1. Database Administration
Chapter 15
Database Administration
Database Systems: Design, Implementation, and Management, Sixth Edition, Rob and Coronel

2. 15.5 The Database Environment’s Human Component
Even the most carefully crafted database system cannot operate without a human component
Effective data administration requires both technical and managerial skills
DA (data administrator) is responsible for the consolidation and consistency of both manual and computerized data
DBA is the focal point for data/user interaction
Need for diverse mix of skills
Database Systems: Design, Implementation, & Management, 6th Edition, Rob & Coronel

3. Database Systems: Design, Implementation, & Management, 6th Edition, Rob & Coronel

4. Data Administrator
DA (data administrator) must set data administration goals, defined by
Data sharability and time availability
Data consistency and integrity
Data security and privacy
Extent and character of data use
Database Systems: Design, Implementation, & Management, 6th Edition, Rob & Coronel

5. Database Systems: Design, Implementation, & Management, 6th Edition, Rob & Coronel

6. Personnel management, interactions with the end-user community
The use of DB, production, development, and use of application programs
Database Systems: Design, Implementation, & Management, 6th Edition, Rob & Coronel

7. The DBA’s Managerial Role
Database Systems: Design, Implementation, & Management, 6th Edition, Rob & Coronel

8. End-User Support User requirement gathering
Conflict and problem resolution
Finding solutions to information needs
Ensuring quality and integrity of application and data
Building end-user confidence
Managing the training and support of DBMS users
Database Systems: Design, Implementation, & Management, 6th Edition, Rob & Coronel

9. Policies, Procedures, and Standards
Policies are general statements of direction or action that communicate and support DBA goals
Standards describe the minimum requirements of a given DBA activity
Procedures are written instructions that describe a series of steps to be followed during the performance of a given activity
Database Systems: Design, Implementation, & Management, 6th Edition, Rob & Coronel

10. Data Security, Privacy, and Integrity
Authorization management defines procedures to protect and guarantee DB security and integrity
User access management, view definition, DBMS utility access control, DBMS usage monitoring, etc.
Database Systems: Design, Implementation, & Management, 6th Edition, Rob & Coronel

11. Data Backup and Recovery
Disaster management includes are the DBA activities to secure data availability after a physical disaster or a DB integrity failure
The backup and recovery include at least:
Periodic data and application backups
Proper backup identification
Convenient and safe backup storage
Physical protection of both hardware and software
Personal access control to the software of a DB installation
Insurance coverage for the data in the DB
Database Systems: Design, Implementation, & Management, 6th Edition, Rob & Coronel

12. The DBA’s Technical Role
DBMS and utilities evaluation, selection, and installation (p. 729)
Design and implementation of databases and applications
Testing and evaluation of databases and applications
Operation of the DBMS, utilities, and applications
Training and supporting users
Maintenance of the DBMS, utilities, and applications
Database Systems: Design, Implementation, & Management, 6th Edition, Rob & Coronel

13. 16.6 Database Administration Tools
Two main types of data dictionaries:
Integrated
Standalone
Main function of data dictionary: store description of all objects that interact with the database
Database Systems: Design, Implementation, & Management, 6th Edition, Rob & Coronel

14. Database Administration Tools (continued)
Data dictionary makes it possible to manage use and allocation of all organization’s information, regardless of whether it has roots in database data
Metadata stored in data dictionary are often basis for monitoring database use and assignment of access rights to database users
Database Systems: Design, Implementation, & Management, 6th Edition, Rob & Coronel

15. Database Systems: Design, Implementation, & Management, 6th Edition, Rob & Coronel

16. Summary Data management is critical for any organization
Data should be treated as corporate asset with monetary value
DBMS is most commonly used electronic tool for corporate data management
Impact of the DBMS on the organization’s managerial and cultural framework must be carefully examined
Data administration function was developed in response to changes in data management fostered by technological advances in computer systems
Database Systems: Design, Implementation, & Management, 6th Edition, Rob & Coronel

17. Summary (continued)
Database administrator (DBA) is responsible for corporate database management
Broader data management activity is handled by data administrator (DA)
DA is more managerially oriented than the more technically oriented DBA
Development of data administration strategy is closely related to the company’s mission and objectives
Implementing the overall company strategy is a crucial process influenced by managerial, technological, and cultural issues
Database Systems: Design, Implementation, & Management, 6th Edition, Rob & Coronel