five steps to being a top dba learning automation in sql server
TRANSCRIPT
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Five Steps to Being a Top DBA Learning Automation in SQL ServerJoey D’Antoni
25 March 2015
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Joey D’Antoni
• Joey has over 15 years of experience with a wide variety of data platforms, in both Fortune 50 companies as well as smaller organizations
• He is a frequent speaker on database administration, big data, and career management
• He is the co-president of the Philadelphia SQL Server User’s Group
• MSCE, Business Intelligence
• He wants you to make sure you can restore your data
Joeydantoni.com
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Agenda
Everyone is Really Busy
Introduction to Tools
Cool Automation Tricks
Another Tool to Reduce Your Workload
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Does Your Job Feel Like This?You Want to Get to Here
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Automation
5https://xkcd.com/1205/
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Standards
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Tricks of the Trade
PowerShell SQLCMD DOSDynamic SQL
and Concatenation
Agent Jobs
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PowerShell
A must have for Windows tasks
You can’t automate Azure
without it
SQL PS has some limitations
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SQLCMD
Command Line interface to SQL Server
Very, very powerful
Can integrate with SQL Agent or Windows Scheduler
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DOS
DOS is still alive
Mainly because I haven’t ported all
of my code to PowerShell
Can still be useful—especially
if on older Windows releases
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Dynamic SQL and Concatantion
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--Create the files
WHILE @number_of_files > 0BEGINif @number_of_files = 1 -- main tempdb file, move and re-sizeBEGINSELECT @sql_statement = 'ALTER DATABASE tempdb MODIFY FILE (NAME = tempdev, SIZE = '+convert(nvarchar(25), @individ_file_size) + ', filename = '+nCHAR(39)+@data_file_path+'tempdb.mdf'+nCHAR(39)+',MAXSIZE = '+ convert(nvarchar(25),@individ_file_size) + ', FILEGROWTH = 100MB);';ENDELSE -- numbered tempdb file, add and re-sizeBEGINSELECT @sql_statement = 'ALTER DATABASE tempdb ADD FILE (NAME = tempdev0' + convert(nvarchar(25),@number_of_files)+',filename = '+nCHAR(39)+@data_file_path+'tempdb0' + convert(nvarchar(25),@number_of_files)+'.ndf'+nCHAR(39)+', SIZE = '+ convert(varchar(25), @individ_file_size) + ', MAXSIZE = '+ convert(nvarchar(25), @individ_file_size) + ', FILEGROWTH = 100MB);';END
EXEC sp_executesql @statement=@Sql_StatementPRINT @sql_statement
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Agent Jobs
Use the Scheduler
More than jobs—alterting and notifications
Regular Data Collection and Automation
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Now You Have the Tools
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Let’s Build Something Cool
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Demo--SQL Server Install and Best Practices
Default SQL Servers installs are a bad thing
Every time someone leaves cost threshold for parellelism at 5, a kitten dies
Let’s fix this..
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Demo--SQLCMD Dynamic SQL for Backups
This is a simple demo of the combination of some dynamic SQL and SQLCMD
Just an example—still schedule as an agent job
Or just use Ola’s script
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Demo--Patching SQL Server
Will use a combination of commands and PowerShell for CU automation
Use PowerShell to verify patch successful and notify admin
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Demo—Availability Groups DB Add
Complex example of T-SQL automation
Some interesting techniques
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Automation
With these tools the only limits are your imagination
Any repetitive tasks can and should be automated
Take advantage of scripting tools
Test, Test, Test and Test some more
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Summary
I didn’t say DevOps—but this is kind of what DevOps is like
Automation makes you a better DBA—you can focus on value added activities like query tuning
Start small (installations) and build your skills to advanced techniques like patching and code deployments
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Thank you for attending!
Connect with us
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Read Joey’s Blog
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