<#
.SYNOPSIS
The purpose of the script is to initiate backup only for desired group of databases. The requirement is to refresh databases.
.DESCRIPTION
The advantage is that the flexibility of passing a list of specific group of databases for backup.
The backup databases has three mandatory parameters
$SQLServer – Source SQL Server where we have to initiate the backup – For Example HQDBSP18
$BackupDirectory – Backup path for the BAK files – For example – F:\PowerSQL
$dbList – List of databases separated by comma – “rtc,SafetyDB”
.NOTES
Author : Prashanth Jayaram
Requires: Make sure you have all the required admin access on the server
.EXAMPLE
Invoke_SQLDBBackup -SQLServer HQDBSP18 -BackupDirectory f:\PowerSQL -dbList “SafetyDB,rtc,rtcab1“
.LINK
#>
Function Invoke_SQLDBBackup { param ([Parameter(Mandatory=$true,Position=0)][String]$SQLServer, [Parameter(Mandatory=$true,Position=1)][String]$BackupDirectory, [Parameter(Mandatory=$true,Position=2)][String]$dbList) [System.Reflection.Assembly]::LoadWithPartialName("Microsoft.SqlServer.SMO") | Out-Null [System.Reflection.Assembly]::LoadWithPartialName("Microsoft.SqlServer.SmoExtended") | Out-Null [System.Reflection.Assembly]::LoadWithPartialName("Microsoft.SqlServer.ConnectionInfo") | Out-Null [System.Reflection.Assembly]::LoadWithPartialName("Microsoft.SqlServer.SmoEnum") | Out-Null $BackupDate = get-date -format yyyyMMdd_HHmmss $Server = new-object ("Microsoft.SqlServer.Management.Smo.Server") $SQLServer foreach ($Database in $Server.databases) { foreach($db in $DbList.split(",")) { if($Database.Name -eq $db) { $DatabaseName = $Database.Name $DatabaseBackup = new-object ("Microsoft.SqlServer.Management.Smo.Backup") $DatabaseBackup.Action = "Database" $DatabaseBackup.Database = $DatabaseName $DatabaseBackup.Devices.AddDevice($BackupDirectory + "\" + $DatabaseName + "_" + $BackupDate + ".BAK", "File") $DatabaseBackup.SqlBackup($Server) } } } } Invoke_SQLDBBackup -SQLServer HQDBSP18 -BackupDirectory f:\PowerSQL -dbList "SafetyDB,rtc,rtcab1"
Prashanth Jayaram 
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