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Part 2 of a multi-part series of presentations on the management discipline of database administration. The entire series can be used to implement an efficient and effective database administration function at your organization. This first part covers the following areas:
- Defining the Organization?s DBMS Strategy
- Installing the DBMS
- Upgrading DBMS Versions and Releases
- Database Standards and Procedures
- DBMS Education
2. The DBMS Landscape
• Choosing a DBMS
– vendor, platform, and architecture of DBMS
PostgreSQL
Mainframe (z/OS)
Windows Server
Unix
AIX
Sun Solaris
HP-UX
Linux
others?
Others (VSE, VMS, MPE, OS/400, etc.)
Desktop OS
Windows XP/ Vista / 7
Linux
Mac OS
This document is a partial preview. Full document download can be found on Flevy:
http://flevy.com/browse/document/the-complete-guide-to-dba-practices-and-procedures-creating-the-database-environment-part-2-573
3. DBMS Architectures
• Enterprise
• Departmental
• Personal
• Mobile
• Cloud
This document is a partial preview. Full document download can be found on Flevy:
http://flevy.com/browse/document/the-complete-guide-to-dba-practices-and-procedures-creating-the-database-environment-part-2-573
4. Personal DBMS
• Single user
• Low to medium power PC
• Examples
– Microsoft Access
– Oracle Database Personal Edition
– DB2 Personal Edition
• Not useful for large applications or shared
work
• Low cost
This document is a partial preview. Full document download can be found on Flevy:
http://flevy.com/browse/document/the-complete-guide-to-dba-practices-and-procedures-creating-the-database-environment-part-2-573
5. DBMS Clustering
• Where multiple independent systems work
together as a single, highly available system
• Failover support
This document is a partial preview. Full document download can be found on Flevy:
http://flevy.com/browse/document/the-complete-guide-to-dba-practices-and-procedures-creating-the-database-environment-part-2-573
6. Shared-Disk vs. Shared-Nothing
Shared-disk Shared-nothing
Quick adaptability to changing workloads Can exploit simpler, cheaper hardware
High availability Almost unlimited scalability
Performs best in a heavy read
environment
Works well in a high-volume, read-write
environment
Data need not be partitioned Data is partitioned across the cluster
This document is a partial preview. Full document download can be found on Flevy:
http://flevy.com/browse/document/the-complete-guide-to-dba-practices-and-procedures-creating-the-database-environment-part-2-573
7. Program
1
Program
2
Buffer
Pool
DBMS
Database
(1) Program requests a
row of data
(2) DBMS finds the
requested data
(3) And moves it to
the buffer pool
(4) And to the
program
(5) A subsequent request
is made for the same
row of data
(6) DBMS finds
the data in
the buffer pool
(7) And moves it to
the program without
reading it from disk
This document is a partial preview. Full document download can be found on Flevy:
http://flevy.com/browse/document/the-complete-guide-to-dba-practices-and-procedures-creating-the-database-environment-part-2-573
8. Upgrading the DBMS
• Analysis of New Features
– Check all Requirements
• Hardware and Software (see Installation Checklist)
• Planning the Upgrade
– Impact to system, applications
– Scheduling
• Fallback Strategy
• Migration Verification
This document is a partial preview. Full document download can be found on Flevy:
http://flevy.com/browse/document/the-complete-guide-to-dba-practices-and-procedures-creating-the-database-environment-part-2-573
9. Database Standards & Procedures
• Naming Conventions (in conjunction with DA)
– Standard abbreviations (in conjunction with DA)
• Roles & Responsibilities (in conjunction with DA and SA)
• Programming Guidelines (in conjunction with App Dev)
• Database Guidelines
– Security (in conjunction with Security Admin or SA)
– Migration & Turnover Procedures
– Design Review Guidelines
(in conjunction with DA, SA, App Dec)
– Operational Support (in conjunction with Operations)
• Communication Standards
This document is a partial preview. Full document download can be found on Flevy:
http://flevy.com/browse/document/the-complete-guide-to-dba-practices-and-procedures-creating-the-database-environment-part-2-573
10. Questions
This document is a partial preview. Full document download can be found on Flevy:
http://flevy.com/browse/document/the-complete-guide-to-dba-practices-and-procedures-creating-the-database-environment-part-2-573
11. 1
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