
admin:database-set-enabled( $config as element(configuration), $database-id as xs:unsignedLong, $value as xs:boolean ) as element(configuration)
This function sets the enabled value for the specified database in the configuration.
http://marklogic.com/xdmp/privileges/admin/database
http://marklogic.com/xdmp/privileges/admin/database/{id}
  xquery version "1.0-ml";
  import module namespace admin = "http://marklogic.com/xdmp/admin"
		  at "/MarkLogic/admin.xqy";
  let $config := admin:get-configuration()
  return
  admin:database-set-enabled($config, xdmp:database("myDatabase"), fn:false())
  (: returns the new configuration element -- use admin:save-configuration
     to save the changes to the configuration or pass the configuration
     to other Admin API functions to make other changes.  :)