Friday, February 18, 2011

How to Identify Memory Bottlenecks in Microsoft SQL Server

How to Identify Memory Bottlenecks in Microsoft SQL Server

Thursday, February 17, 2011

ESSENTIAL PERFORMANCE TOOLS FOR SQL SERVER DBA

http://www.idera.com/Downloads/WhitePapers/Essential-Performance-Tools-SQL-Server-DBA.pdf?elq=365bc336c7cf4d3aaa5ec818146aa0a9

Thursday, January 27, 2011

Find Clustered Indexes that are uniqueidentifier field

SELECT
OBJECT_NAME(i.ID) as tablename
,ISNULL(SYSCOLUMNS.NAME,'') as columnname
,i.name as indexname
, i.indid as isclustered
,systypes.name as columndatatype
--,*
FROM SYSINDEXES I
INNER JOIN SYSINDEXKEYS ON I.ID=SYSINDEXKEYS.ID AND I.INDID=SYSINDEXKEYS.INDID
INNER JOIN SYSCOLUMNS ON SYSINDEXKEYS.ID=SYSCOLUMNS.ID AND SYSINDEXKEYS.COLID=SYSCOLUMNS.COLID
inner join systypes on systypes.xtype = SYSCOLUMNS.xtype
inner join sysobjects on sysobjects.id = i.id
WHERE I.INDID =1
AND I.INDID < 255 AND (I.STATUS & 64)=0 and SYSCOLUMNS.xtype = 36 and i.id > 255
and sysobjects.xtype = 'U'
order by
OBJECT_NAME(i.ID)

Leaving a SQL Server DBA Job Gracefully

Leaving a SQL Server DBA Job Gracefully

Tuesday, January 25, 2011

drop indexes for all tables in DB

sp_msforeachtable
'

declare @name varchar(50) ,@errorsave int, @tab_name varchar(100) = ''?''


if exists (select name from sysindexes
where id = object_id(@tab_name) and indid > 0 and indid < 255 and (status & 64)=0) begin declare ind_cursor cursor for select name from sysindexes where id = object_id(@tab_name) and indid > 0 and indid < 255 and (status & 64)=0

open ind_cursor
fetch next from ind_cursor into @name
while (@@fetch_status = 0)
begin
print ''drop index '' + @tab_name + ''.'' + @name
print ''go''
fetch next from ind_cursor into @name
end
close ind_cursor
deallocate ind_cursor
end

'

Monday, January 24, 2011

sp_alert_jobs

USE [msdb]
GO
/****** Object: StoredProcedure [dbo].[sp_alert_jobs] Script Date: 01/24/2011 07:50:16 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO

create procedure [dbo].[sp_alert_jobs]
(
@maxrundurationhour int = 6
)
as
begin

--CAN NOT EXECUTE THIS PROC BY QUERY , ONLY RUNS FROM JOB

if(object_id('msdb..#tmp')>1)
drop table #tmp
if(object_id('msdb..__tmp_final')>1)
drop table __tmp_final


declare @maxrunduration int = 0
--set @maxrunduration = 60 * 60 * 6 -- 6 hours
set @maxrunduration = 60 * 60 * @maxrundurationhour

create table #tmp (job_id uniqueidentifier NOT NULL,last_run_date nvarchar (20) NOT NULL,last_run_time nvarchar (20) NOT NULL,next_run_date nvarchar (20) NOT NULL,next_run_time nvarchar (20) NOT NULL, next_run_schedule_id INT NOT NULL,requested_to_run INT NOT NULL,request_source INT NOT NULL,request_source_id sysname COLLATE database_default NULL, running INT NOT NULL,current_step INT NOT NULL,current_retry_attempt INT NOT NULL,job_state INT NOT NULL);

insert into #tmp EXECUTE master.dbo.xp_sqlagent_enum_jobs 1,'CSODProd\SQLClusterLD4SW2';
UPDATE #tmp SET last_run_time = right ('000000' + last_run_time, 6), next_run_time = right ('000000' + next_run_time, 6);

--select * From #tmp

SELECT @@servername as ServerName , j.name AS JobName, j.enabled AS Enabled,
Case x.running WHEN 1 THEN 'Running' Else Case h.run_status WHEN 2 THEN 'Inactive' WHEN 4 THEN 'Inactive' Else 'Completed' End End AS CurrentStatus,
coalesce (x.current_step, 0) AS CurrentStepNbr,
CASE WHEN x.last_run_date > 0 THEN convert (datetime, substring (x.last_run_date, 1, 4)+ '-' + substring (x.last_run_date, 5, 2)+ '-'+ substring (x.last_run_date, 7, 2)+ ' '+ substring (x.last_run_time, 1, 2) + ':' + substring (x.last_run_time, 3, 2)+ ':' + substring (x.last_run_time, 5, 2)+ '.000',121) Else NULL End AS LastRunTime,
Case h.run_status WHEN 0 THEN 'Fail'WHEN 1 THEN 'Success' WHEN 2 THEN 'Retry' WHEN 3 THEN 'Cancel' WHEN 4 THEN 'In progress' End AS LastRunOutcome,
CASE WHEN h.run_duration > 0 THEN (h.run_duration / 1000000) * (3600 * 24) + (h.run_duration / 10000 % 100) * 3600 + (h.run_duration / 100 % 100) * 60 + (h.run_duration % 100) Else NULL End AS LastRunDuration
into __tmp_final
FROM #tmp x
Left Join msdb.dbo.sysjobs j ON x.job_id = j.job_id
LEFT OUTER JOIN msdb.dbo.syscategories c ON j.category_id = c.category_id
LEFT OUTER JOIN msdb.dbo.sysjobhistory h ON x.job_id = h.job_id AND x.last_run_date = h.run_date AND x.last_run_time = h.run_time AND h.step_id = 0
where --j.name like 'csod%'
h.run_status != 1
or h.run_duration > @maxrunduration

--select * from __tmp_final
--select 'Job = '+jobname+' : Status = '+lastrunoutcome+ ' : Run Duration = '+ convert(nvarchar(10),lastrunduration)+' min' from __tmp_final
if(select COUNT(*) from __tmp_final) >0
begin
declare @subject nvarchar(1000), @recipientslist nvarchar(1000)
set @subject = 'SQL JOB ALERT for '+@@SERVERNAME+' : '+Convert(nvarchar(100),getdate(),101)
set @recipientslist = 'ayegudkin@csod.com;palexander@csod.com;Defcon4@csod.com'

exec msdb.dbo.sp_send_dbmail
@body_format = 'HTML',
@profile_name = 'default',
@Subject = @subject,
--@body = 'test',
@query = 'set nocount on; select ''Job = ''+jobname+'' : Status = ''+lastrunoutcome+ '' : Run Duration = ''+ convert(nvarchar(10),lastrunduration)+'' min
'' from __tmp_final;set nocount off; ',
--@attach_query_result_as_file = 0,
@query_result_header = 0,
--@query_result_width = 1000,
--@exclude_query_output = 1,
--@query_result_separator = ';',
@execute_query_database = 'msdb',
@recipients = @recipientslist
end
--EXEC sys.xp_logininfo @acctname = 'CSODMGMT\palexander', @option ='members'
--EXEC sys.xp_logininfo @acctname = 'CSODProd\SQLClusterLA4SW4'


end