baseModules/PPoShSqlTools/1.0.0/Public/Backup-SqlDatabase.ps1
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function Backup-SqlDatabase { <# .SYNOPSIS Creates SQL database backup. .DESCRIPTION Uses Invoke-Sql cmdlet to run Backup-SqlDatabase SQL script to backup database. .EXAMPLE Backup-SqlDatabase -DatabaseName "DbName" -ConnectionString "Data Source=localhost;Integrated Security=True" -BackupPath "C:\db_backups\" -BackupName "DbName{0}.bak" #> [CmdletBinding()] [OutputType([void])] param( [Parameter(Mandatory=$true)] [string] $ConnectionString, # The name of the database to be backed up - if not specified, Initial Catalog from ConnectionString will be used. [Parameter(Mandatory=$false)] [string] $DatabaseName, # The folder path where backup will be stored. [Parameter(Mandatory=$true)] [string] $BackupPath, # The name of the backup. If you add placehodler {0} to BackupName, current date will be inserted. [Parameter(Mandatory=$true)] [string] $BackupName ) $BackupName = if ($BackupName.Contains('{0}')) { $BackupName -f $(Get-Date -Format yyyy-MM-dd_HH-mm-ss) } else { $BackupName } $BackupFullPath = Join-Path -Path $BackupPath -ChildPath $BackupName $sqlScript = Join-Path -Path $PSScriptRoot -ChildPath "Backup-SqlDatabase.sql" if (!$DatabaseName) { $csb = New-Object -TypeName System.Data.SqlClient.SqlConnectionStringBuilder -ArgumentList $ConnectionString $DatabaseName = $csb.InitialCatalog } if (!$DatabaseName) { throw "No database name - please specify -DatabaseName or add Initial Catalog to ConnectionString." } $parameters = @{ DatabaseName = $DatabaseName BackupPath = $BackupFullPath } Write-Log -Info "Start creating database $DatabaseName backup to location $BackupFullPath" [void](Invoke-Sql -ConnectionString $ConnectionString -InputFile $sqlScript -SqlCmdVariables $parameters -DatabaseName '') } |