Eric A. Mortensen En Cheng Using Business Intelligence to Improve DBA Productivity 1-16 2014 Open Journal of Databases (OJDB) 1 2 https://www.ronpub.com/ojdb/OJDB-v1i2n01_Mortensen.html http://nbn-resolving.de/urn:nbn:de:101:1-201705194595 urn:nbn:de:101:1-201705194595 RonPub UG (haftungsbeschränkt)