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AIM
Några sätt att upptäcka vad som finns i databasen om du är ny på
jobbet eller i projektet. Detta inkluderar frågor mot metadata, server
och db konfig, perfmon, profiler och blocking.
http://www.sqlinform.com/
alter database northwind set single_user with rollback immediate
You're new - what stuff do you need to know?
The Region
Servers
Databases
Is it safe?
... backups
space to grow
security
The neighbourhood
What's Good, What's bad, What is most important
Metadata - your local map
Primary Keys
Clustered Indexes
Columns and Datatypes
Indexes
Stored Procedures
Extended Stored Procedures
Functions
Triggers
Table Sizes - width & rows
Perfmon
SQL Trace
What Servers & What Databases (don't assume it's written
down)
OSQL -L
Sp_helpdb
Have you got backups(number 1 priority)
2 sets of tables
backup tables
SELECT
'this database backed up today :',
bs.database_name AS DatabaseName,
bs.backup_finish_date,
MAX(bms.physical_device_name) AS FullBackupName
FROM msdb.dbo.backupset bs
INNER JOIN msdb.dbo.backupmediafamily bms ON
bs.media_set_id = bms.media_set_id
INNER JOIN master.dbo.sysdatabases s ON
bs.database_name = s.name
WHERE
CONVERT(VARCHAR(20), bs.backup_finish_date, 112) =
CONVERT(VARCHAR(20), GETDATE(), 112)
GROUP BY bs.database_name , bs.backup_finish_date
sysmaintenance tables
see backuptests.txt
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>
REM testbackups.bat
REM
REM Program to check whether maintenance plan backups have
succeeded
REM
REM Stephen Morris
REM
REM All servers must be in the serverlist.txt file
REM
x:
CD x:\BackupTesting
DEL backupmonitor.txt
ECHO "Start" > backupmonitor.txt
DATE /T >> backupmonitor.txt
FOR /F %%a IN (x:\BackupTesting\serverlist.txt) DO (
ECHO Checking %%a >>backupmonitor.txt
osql -S%%a -n -E i"x:\BackupTesting\maintplanbackupchecker2.sql">>backupmonitor.tx
t)
osql -n -E -i"x:\BackupTesting\smtp_backupmail_call.sql"
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>
REM serverlist.txt
HURRICANE
LANCASTER
TYPHOON
LIGHTNING
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>
REM maintplanbackupchecker2.sql
declare @HaveBackupsFailed int
declare @result_string varchar(8000)
set @result_string = ''
-- Test that every database in sysdatabases has been backed up and
succeeded
-- Join the databases in Sysdatabases to the maintenance plan history
-- test the succeeded column
-- reverse the logic so that failures = 1
SELECT @HaveBackupsFailed = SUM(CASE WHEN
IsNull(mp.succeeded, 0) = 1 THEN 0 ELSE 1 END)
--select CASE WHEN IsNull(mp.succeeded, 0) = 1 THEN 0 ELSE 1 END
as bk , datediff(hh, mp.end_time, getdate()), *
FROM
master.dbo.sysdatabases db
LEFT OUTER JOIN
(
Select *
FROM msdb.dbo.sysdbmaintplan_history mp
WHERE
datediff(hh, mp.end_time, getdate()) <= 24 AND
mp.activity = 'Backup database' AND
mp.database_name not in ('pubs', 'northwind')
) as mp
ON
db.name = mp.database_name
WHERE db.name not in ('pubs', 'northwind', 'tempdb')
IF @HaveBackupsFailed > 0
BEGIN
SELECT @result_string = @result_string + db.name +', '
FROM
master.dbo.sysdatabases db
LEFT OUTER JOIN
(
Select *
FROM msdb.dbo.sysdbmaintplan_history mp
WHERE
datediff(hh, mp.end_time, getdate()) <= 24 AND
mp.activity = 'Backup database' AND
mp.database_name not in ('pubs', 'northwind')
) as mp
ON
db.name = mp.database_name
WHERE db.name not in ('pubs', 'northwind', 'tempdb') and
isnull(mp.succeeded, 0) = 0
Select @result_string = 'SQL Server Backup Monitor Databases '+@result_string+' - backup failed'
RaisError(@result_string, 17, 127) WITH LOG
END
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>
REM
"Start"
Fri 27/05/2005
Checking HURRICANE
Checking LANCASTER
Checking TYPHOON
Msg 50000, Level 17, State 127, Server ROCKET, Line 56
SQL Server Backup Monitor - Databases DYNAMIX, DYNAMIX2,
DYNAMIX2005, DYNBAK,
EMPLOYEE, Foodmart 2000, HR, INSIGHT, INSIGHTANALYSIS,
INSIGHTFUTURE,
INSIGHTLOGS, INSIGHTOLD, master, model, msdb, OLAPQueryLog,
OLAPRepository,
SNOWFLAKE, SUMMIT, TEMP, - backup failed
Checking LIGHTNING
files sizes and locations
sp_msforeachdb 'use ? exec sp_helpfile'
security logins & users - roles, permissions
sp_helprotect
Metadata queries
Primary keys
print 'no PK'
-- no PK
select
objectpropertyex(id, 'tablehasPrimaryKey') as HasPK
, name
from sysobjects
where type = 'U'
and objectpropertyex(id, 'tablehasPrimaryKey')= 0
Clustered indexes
print 'no clustered indexes'
-- no clustered indexes
select
objectpropertyex(id, 'tablehasclustindex')
, name
from sysobjects
where objectpropertyex(id, 'tablehasclustindex') = 0
and objectpropertyex(id, 'IsTable') = 1
Clustered PrimaryKeys on UniqueIdentifiers
select
t.table_name,
cc.constraint_name,
ObjectProperty(object_id(cc.constraint_name), 'CnstIsClustKey')
IsClustered,
cc.column_name,
co.column_default,
co.data_type,
co.character_octet_length
from information_schema.tables t
left outer join information_schema.table_constraints tc on
t.table_name = tc.table_name and
tc.constraint_type = 'PRIMARY KEY'
left outer join information_schema.constraint_column_usage cc on
t.table_name = cc.table_name and
tc.constraint_name = cc.constraint_name
left outer join information_schema.columns co on
cc.table_name = co.table_name and
cc.column_name = co.column_name
where co.data_type = 'uniqueidentifier'
order by t.table_name
Clustered Indexes on wide Composite Columns
-- show PKs and column data types - highlight missing PKs
select
left(t.table_name,30) as table_name ,
left(isNull(cc.constraint_name,'!!! No PK !!!'),30) as
Constraint_Name,
cc.column_name,
co.column_default,
co.data_type,
co.character_octet_length
from information_schema.tables t
left outer join information_schema.table_constraints tc on
t.table_name = tc.table_name and
tc.constraint_type = 'PRIMARY KEY'
left outer join information_schema.constraint_column_usage cc on
t.table_name = cc.table_name and
tc.constraint_name = cc.constraint_name
left outer join information_schema.columns co on
cc.table_name = co.table_name and
cc.column_name = co.column_name
--where cc.constraint_name is null
order by t.table_name
Tables
Text columns – beware access programmers!
select * from information_schema.columns where data_type = 'text'
also
select top 100 ' select max(datalength('+column_name+')) from '+
table_name from information_schema.columns
where
data_type = 'text'
order by table_name, ordinal_position
Number of Rows (via sysindexes)
select object_name(id) as tablename, rows from sysindexes where
indid = 1 order by 2 desc
Non matching column datatypes
SELECT
table_name,
column_name,
data_type +
CASE
WHEN data_type in ('numeric', 'decimal')
THEN
'('+convert(varchar(10),numeric_precision)+'.'+convert(varchar(10),n
umeric_precision_radix)+')'
WHEN data_type in ('char', 'nchar', 'varchar', 'nvarchar')
THEN '('+convert(varchar(10), character_maximum_length) + ')'
ELSE ''
END AS DataType
FROM information_schema.columns
WHERE column_name in
(
SELECT
column_name
FROM
(
SELECT
column_name,
data_type +
CASE
WHEN data_type in ('numeric', 'decimal')
THEN
'('+convert(varchar(10),numeric_precision)+'.'+convert(varchar(10),n
umeric_precision_radix)+')'
WHEN data_type in ('char', 'nchar', 'varchar', 'nvarchar')
THEN '('+convert(varchar(10),
character_maximum_length) + ')'
ELSE ''
END AS DataType,
count(*) AS colcount
FROM information_schema.columns
GROUP BY column_name,
data_type +
CASE
WHEN data_type in ('numeric', 'decimal')
THEN
'('+convert(varchar(10),numeric_precision)+'.'+convert(varchar(10),n
umeric_precision_radix)+')'
WHEN data_type in ('char', 'nchar', 'varchar', 'nvarchar')
THEN '('+convert(varchar(10),
character_maximum_length) + ')'
ELSE ''
END
) AS x
GROUP BY column_name
HAVING count(*) > 1
)
ORDER BY column_name ,
table_name
DBCC ShowContig
--USE ScaleDB
SET NOCOUNT ON
DECLARE @tablename VARCHAR (128)
DECLARE @execstr VARCHAR (255)
DECLARE @objectid INT
DECLARE @indexid INT
DECLARE @frag
DECIMAL
DECLARE @maxfrag DECIMAL
-- Decide on the maximum fragmentation to allow
SELECT @maxfrag = 30.0
-- Declare cursor
DECLARE tables CURSOR FOR
SELECT TABLE_NAME
FROM INFORMATION_SCHEMA.TABLES
WHERE TABLE_TYPE = 'BASE TABLE'
-- Create the table
IF Object_ID('tempdb..#fraglist') IS NOT NULL
DROP TABLE #fraglist
CREATE TABLE #fraglist (
ObjectName CHAR (255),
ObjectId INT,
IndexName CHAR (255),
IndexId INT,
Lvl INT,
CountPages INT,
CountRows INT,
MinRecSize INT,
MaxRecSize INT,
AvgRecSize INT,
ForRecCount INT,
Extents INT,
ExtentSwitches INT,
AvgFreeBytes INT,
AvgPageDensity INT,
ScanDensity DECIMAL,
BestCount INT,
ActualCount INT,
LogicalFrag DECIMAL,
ExtentFrag DECIMAL)
-- Open the cursor
OPEN tables
-- Loop through all the tables in the database
FETCH NEXT
FROM tables
INTO @tablename
WHILE @@FETCH_STATUS = 0
BEGIN
-- Do the showcontig of all indexes of the table
INSERT INTO #fraglist
EXEC ('DBCC SHOWCONTIG (''' + @tablename + ''')
WITH FAST, TABLERESULTS, ALL_INDEXES, NO_INFOMSGS')
FETCH NEXT
FROM tables
INTO @tablename
END
-- Close and deallocate the cursor
CLOSE tables
DEALLOCATE tables
Select * from #fraglist
where countpages > 100
order by convert(decimal(9,3), bestcount)/convert(decimal(9,3),
actualcount) asc
Triggers
SELECT
object_name(parent_obj),
object_name(id),
objectpropertyex(id, 'IsTrigger')
FROM sysobjects
WHERE objectpropertyex(id, 'IsTrigger') = 1
Views
SELECT
c.*
FROM information_schema.tables t
JOIN
information_schema.columns c
ON t.table_name = c.table_name
WHERE t.table_type = 'VIEW'
Functions
select * from information_schema.routines where routine_type =
'FUNCTION'
Indexes
-- to get indexes by table - a bit clunky but works OK
if object_id('tempdb..#t1') is not null drop table #t1
CREATE
table #t1
(
do integer default(0),
index_name varchar(100),
index_descrip varchar(200),
index_keys varchar(200),
table_name varchar(100)
)
exec sp_msforeachtable "insert #t1 (index_name, index_descrip,
index_keys) exec sp_helpindex '?'; update #t1 set table_name = '?',
do = 1 where do = 0"
update #t1 set table_name = replace(table_name , '[', '')
update #t1 set table_name = replace(table_name , ']', '')
update #t1 set table_name = replace(table_name , 'dbo.', '')
-- Fog & Spot tables relate to Quest s/w
delete #t1 where table_name like 'Fog%'
delete #t1 where table_name like 'Spot%'
select
left(table_name, 30) as table_name
,left(index_name,40) as index_name
,left(index_keys, 40) as index_keys
,left(index_descrip,50) as index_descrip
from #t1 order by table_name, index_keys
Default Constraints
-- try PUBS
select * from INFORMATION_SCHEMA.COLUMNS where
column_default is not null
User Defined Datatypes (show hands)
select * from INFORMATION_SCHEMA.DOMAIN_CONSTRAINTS
Unique Constraints
-- try adventureworks
select * from INFORMATION_SCHEMA.TABLE_CONSTRAINTS where
constraint_type = 'unique'
Extended Stored Procedures
Select * from sysobjects where objectpropertyex(id, 'IsExtendedProc')
=1
Stored Procedures
Startup Stored Procedures
Select * from sysobjects where objectpropertyex(id, 'ExecIsStartup') =
1
Searching Stored Procedures
Simplistic -- try northwind
select object_name(id) as ProcName, text from syscomments
where text like '%orders%' and objectproperty(id, 'IsProcedure') = 1
Or try searching for
select object_name(id), text from syscomments where text like
'%exec%' or text like ‘%sp_executesql%’
Or
select object_name(id), text from syscomments where text like
'%xp_cmdshell%' etc
Server configuration & Database configuration
/*
-- TSQL CODE TO LIST OUT SERVER SETTINGS
set nocount on
select @@servername
exec sp_configure
-------------------------- TSQL CODE TO LIST OUT DATABASE SETTINGS
set nocount on
set ansi_warnings off
drop table #p
create table #p(db varchar(100), propertyvalue sql_variant,
propertyname varchar(50))
insert #p select db_name() as db,
databasepropertyex(db_name(),'Collation'), 'Collation' as
property
insert #p select db_name() as db,
databasepropertyex(db_name(),'IsAnsiNullDefault'),
'IsAnsiNullDefault' as property
insert #p select db_name() as db,
databasepropertyex(db_name(),'IsAnsiNullsEnabled'),
'IsAnsiNullsEnabled' as property
insert #p select db_name() as db,
databasepropertyex(db_name(),'IsAnsiPaddingEnabled'),
'IsAnsiPaddingEnabled' as property
insert #p select db_name() as db,
databasepropertyex(db_name(),'IsAnsiWarningsEnabled'),
'IsAnsiWarningsEnabled' as property
insert #p select db_name() as db,
databasepropertyex(db_name(),'IsArithmeticAbortEnabled'),
'IsArithmeticAbortEnabled' as property
insert #p select db_name() as db,
databasepropertyex(db_name(),'IsAutoClose'), 'IsAutoClose'
as property
insert #p select db_name() as db,
databasepropertyex(db_name(),'IsAutoCreateStatistics'),
'IsAutoCreateStatistics' as property
insert #p select db_name() as db,
databasepropertyex(db_name(),'IsAutoShrink'),
'IsAutoShrink' as property
insert #p select db_name() as db,
databasepropertyex(db_name(),'IsAutoUpdateStatistics'),
'IsAutoUpdateStatistics' as property
insert #p select db_name() as db,
databasepropertyex(db_name(),'IsCloseCursorsOnCommitEnabled
'), 'IsCloseCursorsOnCommitEnabled' as property
insert #p select db_name() as db,
databasepropertyex(db_name(),'IsFulltextEnabled'),
'IsFulltextEnabled' as property
insert #p select db_name() as db,
databasepropertyex(db_name(),'IsInStandBy'), 'IsInStandBy'
as property
insert #p select db_name() as db,
databasepropertyex(db_name(),'IsLocalCursorsDefault'),
'IsLocalCursorsDefault' as property
insert #p select db_name() as db,
databasepropertyex(db_name(),'IsMergePublished'),
'IsMergePublished' as property
insert #p select db_name() as db,
databasepropertyex(db_name(),'IsNullConcat'),
'IsNullConcat' as property
insert #p select db_name() as db,
databasepropertyex(db_name(),'IsNumericRoundAbortEnabled'),
'IsNumericRoundAbortEnabled' as property
insert #p select db_name() as db,
databasepropertyex(db_name(),'IsQuotedIdentifiersEnabled'),
'IsQuotedIdentifiersEnabled' as property
insert #p select db_name() as db,
databasepropertyex(db_name(),'IsRecursiveTriggersEnabled'),
'IsRecursiveTriggersEnabled' as property
insert #p select db_name() as db,
databasepropertyex(db_name(),'IsSubscribed'),
'IsSubscribed' as property
insert #p select db_name() as db,
databasepropertyex(db_name(),'IsTornPageDetectionEnabled'),
'IsTornPageDetectionEnabled' as property
insert #p select db_name() as db,
databasepropertyex(db_name(),'Recovery'), 'Recovery' as
property
insert #p select db_name() as db,
databasepropertyex(db_name(),'SQLSortOrder'),
'SQLSortOrder' as property
insert #p select db_name() as db,
databasepropertyex(db_name(),'Status'), 'Status' as
property
insert #p select db_name() as db,
databasepropertyex(db_name(),'Updateability'),
'Updateability' as property
insert #p select db_name() as db,
databasepropertyex(db_name(),'UserAccess'), 'UserAccess' as
property
insert #p select db_name() as db,
databasepropertyex(db_name(),'Version'), 'Version' as
property
select @@servername
select left(db, 20) as db , propertyname,
convert(varchar(30), propertyvalue) as pvalue from #p
*/
Profiler
A very important tool
Try tracing for Scans & include Reads
Stored Procedure execution counts and durations
For debugging
To create replay scripts - for testing
As an input to the Index Tuning Wizard ?
To audit DDL events
A quick look at
Stored Procedure execution counts and durations
USE Operations
SET ANSI_PADDING OFF
GO
if exists (select * from dbo.sysobjects where id =
object_id(N'[dbo].[ProfilerJobInfo]') and OBJECTPROPERTY(id,
N'IsUserTable') = 1)
drop table [dbo].[ProfilerJobInfo]
GO
if not exists (select * from dbo.sysobjects where id =
object_id(N'[dbo].[ProfilerJobInfo]') and OBJECTPROPERTY(id,
N'IsUserTable') = 1)
BEGIN
CREATE TABLE [dbo].[ProfilerJobInfo] (
[ProfilerJobInfoID] [int] IDENTITY (1, 1) NOT NULL ,
[filestring] [nvarchar] (200) COLLATE Finnish_Swedish_CI_AS
NULL ,
[maxfilesize] [int] NULL ,
[runminutes] [int] NULL ,
[runstarttime] [datetime] NULL
)
END
GO
Use MSDB
-- Script generated on 10/6/2005 11:37 AM
-- By: b2bpoker\administrator
-- Server: 192.168.7.253
BEGIN TRANSACTION
DECLARE @JobID BINARY(16)
DECLARE @ReturnCode INT
SELECT @ReturnCode = 0
IF (SELECT COUNT(*) FROM msdb.dbo.syscategories WHERE name =
N'[Uncategorized (Local)]') < 1
EXECUTE msdb.dbo.sp_add_category @name = N'[Uncategorized
(Local)]'
-- Delete the job with the same name (if it exists)
SELECT @JobID = job_id
FROM msdb.dbo.sysjobs
WHERE (name = N'SQL Trace Analysis')
IF (@JobID IS NOT NULL)
BEGIN
-- Check if the job is a multi-server job
IF (EXISTS (SELECT *
FROM msdb.dbo.sysjobservers
WHERE (job_id = @JobID) AND (server_id <> 0)))
BEGIN
-- There is, so abort the script
RAISERROR (N'Unable to import job ''SQL Trace Analysis'' since
there is already a multi-server job with this name.', 16, 1)
GOTO QuitWithRollback
END
ELSE
-- Delete the [local] job
EXECUTE msdb.dbo.sp_delete_job @job_name = N'SQL Trace
Analysis'
SELECT @JobID = NULL
END
BEGIN
-- Add the job
EXECUTE @ReturnCode = msdb.dbo.sp_add_job @job_id = @JobID
OUTPUT , @job_name = N'SQL Trace Analysis', @owner_login_name
= N'sa', @description = N'No description available.', @category_name
= N'[Uncategorized (Local)]', @enabled = 1, @notify_level_email = 0,
@notify_level_page = 0, @notify_level_netsend = 0,
@notify_level_eventlog = 2, @delete_level= 0
IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback
-- Add the job steps
EXECUTE @ReturnCode = msdb.dbo.sp_add_jobstep @job_id =
@JobID, @step_id = 1, @step_name = N'Setup Trace File - wait for
completion', @command = N'declare @rc int
declare @TraceID int
declare @maxfilesize bigint
declare @datestr nvarchar(30)
declare @pathstr nvarchar(100)
declare @filestr nvarchar(130)
declare @now datetime
declare @stopat datetime
declare @runminutes integer
declare @waitstr varchar(20)
declare @waithh varchar(10)
declare @waitmi varchar(10)
-- EDIT here to set the location to save the file to
-- or to change the maximum size of the file
set @pathstr = N''c:\sql_traces\''
set @maxfilesize = 100
set @runminutes = 7
select @now = getdate()
select @stopat = dateadd(mi, @runminutes, @now)
select @datestr = convert(varchar(30), @now , 100)
select @datestr = replace(@datestr, '' '','' '')
select @datestr = replace(@datestr, '' '',''_'')
select @waithh = right( ''000'' + convert(varchar(5), @runminutes /
60), 3)
select @waitmi = right( ''00'' + convert(varchar(5), @runminutes %
60), 2)
select @waitstr = @waithh +'':''+@waitmi+'':000''
select @filestr = @pathstr + @datestr
-- so we can get the filename for the analysis step
Insert operations.dbo.ProfilerJobInfo
(
filestring,
maxfilesize,
runminutes,
runstarttime
)
VALUES
(
@filestr+''.trc'',
@maxfilesize,
@runminutes,
getdate()
)
exec @rc = sp_trace_create @TraceID output, 2, @filestr,
@maxfilesize, @stopat
if (@rc != 0) goto error
-- Set the events
declare @on bit
set @on = 1
exec sp_trace_setevent
exec sp_trace_setevent
exec sp_trace_setevent
exec sp_trace_setevent
exec sp_trace_setevent
exec sp_trace_setevent
@TraceID,
@TraceID,
@TraceID,
@TraceID,
@TraceID,
@TraceID,
17,
17,
17,
17,
17,
17,
1, @on
3, @on
12, @on
13, @on
14, @on
22, @on
exec
exec
exec
exec
exec
exec
@TraceID,
@TraceID,
@TraceID,
@TraceID,
@TraceID,
@TraceID,
43,
43,
43,
43,
43,
43,
1, @on
3, @on
12, @on
13, @on
14, @on
22, @on
sp_trace_setevent
sp_trace_setevent
sp_trace_setevent
sp_trace_setevent
sp_trace_setevent
sp_trace_setevent
-- Set the Filters
declare @intfilter int
declare @bigintfilter bigint
exec sp_trace_setfilter @TraceID, 10, 0, 7, N''SQL Profiler''
-- start trace
exec sp_trace_setstatus @TraceID, 1
-- display trace id for future references
select TraceID=@TraceID
WAITFOR DELAY @waitstr
-- wait until finished
goto theend
error:
RaisError(@rc, 16,1)
theend:
', @database_name = N'master', @server = N'',
@database_user_name = N'', @subsystem = N'TSQL',
@cmdexec_success_code = 0, @flags = 0, @retry_attempts = 0,
@retry_interval = 1, @output_file_name = N'', @on_success_step_id
= 0, @on_success_action = 3, @on_fail_step_id = 0, @on_fail_action
=2
IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback
EXECUTE @ReturnCode = msdb.dbo.sp_add_jobstep @job_id =
@JobID, @step_id = 2, @step_name = N'Analyse the file', @command
= N'SET NOCOUNT ON
declare @filestr nvarchar(130)
,@startdate datetime
,@traceduration int
Select
TOP 1
@filestr = filestring ,
@startdate = runstarttime,
@traceduration = runminutes
FROM operations.dbo.ProfilerJobInfo
Order By ProfilerJobInfoID Desc
IF Object_ID(''tempdb..#obj'') Is Not NULL
BEGIN
DROP TABLE #obj
END
CREATE TABLE #obj
(
objid integer,
objname varchar(150),
CONSTRAINT [PK_Obj_ObjID] PRIMARY KEY CLUSTERED
(
[ObjId]
)
)
IF Object_ID(''tempdb..#sql_trace'') Is Not NULL
BEGIN
DROP TABLE #sql_trace
END
CREATE TABLE #sql_trace
(
[RowNumber] [int] IDENTITY (1, 1) NOT NULL ,
[EventClass] [int] NULL ,
-[sqltxt] [varchar] (2000) NULL ,
[SPID] [int] NULL ,
[Duration] [bigint] NULL ,
[StartTime] [datetime] NULL ,
[ObjectID] [int] NULL,
CONSTRAINT [PK_SQL_Trace] PRIMARY KEY CLUSTERED
(
)
[RowNumber]
)
INSERT #obj
(
objid,
objname
)
SELECT
[ID],
[Name]
-- Check the database name
FROM northwind.dbo.sysobjects WHERE Type = ''P''
INSERT #sql_trace
(
EventClass,
-sqltxt,
SPID,
Duration,
StartTime,
ObjectID
)
SELECT
EventClass,
-convert(varchar(2000), textdata),
SPID,
Duration,
StartTime,
ObjectID
FROM ::fn_trace_gettable(@filestr, default)
Create Index IX_SQLTrace_ObjID ON #sql_trace(ObjectID)
SELECT
rtrim(@filestr) as filestring ,
@startdate as runstarttime,
@traceduration as runminutes
select ''stored procs ordered by total duration''
select
left(o.objname, 35) as procs,
sum(duration) totduration_ms,
convert(money,
convert(decimal(15,2),sum(duration))/convert(decimal(15,2),count(du
ration))) as avgduration,
count(duration) as count_execs
from #sql_trace s
join #obj o on s.objectid = o.objid
group by o.objname
order by 2 desc
select ''stored procs ordered by average duration''
select
left(o.objname, 35) as procs,
sum(duration) totduration_ms,
convert(money,
convert(decimal(15,2),sum(duration))/convert(decimal(15,2),count(du
ration))) as avgduration,
count(duration) as count_execs
from #sql_trace s
join #obj o on s.objectid = o.objid
group by o.objname
order by 3 desc
select ''stored procs ordered by count of executions''
select
left(o.objname, 35) as procs,
sum(duration) totduration_ms,
convert(money,
convert(decimal(15,2),sum(duration))/convert(decimal(15,2),count(du
ration))) as avgduration,
count(duration) as count_execs
from #sql_trace s
join #obj o on s.objectid = o.objid
group by o.objname
order by 4 desc
', @database_name = N'master', @server = N'',
@database_user_name = N'', @subsystem = N'TSQL',
@cmdexec_success_code = 0, @flags = 2, @retry_attempts = 0,
@retry_interval = 1, @output_file_name =
N'C:\perflogs\trace_analysis.out', @on_success_step_id = 0,
@on_success_action = 1, @on_fail_step_id = 0, @on_fail_action = 2
IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback
EXECUTE @ReturnCode = msdb.dbo.sp_update_job @job_id =
@JobID, @start_step_id = 1
IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback
-- Add the Target Servers
EXECUTE @ReturnCode = msdb.dbo.sp_add_jobserver @job_id =
@JobID, @server_name = N'(local)'
IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback
END
COMMIT TRANSACTION
GOTO EndSave
QuitWithRollback:
IF (@@TRANCOUNT > 0) ROLLBACK TRANSACTION
EndSave:
Blocking
Why reinvent the wheel
Sherlock.exe
www.sqlteam.com
& sp_blocker_pss80
http://support.microsoft.com/default.aspx?scid=kb;en-us;271509
Deadlocks
Use DBCC TRACEON (1204, 3605, -1)
Writes the information to the error log
General hints
Short transactions
Server side not client side
Access objects consistently in the same order
Use an updlock hint