Audit SQL modifications and get notified in SQL Server

USE [DBA]
GO

/****** Object:  DdlTrigger [object_change_notification]    Script Date: 11/11/2019 8:24:11 AM ******/
SET ANSI_NULLS ON
GO

SET QUOTED_IDENTIFIER ON
GO

CREATE TRIGGER [object_change_notification]
ON DATABASE
FOR CREATE_TABLE,DROP_TABLE,ALTER_TABLE,CREATE_VIEW,DROP_VIEW,ALTER_VIEW,CREATE_PROCEDURE,DROP_PROCEDURE,ALTER_PROCEDURE
AS

   Declare @Hostname varchar(20) = HOST_NAME()
   DECLARE @sys_usr char(30) SET @sys_usr = SYSTEM_USER
   Declare @executiontime datetime =getdate()
   DECLARE @data XML = EVENTDATA()
   DECLARE @eventType nvarchar(100)= CONCAT ('EVENT: ',@data.value('(/EVENT_INSTANCE/EventType)[1]', 'nvarchar(100)'),+ CHAR(13))
   DECLARE @TsqlCommand nvarchar(2000)=CONCAT('COMMAND:   ',@data.value('(/EVENT_INSTANCE/TSQLCommand)[1]', 'nvarchar(2000)'))
   DECLARE @BodyMsg nvarchar(2100)=CONCAT(@eventType , @sys_usr, @Hostname ,@executiontime , @TsqlCommand)

   EXEC msdb.dbo.sp_send_dbmail  
   @profile_name = 'ajaymail',  
   @recipients = 'ajeyudu.eee@gmail.com',  
   @body =@BodyMsg,
   @subject = 'The following object(s) was/were changed';



GO

ENABLE TRIGGER [object_change_notification] ON DATABASE
GO

Transaction Filling Log Space in SQL Server

Today while working I encounter one of query's to find log space used  by a transaction

Transaction causing log space filled most in database

/***************************************************************************************************/
SELECT tst.[session_id],
s.[login_name] AS [Login Name],
DB_NAME (tdt.database_id) AS [Database],
tdt.[database_transaction_begin_time] AS [Begin Time],
tdt.[database_transaction_log_record_count] AS [Log Records],
tdt.[database_transaction_log_bytes_used] AS [Log Bytes Used],
tdt.[database_transaction_log_bytes_reserved] AS [Log Bytes Rsvd],
SUBSTRING(st.text, (r.statement_start_offset/2)+1,
((CASE r.statement_end_offset
WHEN -1 THEN DATALENGTH(st.text)
ELSE r.statement_end_offset
END - r.statement_start_offset)/2) + 1) AS statement_text,
st.[text] AS [Last T-SQL Text],
qp.[query_plan] AS [Last Plan]
FROM sys.dm_tran_database_transactions tdt
JOIN sys.dm_tran_session_transactions tst
ON tst.[transaction_id] = tdt.[transaction_id]
JOIN sys.[dm_exec_sessions] s
ON s.[session_id] = tst.[session_id]
JOIN sys.dm_exec_connections c
ON c.[session_id] = tst.[session_id]
LEFT OUTER JOIN sys.dm_exec_requests r
ON r.[session_id] = tst.[session_id]
CROSS APPLY sys.dm_exec_sql_text (c.[most_recent_sql_handle]) AS st
OUTER APPLY sys.dm_exec_query_plan (r.[plan_handle]) AS qp
where DB_NAME (tdt.database_id) = 'tempdb'ORDER BY [Log Bytes Used] DESC;

/***************************************************************************************************/

------> Please modify database name

TOP 5 CPU-CONSUMING STATEMENTS In SQL Server

  To quickly identifying which query is consuming more CPU can be found using below query.
/************************************/
SELECT TOP 5
qs.total_worker_time/(qs.execution_count*60000000) as [Avg CPU Time in mins],
qs.execution_count,
qs.min_worker_time/60000000 as [Min CPU Time in mins],
--qs.total_worker_time/qs.execution_count,
SUBSTRING(qt.text,qs.statement_start_offset/2,
(case when qs.statement_end_offset = -1
then len(convert(nvarchar(max), qt.text)) * 2
else qs.statement_end_offset end -qs.statement_start_offset)/2)
as query_text,
dbname=db_name(qt.dbid),
object_name(qt.objectid) as [Object name]
FROM
sys.dm_exec_query_stats qs cross apply
sys.dm_exec_sql_text(qs.sql_handle) as qt
ORDER BY
[Avg CPU Time in mins] DESC
/************************************/