SQL SERVER DBA, Linux and Azure: October 2021

Database Growth status report for All DB(s) via Email in SQL Server

 DECLARE @command VARCHAR(5000),@cmd Varchar (1000),@profile_name Varchar(1000)  

DECLARE @xml NVARCHAR(MAX)  

DECLARE @body NVARCHAR(MAX)  


Declare  @dbsize  Table

(Dbname sysname,dbstatus varchar(50),Recovery_Model varchar(40) default ('NA'), file_Size_MB decimal(30,2)default (0),Space_Used_MB decimal(30,2)default (0),Free_Space_MB decimal(30,2) default (0)) 


insert into @dbsize(Dbname,dbstatus,Recovery_Model,file_Size_MB,Space_Used_MB,Free_Space_MB) 

exec sp_msforeachdb 

'use [?]; 

  select DB_NAME() AS DbName, 

  CONVERT(varchar(20),DatabasePropertyEx(''?'',''Status'')) ,  

  CONVERT(varchar(20),DatabasePropertyEx(''?'',''Recovery'')),  

  sum(size)/128.0 AS File_Size_MB, 

  sum(CAST(FILEPROPERTY(name, ''SpaceUsed'') AS INT))/128.0 as Space_Used_MB, 

  SUM( size)/128.0 - sum(CAST(FILEPROPERTY(name,''SpaceUsed'') AS INT))/128.0 AS Free_Space_MB  

  from sys.database_files  where type=0 group by type' 

  -------------------log size-------------------------------------- 


--  if exists (select * from tempdb.sys.all_objects where name like '#logsize%') 


--drop table #logsize 


Declare  @logsize  Table

 (Dbname sysname, Log_File_Size_MB decimal(38,2)default (0),log_Space_Used_MB decimal(30,2)default (0),log_Free_Space_MB decimal(30,2)default (0)) 

 

insert into @logsize(Dbname,Log_File_Size_MB,log_Space_Used_MB,log_Free_Space_MB) 

exec sp_msforeachdb 

'use [?]; 

  select DB_NAME() AS DbName, 

  sum(size)/128.0 AS Log_File_Size_MB, 

  sum(CAST(FILEPROPERTY(name, ''SpaceUsed'') AS INT))/128.0 as log_Space_Used_MB, 

  SUM( size)/128.0 - sum(CAST(FILEPROPERTY(name,''SpaceUsed'') AS INT))/128.0 AS log_Free_Space_MB  

  from sys.database_files  where type=1 group by type' 

  --------------------------------database free size 


  --if exists (select * from tempdb.sys.all_objects where name like '%#dbfreesize%') 

  --drop table #dbfreesize 


Declare  @dbfreesize Table

(name sysname,database_size varchar(50),Freespace varchar(50)default (0.00))   

insert into @dbfreesize(name,database_size,Freespace) 


exec sp_msforeachdb 

'use [?];SELECT database_name = db_name() 

    ,database_size = ltrim(str((convert(DECIMAL(15, 2), dbsize) + convert(DECIMAL(15, 2), logsize)) * 8192 / 1048576, 15, 2) + ''MB'') 

    ,''unallocated space'' = ltrim(str(( 

                CASE  

                    WHEN dbsize >= reservedpages 

                        THEN (convert(DECIMAL(15, 2), dbsize) - convert(DECIMAL(15, 2), reservedpages)) * 8192 / 1048576 

                    ELSE 0 

                    END 

), 15, 2) + '' MB'') 

FROM ( 

    SELECT dbsize = sum(convert(BIGINT, CASE  

                    WHEN type = 0 

                        THEN size 

                    ELSE 0 

                    END)) 

        ,logsize = sum(convert(BIGINT, CASE  

                    WHEN type <> 0 

                        THEN size 

                    ELSE 0 

                    END)) 

    FROM sys.database_files 

) AS files 

,( 

    SELECT reservedpages = sum(a.total_pages) 

        ,usedpages = sum(a.used_pages) 

        ,pages = sum(CASE  

                WHEN it.internal_type IN (202,204,211,212,213,214,215,216 

      ) 

THEN 0 


                WHEN a.type <> 1 


                    THEN a.used_pages 


                WHEN p.index_id < 2 


                    THEN a.data_pages 


                ELSE 0 


                END) 


    FROM sys.partitions p 


    INNER JOIN sys.allocation_units a 


        ON p.partition_id = a.container_id 


    LEFT JOIN sys.internal_tables it 


        ON p.object_id = it.object_id 


) AS partitions' 


----------------------------------- 

--if exists (select * from tempdb.sys.all_objects where name like '%#alldbstate%') 

--drop table #alldbstate  


Declare @alldbstate  Table

(dbname sysname,DBstatus varchar(55),R_model Varchar(30)) 

--select * from sys.master_files 

insert into @alldbstate (dbname,DBstatus,R_model) 

select name,CONVERT(varchar(20),DATABASEPROPERTYEX(name,'status')),recovery_model_desc from sys.databases 

--select * from #dbsize 


insert into @dbsize(Dbname,dbstatus,Recovery_Model) 

select dbname,dbstatus,R_model from @alldbstate where DBstatus <> 'online' 

insert into @logsize(Dbname) 

select dbname from @alldbstate where DBstatus <> 'online' 

insert into @dbfreesize(name) 

select dbname from @alldbstate where DBstatus <> 'online' 


Declare @DB_space_Details Table

    (

[Dbname] [sysname] NOT NULL,

[dbstatus] [varchar](50) NULL,

[Recovery_Model] [varchar](40) NULL,

[DBsize] [decimal](38, 2) NULL,

[file_Size_MB] [decimal](30, 2) NULL,

[Space_Used_MB] [decimal](30, 2) NULL,

[Free_Space_MB] [decimal](30, 2) NULL,

[Log_File_Size_MB] [decimal](38, 2) NULL,

[log_Space_Used_MB] [decimal](30, 2) NULL,

[log_Free_Space_MB] [decimal](30, 2) NULL,

[DB_Freespace] [varchar](50) NULL,

[Capture_Date] [datetime] NOT NULL

Insert into @DB_space_Details 

select  

d.Dbname,d.dbstatus,d.Recovery_Model, 

(file_size_mb + log_file_size_mb) as DBsize, 

d.file_Size_MB,d.Space_Used_MB,d.Free_Space_MB, 

l.Log_File_Size_MB,log_Space_Used_MB,l.log_Free_Space_MB,fs.Freespace as DB_Freespace,getdate() 'Current_Date'  

from @dbsize d join @logsize l  

on d.Dbname=l.Dbname join @dbfreesize fs  

on d.Dbname=fs.name 

order by Dbname


--Select * from @DB_space_Details 

--Select * from DB_space_Details


SET @xml = CAST(( SELECT DB.DBname As 'td',' ',DB.dbstatus AS 'td' ,' ',DB.Recovery_Model as 'td' ,' ',DB.DBsize 'td',' ',DB.File_Size_MB as 'td',  

' ',DB.Space_Used_MB As 'td' ,' ',DB.Free_Space_MB as 'td',' ',  DB.Log_File_Size_MB As 'td', ' ', DB.Log_Space_Used_MB As 'td', ' ',

 DB.log_free_Space_MB As 'td',' ', DB.DB_Freespace As 'td' ,' ', convert(varchar(20), DB.Capture_Date,120) as 'td'  from @DB_space_Details  DB

FOR XML PATH('tr'), ELEMENTS ) AS NVARCHAR(MAX))  


SET @body ='<html><body><H5>Database Growth status </H5>  

<table border = 1>   

<th> Database Name </th><th> Ddbstatus </th> <th> Recovery_Model </th> <th> DBsize </th> <th> File_Size_MB </th> <th> Space_Used_MB </th>  

<th> Free_Space_MB </th><th> Log_File_Size_MB </th> 

<th> Log_Space_Used_MB </th> <th> log_free_Space_MB </th> <td bgcolor=#F0E68C><b>DB_Freespace<b> </td> <th>Capture_Date</th></tr>'      


SET @body = @body + @xml +'</table></body></html>'  

Set @cmd= @@SERVERNAME + ': Database Space '  

SELECT Top 1 @profile_name=name  FROM msdb.dbo.sysmail_profile  


EXEC msdb.dbo.sp_send_dbmail  

@profile_name = @profile_name, -- replace with your SQL Database Mail Profile   

@body = @body,  

@body_format ='HTML',  

@recipients =  'ajeyudub@sqldbanow.com', -- replace with your email address  

@subject = @cmd

DB_Growth status Report Alert

Hi Team,

Please find below mentioned script to get an alert DB_Growth status Report via email.

Once executed the following script and then run exec [DB_Growth] proc to get an alert


 USE [master]

GO


/****** Object:  StoredProcedure [dbo].[DB_Growth]    Script Date: 10/28/2021 5:26:50 AM ******/

SET ANSI_NULLS ON

GO


SET QUOTED_IDENTIFIER ON

GO


CREATE Proc [dbo].[DB_Growth]  

  

As  

  

Begin  

  

DECLARE @command VARCHAR(5000),@cmd Varchar (1000),@profile_name Varchar(1000)  

  

DECLARE @xml NVARCHAR(MAX)  

  

DECLARE @body NVARCHAR(MAX)  

  

  

  

DECLARE @DBSpaceInfo TABLE     

  

( ServerName VARCHAR(100),     

  

  DatabaseName VARCHAR(100),   

  

  PhysicalFileName NVARCHAR(520),     

  

  FileSizeMB DECIMAL(10,2),     

  

  SpaceUsedMB DECIMAL(10,2),    

  

  FreeSpaceMB DECIMAL(10,2),   

  

  FreeSpacePct varchar(8),  

  

  Capture_Date Datetime   

  

)   

  

  

  

 SELECT @command = 'Use [' + '?' + '] SELECT     

  

 @@servername as ServerName,     

  

 ' + '''' + '?' + '''' + ' AS DatabaseName   , name   

  

, convert(decimal(12,2),round(a.size/128.000,2)) as FileSizeMB   

  

, convert(decimal(12,2),round(fileproperty(a.name,'+''''+'SpaceUsed'+''''+')/128.000,2)) as SpaceUsedMB   

  

, convert(decimal(12,2),round((a.size-fileproperty(a.name,'+''''+'SpaceUsed'+''''+'))/128.000,2)) as FreeSpaceMB,   

  

CAST(100 * (CAST (((a.size/128.0 -CAST(FILEPROPERTY(a.name,' + '''' + 'SpaceUsed' + '''' + ' ) AS int)/128.0)/(a.size/128.0)) AS decimal(4,2))) AS varchar(8)) + ' + '''' + '%' + '''' + ' AS FreeSpacePct,  

  

Getdate() As Capture_Date  

  

from sys.database_files a'   

  

  

  

INSERT INTO @DBSpaceInfo   

  

EXEC sp_MSForEachDB @command     

  

  

  

  

  

SET @xml = CAST(( SELECT DB.ServerName As 'td',' ',DB.DatabaseName AS 'td' ,' ',DB.PhysicalFileName as 'td' ,' ',DB.FileSizeMB as 'td',' ',Db.SpaceUsedMB as 'td',  

  

' ',DB.FreeSpaceMB as 'td' ,' ',DB.FreeSpacePct as 'td',' ', convert(varchar(20), DB.Capture_Date,120) as 'td'  from @DBSpaceInfo  DB  

  

 FOR XML PATH('tr'), ELEMENTS ) AS NVARCHAR(MAX))  

  

  

  

  

  

SET @body ='<html><body><H3>Database Growth status </H3>  

  

<table border = 1>   

  

<th> Server Name </th><th> Database Name </th> <th> PhysicalFileName </th> <th> FileSizeMB </th> <th> SpaceUsedMB </th> <th> FreeSpaceMB </th>  

  

<td bgcolor=#F0E68C><b>FreeSpace(%)<b> </td> <th>Capture_Date</th></tr>'      

  

--<th> Server Name </th><th> Database Name </th> <th> PhysicalFileName </th> <th> FileSizeMB </th> <th> SpaceUsedMB </th> <th> FreeSpaceMB </th><th> FreeSpace(%) </th> <th>Capture_Date</th></tr>'      

  

   

  

SET @body = @body + @xml +'</table></body></html>'  

  

  

  

Set @cmd= @@SERVERNAME + ': Database Growth status '  

  

  

  

SELECT Top 1 @profile_name=name  FROM msdb.dbo.sysmail_profile  

  

  

  

EXEC msdb.dbo.sp_send_dbmail  

  

@profile_name = @profile_name, -- replace with your SQL Database Mail Profile   

  

@body = @body,  

  

@body_format ='HTML',  

  

@recipients = 'sqldbanow@gmail.com', -- replace with your email address  

  

@subject = @cmd  

  

End  

 

GO






Configure Deadlock Alert Using T-SQL in SQL Server

-- Here is a script to configure Deadlock Alert using t-sql


USE msdb

GO

 

DECLARE @perfcond NVARCHAR (100);

DECLARE @sqlversion TINYINT ;

 

-- get the major version of sql running

SELECT  @sqlversion = ca2.Ver

FROM    (SELECT CONVERT(VARCHAR (20),

                    SERVERPROPERTY('ProductVersion' )) AS Ver) dt1

        CROSS APPLY (SELECT CHARINDEX( '.', dt1 .Ver) AS Pos ) ca1

        CROSS APPLY (SELECT SUBSTRING( dt1.Ver , 1, ca1.Pos -1) AS Ver ) ca2;

 

-- handle the performance condition depending on the version of sql running

-- and whether this is a named instance or a default instance.

 

SELECT  @perfcond =

        CASE WHEN @sqlversion >= 11 THEN ''

        ELSE ISNULL (N'MSSQL$' +

                CONVERT(sysname , SERVERPROPERTY ('InstanceName')), N'SQLServer') + N':'

        END +

        N'Locks|Number of Deadlocks/sec|_Total|>|0' ;

 

EXEC msdb. dbo.sp_add_alert

    @name= N'Deadlock Alert',

    @message_id =0,

    @severity =0,

    @enabled =1,

    @delay_between_responses =0,

    @include_event_description_in =0,

    @category_name =N'[Uncategorized]',

    @performance_condition =@perfcond,

    --@job_name=N'Job to run when a deadlock happens, if applicable'

    -- or

    @job_id =N'00000000-0000-0000-0000-000000000000'

GO

 

EXEC msdb. dbo.sp_add_notification

    @alert_name = N'Deadlock Alert',

    @notification_method = 1, --email

    @operator_name = N'<operatorName>' ; -- name of the operator to notify

GO

Blocking

 

Blocking

user1 running a command on table1 which is still executing at the same time other user try to read/update the data from/to same table then user1 query will block the user2 Query.

 




 

 

 

Step1: Find the Blocking

There are number of ways to find out the details of the system processes IDs (spids) involved in blocking.

1.     sp_who2 System Stored Procedure

2.     sys.dm_exec_requests DMV

3.     sys.sysprocesses

4.     Sys.dm_os_waiting_tasks

5.     SQL Server Management Studio Activity Monitor

6.     SQL Server Management Studio Reports

7.     SQL Server Profiler

 

1.sp_who2 System Stored Procedure

The sp_who2 system stored procedure provides information about the current SQL Server processes with the associated SPID, status,login,Hostname,BlkBy,DBName,Command,CPU time, etc. The information returned can be filtered to return only the active processes by using the ‘active' parameter.

Below is some sample code and a screen shot with showing process 54 being blocked by process 53.

1.USE Master

Go

Sp_Who2

Go

 

2.USE Master

Go

Sp_Who2 active

Go

 



 

2.  sys.dm_exec_requests DMV

The sys.dm_exec_requests DMV provides details on all of the processes running in SQL Server. With the WHERE condition listed below, only blocked processes will be returned.

Use master

Go

select  * from sys.dm_exec_requests

where  blocking_session_id<>0



3. sys.sysprocesses

 

The sys.sysprocesses provides details on all of the processes running in SQL Server. With the WHERE condition listed below, only blocked processes will be returned.

Use master

GO

Select * from sys.sysprocesses where blocked<>0

 



4.sys.dm_os_waiting_tasks DMV

The sys.dm_os_waiting_tasks DMV returns information about the tasks that are waiting on resources.

USE Master

GO

SELECT session_id, wait_duration_ms, wait_type, blocking_session_id

FROM sys.dm_os_waiting_tasks

WHERE blocking_session_id <> 0

GO



5.SQL Server Management Studio Activity Monitor

It is easy procedure to do find the blocking from SSMS.

Open SSMS->Connect instance->Right click on instance-> select 'Activity Monitor'->Processes



OR





 

6.SQL Server Management Studio Reports

We can monitor the blocking on standard reports.

Open SSMS->Connect instance->Right click on instance->  Reports -> Standard Reports-> Activity - All Blocking Transactions.






 

7.SQL Server Profiler

To capture blocking related data on a continuous basis, one option is to run SQL Server Profiler and save the data to a table or file for analysis purposes. In order to configure Profiler to capture blocking related data, execute Profiler, configure the general properties. In addition, be sure to configure the 'blocked process threshold' before you start Profiler using this code:

sp_configure 'show advanced options', 1

GO

RECONFIGURE

GO

sp_configure 'blocked process threshold', 20

GO

RECONFIGURE

GO

Menu Bar->Tools->SQL Profiler->Connect the Instance->Select use template as TSQL-Lock->click on column filter->Select Database->Give the database name->ok->Run

 

Note: Don’t do this process in business hours. It causes a performance issue. Without change we can’t run the profiler.

  



 

Step2:INPUTBUFFER

Find the command which is running under SPID by using DBCCDBCC INPUTBUFFER(53)



Step3:KILL SPID

Kill the transaction by using below command

KILL 53

 

Note:

1.If select then kill the SPID ( Select command is not modify the data)

2. There is any other command part of the blocking then we can take the user/application team approval then we will kill it

 

Bandaru Ajeyudu

SQL and Azure DBA Trainer

Microsoft & Azure SQL DBA certified.

91-9494947541

Sqldbanow.com

ajeyudub@gmail.com