function Invoke-SDKSetCompatibilityLevelAllLocalTenants {
    [CmdletBinding()]
    param ()

    $logLead = Get-LogLeadName

    $alkamiMasterConnectionString = (Get-ConnectionString 'AlkamiMaster')

    $tenants = Get-FullTenantListFromServer -ConnectionString $alkamiMasterConnectionString

    $compatabilityMatrix = @{}
    $compatabilitySql = @"
SELECT name, compatibility_level
FROM sys.databases
WHERE compatibility_level < 140
"@

    # get the full set of compatability levels for the local environment only
    $anyRecord = $false
#region My kingdom for a using statement syntax like C#
    $sqlConnection = New-Object System.Data.SqlClient.SqlConnection $alkamiMasterConnectionString
    $sqlConnection.Open()
    [System.Data.SqlClient.SqlCommand]$command = $sqlConnection.CreateCommand()
    $command.CommandText = $compatabilitySql
    [System.Data.SqlClient.SqlDataReader]$reader = $command.ExecuteReader()
    while ($reader.Read()) {
        $compatabilityMatrix[$reader[0]] = $reader[1]
        $anyRecord = $true
    }
    $reader.Dispose()
    $sqlConnection.Close()
#endregion My kingdom for a using statement syntax like C#

    if (!$anyRecord) {
        Write-Host "$logLead : All local databases at the minimum expected compatibility_level"
        return
    }

    # We can't just update all of the values to be what we want
    # We HAVE to execute on ONLY the local databases that are related to Alkami (which means they are in the tenant table)

    $databasesToUpdate = @()
    foreach ($tenant in $tenants) {
        $sqlconn = New-Object System.Data.SqlClient.SqlConnectionStringBuilder $tenant.ConnectionString
        $catalog = $sqlconn.InitialCatalog
        if ([string]::IsNullOrWhiteSpace($catalog)) {
            $catalog = $tenant.Catalog
        }

        if ($null -ne $compatabilityMatrix[$catalog]) {
            # database is clearly local, and the value is below the threshold
            $databasesToUpdate += $catalog
        }
    }

    # Also remember to check the AlkamiMaster connection strings
    if ($null -ne $compatabilityMatrix[$sqlConnection.Database]) {
        $databasesToUpdate += $sqlConnection.Database
    }

    if ($databasesToUpdate.Count -eq 0) {
        Write-Host "$logLead : No local databases found to update compatibilit_level for"
        return
    }
    $sqlConnection.Open()
    foreach ($database in $databasesToUpdate) {
        $query = @"
USE master;
ALTER DATABASE [$database] SET COMPATIBILITY_LEVEL = 140;
"@
        [System.Data.SqlClient.SqlCommand]$command = $sqlConnection.CreateCommand()
        $command.CommandText = $query
        $consume = $command.ExecuteNonQuery()
        Write-Host "$logLead : Updated compatibility_level for [$database] to 140"
    }
    $sqlConnection.Close()
    $sqlConnection.Dispose()
}