How To Calcutale Database Transaction Count in SQL Server

dbtut March 19, 2019 MSSQL

Transaction count shows that how heavily the database is used. Some third-party applications can show the transaction count graphs of the databases. But each company may not buy these applications. This article will be useful if you would like to find out manually the transaction count in your system.

You can find the database transaction count since the start of SQL Server by using the following script.

--You should write your own database name instead of TestDB in the below script
select instance_name AS 'Database_Name', 
	   cntr_value AS 'Transaction Count' from  sys.dm_os_performance_counters
WHERE counter_name = 'Transactions/sec' AND 
instance_name = 'TestDB';

--You should write your own database name instead of TestDB in the below script

select instance_name AS 'Database_Name',

cntr_value AS 'Transaction Count' from sys.dm_os_performance_counters

WHERE counter_name = 'Transactions/sec' AND

instance_name = 'TestDB';

You can find all database’s transaction count in the instance since the start of SQL Server by using the following script.

DECLARE @DatabaseName VARCHAR(250)
create table #TempTable (DatabaseName varchar(250),TransactionCount bigint)
/*Give the Cursor a name*/
DECLARE cursordbnames CURSOR
FOR
/*This is the Select clause that returns the recordset to move the cursor.*/
SELECT name FROM sys.sysdatabases where dbid>4
OPEN cursordbnames
FETCH NEXT FROM cursordbnames INTO @DatabaseName
/*"WHILE @@ FETCH_STATUS = 0" means that you continue to move the cursor by going to the 
next record until there are no more records left in the cursor.*/
WHILE @@FETCH_STATUS =0
BEGIN    
Insert Into #TempTable(DatabaseName, TransactionCount)
select instance_name 'Database Name', cntr_value 'Total Transaction Count' 
from  sys.dm_os_performance_counters
WHERE counter_name = 'Transactions/sec' AND instance_name = @DatabaseName;

 FETCH NEXT FROM cursordbnames INTO @DatabaseName
END                

/*We close the Cursor using the "CLOSE" and "DEALLOCATE" commands.*/
CLOSE cursordbnames
DEALLOCATE cursordbnames

Select * From #TempTable order by TransactionCount Desc

DECLARE @DatabaseName VARCHAR(250)

create table #TempTable (DatabaseName varchar(250),TransactionCount bigint)

/*Give the Cursor a name*/

DECLARE cursordbnames CURSOR

FOR

/*This is the Select clause that returns the recordset to move the cursor.*/

SELECT name FROM sys.sysdatabases where dbid>4

OPEN cursordbnames

FETCH NEXT FROM cursordbnames INTO @DatabaseName

/*"WHILE @@ FETCH_STATUS = 0" means that you continue to move the cursor by going to the

next record until there are no more records left in the cursor.*/

WHILE @@FETCH_STATUS =0

BEGIN

Insert Into #TempTable(DatabaseName, TransactionCount)

select instance_name 'Database Name', cntr_value 'Total Transaction Count'

from sys.dm_os_performance_counters

WHERE counter_name = 'Transactions/sec' AND instance_name = @DatabaseName;

FETCH NEXT FROM cursordbnames INTO @DatabaseName

END

/*We close the Cursor using the "CLOSE" and "DEALLOCATE" commands.*/

CLOSE cursordbnames

DEALLOCATE cursordbnames

Select * From #TempTable order by TransactionCount Desc

You can also calculate the database transaction count in a specific time interval. With the following script, let’s calculate a database transaction count in a specific time interval. In Script, we set this time interval as 1 minute. You can extend this interval if you like.

DECLARE @Start BIGINT
DECLARE @Finish BIGINT
SELECT @Start = cntr_value
FROM sys.dm_os_performance_counters
WHERE counter_name = 'Transactions/sec'
AND instance_name = 'TestDB';

WAITFOR DELAY '00:01:00'

SELECT @Finish = cntr_value
FROM sys.dm_os_performance_counters
WHERE counter_name = 'Transactions/sec'
AND instance_name = 'TestDB';
SELECT (@Finish - @Start) 'Transaction_Count_in_a_1_Minute'
GO

DECLARE @Start BIGINT

DECLARE @Finish BIGINT

SELECT @Start = cntr_value

FROM sys.dm_os_performance_counters

WHERE counter_name = 'Transactions/sec'

AND instance_name = 'TestDB';

WAITFOR DELAY '00:01:00'

SELECT @Finish = cntr_value

FROM sys.dm_os_performance_counters

WHERE counter_name = 'Transactions/sec'

AND instance_name = 'TestDB';

SELECT (@Finish - @Start) 'Transaction_Count_in_a_1_Minute'

You can use the following script to calculate the transaction count in a specific time interval(Its 1 minute in our example) for all databases on Instance.

DECLARE cursordbnames CURSOR
FOR

SELECT name FROM sys.sysdatabases where dbid>4
OPEN cursordbnames
FETCH NEXT FROM cursordbnames INTO @DatabaseName
WHILE @@FETCH_STATUS =0
BEGIN    
Insert Into #TempTable(DatabaseName, TransactionCount)
select instance_name 'Database Name', cntr_value 'Total Transaction Count' 
from  sys.dm_os_performance_counters
WHERE counter_name = 'Transactions/sec' AND instance_name = @DatabaseName;

 FETCH NEXT FROM cursordbnames INTO @DatabaseName
END                

CLOSE cursordbnames
DEALLOCATE cursordbnames

WAITFOR DELAY '00:01:00'

create table #TempTable2 (DatabaseName varchar(250),TransactionCount bigint)

DECLARE cursordbnames CURSOR
FOR

SELECT name FROM sys.sysdatabases where dbid>4
OPEN cursordbnames
FETCH NEXT FROM cursordbnames INTO @DatabaseName
WHILE @@FETCH_STATUS =0
BEGIN    
Insert Into #TempTable2(DatabaseName, TransactionCount)
select instance_name 'Database Name', cntr_value 'Total Transaction Count' 
from  sys.dm_os_performance_counters
WHERE counter_name = 'Transactions/sec' AND instance_name = @DatabaseName;

 FETCH NEXT FROM cursordbnames INTO @DatabaseName
END                

CLOSE cursordbnames
DEALLOCATE cursordbnames

select tmp1.DatabaseName,tmp2.TransactionCount-tmp1.TransactionCount 'Transaction_Count_in_a_Minute' 
from #TempTable tmp1 INNER JOIN #TempTable2 tmp2 ON tmp1.DatabaseName=tmp2.DatabaseName
order by tmp2.TransactionCount-tmp1.TransactionCount desc

DROP TABLE #TempTable
DROP TABLE #TempTable2

DECLARE cursordbnames CURSOR

FOR

SELECT name FROM sys.sysdatabases where dbid>4

OPEN cursordbnames

FETCH NEXT FROM cursordbnames INTO @DatabaseName

WHILE @@FETCH_STATUS =0

BEGIN

Insert Into #TempTable(DatabaseName, TransactionCount)

select instance_name 'Database Name', cntr_value 'Total Transaction Count'

from sys.dm_os_performance_counters

WHERE counter_name = 'Transactions/sec' AND instance_name = @DatabaseName;

FETCH NEXT FROM cursordbnames INTO @DatabaseName

END

CLOSE cursordbnames

DEALLOCATE cursordbnames

WAITFOR DELAY '00:01:00'

create table #TempTable2 (DatabaseName varchar(250),TransactionCount bigint)

DECLARE cursordbnames CURSOR

FOR

SELECT name FROM sys.sysdatabases where dbid>4

OPEN cursordbnames

FETCH NEXT FROM cursordbnames INTO @DatabaseName

WHILE @@FETCH_STATUS =0

BEGIN

Insert Into #TempTable2(DatabaseName, TransactionCount)

select instance_name 'Database Name', cntr_value 'Total Transaction Count'

from sys.dm_os_performance_counters

WHERE counter_name = 'Transactions/sec' AND instance_name = @DatabaseName;

FETCH NEXT FROM cursordbnames INTO @DatabaseName

END

CLOSE cursordbnames

DEALLOCATE cursordbnames

select tmp1.DatabaseName,tmp2.TransactionCount-tmp1.TransactionCount 'Transaction_Count_in_a_Minute'

from #TempTable tmp1 INNER JOIN #TempTable2 tmp2 ON tmp1.DatabaseName=tmp2.DatabaseName

order by tmp2.TransactionCount-tmp1.TransactionCount desc

DROP TABLE #TempTable

DROP TABLE #TempTable2

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How To Calcutale Database Transaction Count in SQL Server

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