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how to find name of a table which has maximum number of transactions for a large database


how to find name of a table which has maximum number of transactions for a large database

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safzalhussain
safzalhussain
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is there a way to find a table which has maximum no. of records among a table list of 100 tables. we need to find tables which has transactions, we want to avoid opening each tables separately to see data
anthony.green
anthony.green
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Transactions or records as they are two completely different things?



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safzalhussain
safzalhussain
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no.of records
anthony.green
anthony.green
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First off run this

select 'insert into #temp select count(*),'''+name+''' from '+object_schema_name(object_id)+'.'+name+';' from sys.objects where type = 'u'



Then copy the output from the above and paste it into the comment line below

create table #temp (records int, tablename sysname)
--PUT OUTPUT OF THE TOP LINE IN HERE
select * from #temp order by 1 desc





Want an answer fast? Try here
How to post data/code for the best help - Jeff Moden
When a question, really isn't a question - Jeff Smith
Need a string splitter, try this - Jeff Moden
How to post performance problems - Gail Shaw
CrossTabs-Part1 & Part2 - Jeff Moden
SQL Server Backup, Integrity Check, and Index and Statistics Maintenance - Ola Hallengren
Managing Transaction Logs - Gail Shaw
Troubleshooting SQL Server: A Guide for the Accidental DBA - Jonathan Kehayias and Ted Krueger


Lowell
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another way to get your row counts; the indexes have the rowcounts built into the sys view:

--for 2005/2008:
Select OBJECT_NAME(object_id) as TableName,SUM(rows) as NumRows,index_id
From sys.partitions p
Inner Join sys.sysobjects o
on p.object_id = o.id
Where index_id in (0,1)
And o.type = 'U'
Group By object_id,index_id
Order By NumRows Desc



Lowell

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help us help you! If you post a question, make sure you include a CREATE TABLE... statement and INSERT INTO... statement into that table to give the volunteers here representative data. with your description of the problem, we can provide a tested, verifiable solution to your question! asking the question the right way gets you a tested answer the fastest way possible!

anthony.green
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I was always told to not trust the sys view as it can differ from what was in the table, that was back in SQL 2000 days so unsure if they are now more or less in sync with each other.



Want an answer fast? Try here
How to post data/code for the best help - Jeff Moden
When a question, really isn't a question - Jeff Smith
Need a string splitter, try this - Jeff Moden
How to post performance problems - Gail Shaw
CrossTabs-Part1 & Part2 - Jeff Moden
SQL Server Backup, Integrity Check, and Index and Statistics Maintenance - Ola Hallengren
Managing Transaction Logs - Gail Shaw
Troubleshooting SQL Server: A Guide for the Accidental DBA - Jonathan Kehayias and Ted Krueger


Lowell
Lowell
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anthony.green (12/18/2012)
I was always told to not trust the sys view as it can differ from what was in the table, that was back in SQL 2000 days so unsure if they are now more or less in sync with each other.



the old rowcounts in sysindexes, yes, they were unreliable. you'd have to use DBCC UPDATEUSAGE before querying sysindexes to get accurate counts in SQL 2000, as i remember.

starting with 2005 and above however, the example i posted is always correct; since there is always an index for every row , whether a heap or a clustered index, you can get the counts accurately.

Lowell

--
help us help you! If you post a question, make sure you include a CREATE TABLE... statement and INSERT INTO... statement into that table to give the volunteers here representative data. with your description of the problem, we can provide a tested, verifiable solution to your question! asking the question the right way gets you a tested answer the fastest way possible!

safzalhussain
safzalhussain
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thanks for the reponse ..your suggested query worked for me.

Best regards
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