Auto Stats Not Working Sql 2005

Dec 29, 2007

The auto stats not working

I have both Auto Update Statistics and Auto Update Statistics Asynchronously set to True




USE [TEST]

GO

/****** Object: Table [dbo].[CUSTOMER] Script Date: 12/29/2007 10:42:49 ******/

SET ANSI_NULLS ON

GO

SET QUOTED_IDENTIFIER ON

GO

CREATE TABLE [dbo].[CUSTOMER](

[Customer_Id] [nchar](10) NOT NULL,

[Customer_Name] [nvarchar](1000) NULL,

[Customer_Address] [nvarchar](1000) NULL,

[Customer_Address1] [nchar](1000) NULL,

CONSTRAINT [PK_CUSTOMER] PRIMARY KEY CLUSTERED

(

[Customer_Id] ASC

)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON, FILLFACTOR = 90) ON [PRIMARY]

) ON [PRIMARY]




--Created an insert table
DECLARE @COUNT INT

SET @COUNT = 1

WHILE @COUNT <= 1000

begin

insert into CUSTOMER (CUSTOMER_ID, CUSTOMER_NAME)

VALUES (@COUNT, '12345678901234567890')

SET @COUNT = @COUNT + 1

END

Look at Tables then statistics the statistics are empty so i fire update statistics and see 1000 rows in here.

I run again the insert script
DECLARE @COUNT INT

SET @COUNT = 1001

WHILE @COUNT <= 2000

begin

insert into CUSTOMER (CUSTOMER_ID, CUSTOMER_NAME)

VALUES (@COUNT, '12345678901234567890')

SET @COUNT = @COUNT + 1

END


Look again at statistics it not firing.

If i do select * from CUSTOMER where CUSTOMER_ID = '2000' then go checks statictics it works.

I was under the impression that when you do insert or delete, update then the statistics are fired.

The sys.sysindexes rowmodctr shows the 1000 rows.

I checked the conditions that sql fires if the no of rows int able > 6 and < 500 then updates when 500 mods made.
Also if row > 500 auto update done when 500 = 20% are added

So both are met.

Anyone other any other suggestions about the auto stats ?

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Auto Stats Not Working Sql 2005

Dec 29, 2007

The auto stats not working

I have both Auto Update Statistics and Auto Update Statistics Asynchronously set to True

Created a little test table.
USE [TEST]

GO

/****** Object: Table [dbo].[CUSTOMER] Script Date: 12/29/2007 10:42:49 ******/

SET ANSI_NULLS ON

GO

SET QUOTED_IDENTIFIER ON

GO

CREATE TABLE [dbo].[CUSTOMER](

[Customer_Id] [nchar](10) NOT NULL,

[Customer_Name] [nvarchar](1000) NULL,

[Customer_Address] [nvarchar](1000) NULL,

[Customer_Address1] [nchar](1000) NULL,

CONSTRAINT [PK_CUSTOMER] PRIMARY KEY CLUSTERED

(

[Customer_Id] ASC

)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON, FILLFACTOR = 90) ON [PRIMARY]

) ON [PRIMARY]





--Created an insert table

DECLARE @COUNT INT

SET @COUNT = 1

WHILE @COUNT <= 1000

begin

insert into CUSTOMER (CUSTOMER_ID, CUSTOMER_NAME)

VALUES (@COUNT, '12345678901234567890')

SET @COUNT = @COUNT + 1

END



I then look at Tables then statistics the statistics are empty so i fire update statistics and see 1000 rows in here.



I run again the insert script

DECLARE @COUNT INT

SET @COUNT = 1001

WHILE @COUNT <= 2000

begin

insert into CUSTOMER (CUSTOMER_ID, CUSTOMER_NAME)

VALUES (@COUNT, '12345678901234567890')

SET @COUNT = @COUNT + 1

END



Look again at statistics it does not have 2000 rows in here.


If i do select * from CUSTOMER where CUSTOMER_ID = '2000' then go checks statictics it works.



I was under the impression that when you do insert or delete, update then the statistics are fired.



The sys.sysindexes rowmodctr shows the 1000 rows.



I checked the conditions that sql fires if the no of rows int able > 6 and < 500 then updates when 500 mods made.

Also if row > 500 auto update done when 500 = 20% are added



So both are met.



Anyone other any other suggestions about the auto stats ?

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Apr 10, 2008



Hi all,
I have an dtsx (SSIS) for "clone" manually Sql server database to another.

How I copy all stats from one database to another ? I have problem with "auto stats".

When I try DROP statitics for auto stats I get this error:

No se puede DROP el índice 'dbo.ACTIVIDAD_PROVEEDOR.PK_ACTIVIDAD_PROVEEDOR'. No es una colección de estadísticas.

Cannot DROP index 'dbo.ACTIVIDAD_PROVEEDOR.PK_ACTIVIDAD_PROVEEDOR'. Not statitics collection.


What can I do ??


-- Get Stats list
SELECT
'[' + SCHEMA_NAME(tbl.schema_id) + '].[' + tbl.name + ']' AS [Table_Name_With_Schema],
'[' + st.name + ']' AS [Name],
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+ '.' + st.name + '' AS [Estadistica]
FROM
sys.tables AS tbl
INNER JOIN sys.stats st ON st.object_id=tbl.object_id
ORDER BY
[Table_Name_With_Schema] ASC,[Name] ASC


Thanks in advance, any help will be appreciated, regards, greetings

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Apr 10, 2008

Hi all,
I have an dtsx (SSIS) for "clone" manually Sql server database to another.

How I copy all stats from one database to another ? I have problem with "auto stats".

When I try DROP statitics for auto stats I get this error:

No se puede DROP el índice 'dbo.ACTIVIDAD_PROVEEDOR.PK_ACTIVIDAD_PROVEEDOR'. No es una colección de estadísticas.

Cannot DROP index 'dbo.ACTIVIDAD_PROVEEDOR.PK_ACTIVIDAD_PROVEEDOR'. Not statitics collection.


What can I do ??


-- Get Stats list
SELECT
'[' + SCHEMA_NAME(tbl.schema_id) + '].[' + tbl.name + ']' AS [Table_Name_With_Schema],
'[' + st.name + ']' AS [Name],
'' + SCHEMA_NAME(tbl.schema_id) + '.' + tbl.name + ''
+ '.' + st.name + '' AS [Estadistica]
FROM
sys.tables AS tbl
INNER JOIN sys.stats st ON st.object_id=tbl.object_id
ORDER BY
[Table_Name_With_Schema] ASC,[Name] ASC


Thanks in advance, any help will be appreciated, regards, greetings

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This is the lock info for the blocking processes.

spid dbid ObjId IndId Type Resource Mode Status name
------ ------ ----------- ------ ---- ---------------- -------- ------ -------------------------
142 7 2 1 KEY (6f00035ef42b) S GRANT sysindexes
142 7 2 1 KEY (6f00035ef42b) S GRANT sysindexes
142 7 421576540 0 TAB Sch-S GRANT tJob
142 7 1141579105 0 TAB Sch-S GRANT tPatient_info
142 7 1141579105 0 TAB [UPD-STATS] Sch-M GRANT tPatient_info
142 7 1659921035 0 TAB [COMPILE] X GRANT iDBGetPatInfoRecord
142 7 1659921035 0 TAB Sch-S GRANT iDBGetPatInfoRecord


These are the processes that are being blocked:

spid
------
137
140


Below this is a snapshot of all the SQL processes on the server being blocked.
Save the report and send to the whole database group.

spid kpid blocked waittype waittime lastwaittype waitresource
------ ------ ------- -------- ----------- -------------------------------- -----------------------------
140 4292 142 0x0005 68609 LCK_M_X TAB: 7:1659921035 [[COMPILE]]
137 2576 140 0x0005 64671 LCK_M_X TAB: 7:1659921035 [[COMPILE]]

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