Database Architecture Duties
1. Planning for the database's future storage requirements
2. Defining database availability and fault management architecture
3. Defining and creating environments for development and new release installation
4. Creating physical database storage structures after developers have designed an application
5. Constructing the database
6. Determining and setting the size and physical locations of datafiles
7. Evaluating new hardware and software purchase
8. Researching, testing, and recommending tools for Oracle development, modeling, database administration, and backup and recovery implementation, as well as planning for the future
9. Providing database design and implementation
10. Understanding and employing the optimal flexible architecture to ease administration, allow flexibility in managing I/O, and to increase the capability to scale the system
11. Working with application developers to determine and define proper partitioning
Backup and Recovery
12. Determining and implementing the backup/recovery plan for each database while in development and as the application moves through test and onto production
13. Establishing and maintaining sound backup and recovery policies and procedures
14. Having knowledge and practice of Oracle backup and recovery scenarios
15. Performing Oracle cold backups when the database is shut down to ensure consistency of the data
16. Performing Oracle hot backups while the database is operational
17. Performing Oracle import/export as a method of recovering data or individual objects
18. Providing retention of data to satisfy legal responsibilities of the company
19. Restoring database services for disaster recovery
20. Recovering the database in the event of a hardware or software failure
21. Using partitioning and transportable tablespaces to reduce downtime, when appropriate
Maintenance and Daily Tasks
22. Providing adjustment and configuration management of INIT.ORA
23. Adjusting extent size of rapidly growing tables and indexes
24. Administering database-management software and related utilities
25. Automating database startup and shutdown
26. Automating repetitive operations
27. Determining and setting critical thresholds for disk, tablespaces, extents, and fragmentation
28. Enrolling new users while maintaining system security
29. Filtering database alarm and alert information
30. Installing, configuring, and upgrading Oracle server software and related products installation
31. Logging Technical Action Reports (TARs); applying patches
32. Maintaining the "Database Administrator's Handbook"
33. Maintaining an ongoing configuration for database links to other databases
34. Maintaining archived Oracle data
35. Managing contractual agreements with providers of database-management software
36. Managing service level agreements with Oracle consultants or vendors
37. Monitoring and advising management on licensing issues while ensuring compliance with Oracle license agreements
38. Monitoring and coordinating the update of the database recovery plan with the site's disaster recovery plan
39. Monitoring and optimizing the performance of the database
40. Monitoring rollback segment and temporary tablespace use
41. Monitoring the status of database instances
42. Performing housekeeping tasks as required; purging old files from the Oracle database
43. Performing database troubleshooting
44. Performing modifications of the database structure from information provided by application developers
45. Performing monthly and annual performance reports for trend analysis and capacity planning
46. Installing new and maintaining existing client configurations
47. Performing ongoing configuration management
48. Performing ongoing Oracle security management
49. Performing routine audits of user and developer accounts
50. Performing translation of developer modeled designs for managing data into physical implementation
51. Performing correlation of database errors, alerts, and events
52. Planning and coordinating the testing of the new database, software, and application releases
53. Providing a focal point on calls to Oracle for technical support
54. Working as part of a team and providing 24x7 support when required
Methodology and Business Process
55. Coordinating and executing database upgrades
56. Coordinating upgrades of system software products to resolve any Oracle/operating system issues/conflicts
57. Creating error and alert processes and procedures
58. Creating standard entry formats for SQLNet files
59. Creating processes and procedures for functional and stress testing of database applications
60. Creating processes and procedures of application transport from DEV, to TEST, to PROD
61. Defining and maintaining database standards for the organization to ensure consistency in database creation
62. Defining database standards and procedures to cover the instance parameters, object sizing, storage, and naming. The procedures define the process for install/upgrade, corporate database requirements, security, backup/recovery, applications environment, source code control, change control, naming conventions, and table/index creation.
63. Defining the database service levels necessary for application availability
64. Defining methodology tasks for database software integration
65. Defining a methodology for developing and improving business applications
66. Creating a process to determine whether a new release is "stable" enough to be placed on the development system
67. Developing data-conversion processes for customization, testing, and production
68. Developing database test plans
69. Developing database administration procedures and responsibilities for production systems
70. Developing production migration procedures
71. Establishing and providing schema definitions, as well as tablespace, table, constraint, trigger, package, procedure, and index naming conventions
72. Facilitating design sessions for requirements gathering and defining system requirements
73. Providing database problem reporting, management, and resolution
74. Providing final approval for all technical architecture components that manage and exchange data, including database management software, serve hardware, data distribution management software, server hardware, data distribution management software, transaction processing monitors, and connecting client applications software
75. Providing processes for the setup of new database environments
76. Providing risk and impact analysis of maintenance or new releases of code
77. Providing standards and methods for database software purchasing
78. Providing standards and naming conventions
79. Handling multiple projects and deadlines
Education and Training
80. Attending training classes and user group conferences
81. Evaluating Oracle features and Oracle-related products
82. Understanding the Oracle database, related utilities, and tools
83. Understanding the underlying operating system as well as the design of the physical database
84. Understanding Oracle data integrity
85. Knowing the organization's applications and how they map to the business requirements
86. Knowing how Oracle acquires and manages resources
87. Knowing enough about the Oracle tool's normal functional behavior to be able to determine whether a problem lies with the tool or the database
88. Processing sound knowledge in database and system performance tuning
89. Providing in-house technical consulting and training
90. Staying abreast of the most current release of Oracle software and compatibility issues
91. Subscribing to database trade journals and web sources
Communication
92. Interfacing with vendors
93. Disseminating Oracle information to the developers, users, and staff
94. Training application developers to understand and use Oracle concepts, techniques, and tools that model and access managed data
95. Assisting developers with database design issues and problem resolutions, including how to run and understand the output from both TKProf and the Explain Plan utilities
96. Training interim DBAs and junior-level DBAs
Documentation
97. Creating and maintaining a database operations handbook for frequently performed tasks
98. Defining standards for database documentation
99. Creating documentation of the database environment
Source - http://appsdbaportal.blogspot.com/2009/04/top-99-responsibilities-of-dba.html
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