only included, (CustomerID, SalesOrderID, ProductID).

Why didn't the PER.BusinessEntityID get added?

[URL] ....

CREATE VIEW Sales.vSalesSummaryCustomerProduct
WITH SCHEMABINDING
AS
SELECT CUST.CustomerID ,
SOH.SalesOrderID ,
SOD.ProductID ,
SUM(SOD.OrderQty) AS TotalOrderQty ,

[Code] .....

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