1. PowerShell for DBA’s
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John Sterrett
@johnsterrett
JohnSterrett.com
linked.com/in/johnsterrett
google.com/+JohnSterrett
Specialties / Focus Areas / Passions:
• Performance Tuning &
Troubleshooting
• Virtualization
• Infrastructure
• Architecture
• High Availability
• Disaster Recovery
• Health Monitoring
• Capacity Management
• License Efficiency
Linchpin Group Principal
Virtual Chapter Leader “High
Availability and Disaster
Recovery”
Pass Regional Mentor
“South Central USA”

3. Linchpin People® are database coaches and wellness experts for the
Microsoft SQL Server Ecosystem. Our team includes more than 15 of the
world’s top SQL Server experts, and we have presented over 175 combined
sessions at SQL Saturdays, PASS Summit, and other events in the past year.
Do you have specific questions about your database environment? Check
out www.LinchpinPeople.com and take a look at the range of services we
provide, or contact one of us today to learn how we can help improve your
business.
You know us individually, but do
you know Linchpin People®?
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4. Objectives
•Cover the basics of PowerShell
•Examples for DBA’s
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5. WARNING
If you currently use PowerShell this session isn’t for
you
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6. Why PowerShell?
• PowerShell is object-based not text-based
• PowerShell commands are customizable
• PowerShell is a command line interpreter and a
scripting language
• PowerShell helps you manage the enterprise
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7. Commands “Cmdlet”
• Verb-Noun
• Get-Command
• Using Parameters
• Get-Command –Verb Get
• Get-Command –Noun Service
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8. Commands “Cmdlet”
• Verb-Noun
• Get-Help
• Using Get-Help
• Get-Help Get-Service
• Get-Help Get-Service –examples
• Get-Help Get-Service -Full
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9. Special Variables
• $_ = Current object in pipeline
• $Args = Containts an array of parameters passed to
a function
• $Error = Objects for which errors occurred
• $Home = user’s current home path
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10. Common Data Types
Type Description
Int 32 bit signed integer
Long 64-bit signed integer
String Fixed-length string
Char Unicode 16 bit character
Byte 8-bit unsigned character
Bool Boolean True/False value
Double Double-precision 32 bit float
Xml Xml Object
Array An Array of values
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11. Comparing Data
Operator Description
-eq Equal to
-lt Less than
-gt Greater Than
-ge Greater than or equal to
-le Less than or equal to
-ne Not equal to
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12. Logical Operators
Operator Description
-not Not
! Not
-and And
-or Or
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13. Looping
Operator Description
Do while Block of code executes as long as not
true
While Same as do while
Do until Block of code executes until condition is
true
For Script executes for specific number of
tries
Foreach Runs for every item in a collection
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14. DEMO
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15. Get started with
PowerShell
http://johnsterrett.com/go/powershell
@johnsterrett
JohnSterrett.com
linked.com/in/johnsterrett
google.com/+JohnSterrett