functions/Set-DbaDbCompatibility.ps1
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function Set-DbaDbCompatibility { <# .SYNOPSIS Sets the compatibility level for SQL Server databases. .DESCRIPTION Sets the current database compatibility level for all databases on a server or list of databases passed in to the function. .PARAMETER SqlInstance The target SQL Server instance or instances. .PARAMETER SqlCredential SqlLogin to the target instance using alternative credentials. Accepts PowerShell credentials (Get-Credential). Windows Authentication, SQL Server Authentication, Active Directory - Password, and Active Directory - Integrated are all supported. For MFA support, please use Connect-DbaInstance.. .PARAMETER Database The database or databases to process. If unspecified, all databases will be processed. .PARAMETER TargetCompatibility The target compatibility level version. This is an int and follows Microsoft's versioning: 9 = SQL Server 2005 10 = SQL Server 2008 11 = SQL Server 2012 12 = SQL Server 2014 13 = SQL Server 2016 14 = SQL Server 2017 15 = SQL Server 2019 .PARAMETER InputObject A collection of databases (such as returned by Get-DbaDatabase) .PARAMETER WhatIf Shows what would happen if the command were to run .PARAMETER Confirm Prompts for confirmation of every step. For example: Are you sure you want to perform this action? Performing the operation "Update database" on target "pubs on SQL2016\VNEXT". [Y] Yes [A] Yes to All [N] No [L] No to All [S] Suspend [?] Help (default is "Y"): .PARAMETER EnableException By default, when something goes wrong we try to catch it, interpret it and give you a friendly warning message. This avoids overwhelming you with "sea of red" exceptions, but is inconvenient because it basically disables advanced scripting. Using this switch turns this "nice by default" feature off and enables you to catch exceptions with your own try/catch. .NOTES Tags: Compatibility, Database Author: Garry Bargsley, http://blog.garrybargsley.com/ Website: https://dbatools.io Copyright: (c) 2018 by dbatools, licensed under MIT License: MIT https://opensource.org/licenses/MIT .LINK https://dbatools.io/Set-DbaDbCompatibility .EXAMPLE PS C:\> Set-DbaDbCompatibility -SqlInstance localhost\sql2017 Changes database compatibility level for all user databases on server localhost\sql2017 that have a Compatibility level that do not match .EXAMPLE PS C:\> Set-DbaDbCompatibility -SqlInstance localhost\sql2017 -TargetCompatibility 12 Changes database compatibility level for all user databases on server localhost\sql2017 to Version120 .EXAMPLE PS C:\> Set-DbaDbCompatibility -SqlInstance localhost\sql2017 -Database Test -TargetCompatibility 12 Changes database compatibility level for database Test on server localhost\sql2017 to Version 120 #> [CmdletBinding(SupportsShouldProcess)] param ( [DbaInstanceParameter[]]$SqlInstance, [PSCredential]$SqlCredential, [string[]]$Database, [ValidateSet(9, 10, 11, 12, 13, 14, 15)] [int]$TargetCompatibility, [parameter(ValueFromPipeline)] [Microsoft.SqlServer.Management.Smo.Database[]]$InputObject, [switch]$EnableException ) process { if (Test-Bound -not 'SqlInstance', 'InputObject') { Write-Message -Level Warning -Message "You must specify either a SQL instance or pipe a database collection" continue } if ($SqlInstance) { $InputObject += Get-DbaDatabase -SqlInstance $SqlInstance -SqlCredential $SqlCredential -Database $Database } foreach ($db in $InputObject) { $server = $db.Parent $ServerVersion = $server.VersionMajor Write-Message -Level Verbose -Message "SQL Server is using Version: $ServerVersion" $ogcompat = $db.CompatibilityLevel $dbversion = switch ($ogcompat) { "Version100" { 10 } # SQL Server 2008 "Version110" { 11 } # SQL Server 2012 "Version120" { 12 } # SQL Server 2014 "Version130" { 13 } # SQL Server 2016 "Version140" { 14 } # SQL Server 2017 "Version150" { 15 } # SQL Server 2019 default { 9 } # SQL Server 2005 } if (-not $TargetCompatibility) { if ($dbversion -lt $ServerVersion) { If ($Pscmdlet.ShouldProcess($server.Name, "Updating $db version from $dbversion to $ServerVersion")) { $comp = $ServerVersion * 10 $sql = "ALTER DATABASE $db SET COMPATIBILITY_LEVEL = $comp" try { $db.ExecuteNonQuery($sql) $db.Refresh() Get-DbaDbCompatibility -SqlInstance $server -Database $db.Name } catch { Stop-Function -Message "Failed to change Compatibility Level" -ErrorRecord $_ -Target $instance -Continue } } } } else { if ($Pscmdlet.ShouldProcess($server.Name, "Updating $db version from $dbversion to $TargetCompatibility")) { $comp = $TargetCompatibility * 10 $sql = "ALTER DATABASE $db SET COMPATIBILITY_LEVEL = $comp" try { $db.ExecuteNonQuery($sql) $db.Refresh() Get-DbaDbCompatibility -SqlInstance $server -Database $db.Name } catch { Stop-Function -Message "Failed to change Compatibility Level" -ErrorRecord $_ -Target $instance -Continue } } } } } } |