1. DA vs. DBA The University of California Berkeley Extension pmcdermott@msn.com Copyright © 2011 Patrick McDermott

2. Ye Holy Graille 1 to 1, Name and Item (Thing) Same Thing, Same Name Different Thing, Different Name One Thing, One Name

3. DA & DBA Data Administration –“A high-level function that is responsible for the overall management of data resources in an organization, including maintaining corporate- wide definitions and standards.” Data Base Administration –“A technical function that is responsible for physical database design and for dealing with technical issues, such as security enforcement, database performance, and backup & recovery.”

4. Bad DA! 1.Multiple Definitions/Inconsistent Representation of Data Elements  Integration “Hazardous” 2.Missing Critical Data Elements 3.Inappropriate Sources/Timing of Transfer 4.Poor Awareness of What’s Available  Effective Planning/Strategy nixed 5.Poor Response, Downtime, Privacy/Security 6.Damaged, Sabotaged, Stolen Data 7.Embarrassment due to Unauthorized Access

5. Trends 1.Proliferation of Technologies /Platforms/DB –Both Proprietary & Open Source) 2.Growth in the size of Databases –Complex Data types, Business Intelligence –Server Arrays 3.Embedding Business Rules in Triggers, Stored Procedures, User-defined Functions 4.e-Business/Internet  Access from Outside 5.Smartphones & Other Linked Devices

6. Traditional Data Administration Data Policy, Procedures, Standards –e.g. Access Rules, Naming Standards, etc. Planning –Organization Needs  Information Architecture Data Conflict Resolution –Who “owns” the Data Manage the Information Repository Internal Marketing –Can’t succeed without Cooperation & Awareness

7. Traditional Database Administration Analyze & Design Database Select DBMS & software tools Install, Upgrade DBMS Tune the Database Improve Query processing Performance Manage Security, Privacy, Integrity Backup & Recovery

8. DBA The Database Administrator is the IT professional who oversees all aspects of a business database. From initial database architecture design through implementation, administration, monitoring, tuning, backup, migration and support. Other common job titles that similar to DBA: Data Architect, Data Modeler, Data Administrator, Database Designer, Database Manager.

9. DBA versus … Specialty among DBAs, within DBA organization, or in different departments Applications Analyst or Data Modeler –Who works with users? –Who does Logical Design? Data Administrator –Who enforces Data Definition Standards? Security Specialist –Who maintains users –Who monitors usage & access?