database administration: additional issues
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10/7/1999 Database Management -- R. Larson
Database Administration:Additional Issues
University of California, Berkeley
School of Information Management and Systems
SIMS 257: Database Management
10/7/1999 Database Management -- R. Larson
Terms and Concepts• Data Administration
– Responsibility for the overall management of data resources within an organization
• Database Administration– Responsibility for physical database design and technical
issues in database management
• Data Steward– Responsibility for some subset of the organization’s data,
and all of the interactions (applications, user access, etc.) for that data
10/7/1999 Database Management -- R. Larson
Review
• DA and DBA functions
10/7/1999 Database Management -- R. Larson
Database System Life Cycle
Operation &Maintenance
DatabaseImplementation
DatabaseDesign
Growth &Change
DatabaseAnalysis
DatabasePlanning
Note: this is a different version of thislife cycle than discussed previously
10/7/1999 Database Management -- R. Larson
Database Planning:DA & DBA functions
• Develop corporate database strategy (DA)
• Develop enterprise model (DA)
• Develop cost/benefit models (DA)
• Design database environment (DA)
• Develop data administration plan (DA)
10/7/1999 Database Management -- R. Larson
Database Analysis:DA & DBA functions
• Define and model data requirements (DA)
• Define and model business rules (DA)
• Define operational requirements (DA)
• Maintain corporate Data Dictionary (DA)
10/7/1999 Database Management -- R. Larson
Database Design:DA &DBA functions
• Perform logical database design (DA)
• Design external models (subschemas) (DBA)
• Design internal model (Physical design) (DBA)
• Design integrity controls (DBA)
10/7/1999 Database Management -- R. Larson
Database ImplementationDA & DBA functions
• Specify database access policies (DA & DBA)• Establish Security controls (DBA)• Supervise Database loading (DBA)• Specify test procedures (DBA)• Develop application programming standards (DBA)• Establish procedures for backup and recovery (DBA)• Conduct User training (DA & DBA)
10/7/1999 Database Management -- R. Larson
Operation and Maintenance:DA & DBA functions
• Monitor database performance (DBA)
• Tune and reorganize databases (DBA)
• Enforce standards and procedures (DBA)
• Support users (DA & DBA)
10/7/1999 Database Management -- R. Larson
Growth & Change:DA & DBA functions
• Implement change control procedures (DA & DBA)
• Plan for growth and change (DA & DBA)
• Evaluate new technology (DA & DBA)
10/7/1999 Database Management -- R. Larson
Issues/functions in Database Administration
• Planning and Design (we have already looked at theses processes in detail)
• Data Integrity
• Backup and Recovery
• Security Management
10/7/1999 Database Management -- R. Larson
Today
• Additional issues– Handling special data considerations– Database/Data Dictionary– Database Building in SQL (maybe)
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