dbatools

1.1.19

functions/Get-DbaDbCompatibility.ps1

                                function Get-DbaDbCompatibility {

    <#

    .SYNOPSIS

        Displays the compatibility level for SQL Server databases.

    .DESCRIPTION

        Get 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 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/Get-DbaDbCompatibility

    .EXAMPLE

        PS C:\> Get-DbaDbCompatibility -SqlInstance localhost\sql2017

        Displays database compatibility level for all user databases on server localhost\sql2017

    .EXAMPLE

        PS C:\> Get-DbaDbCompatibility -SqlInstance localhost\sql2017 -Database Test

        Displays database compatibility level for database Test on server localhost\sql2017

    #>

    [CmdletBinding()]

    param (

        [DbaInstanceParameter[]]$SqlInstance,

        [PSCredential]$SqlCredential,

        [string[]]$Database,

        [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"

            [PSCustomObject]@{

                ComputerName  = $server.ComputerName

                InstanceName  = $server.ServiceName

                SqlInstance   = $server.DomainInstanceName

                Database      = $db.Name

                Compatibility = $db.CompatibilityLevel

            }

        }

    }

}

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