Data Resource Management
Controls
(Chapter 6)
1
Chapter key Points
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Function of DA and DBA
Some organizational issues
Data repository systems
Control over the DA and DBA
2
4 Motivated Fundamental Objectives
(Everest 1986,pp 36-52)
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Sharability
 Availability
 Evolvability
 Integrity
3
Function of DA and DBA
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Defining, Creating, Redefining, and Retiring Data
Making the Database Available to Users
Informing and Servicing Users
Maintaining Database Integrity
Monitoring Operations
4
Making the Database Available to Users
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Database users need various tools to interogate and update
the database
These tools must be purchased or developed
Both the DA and DBA have responsibility for making the
database available to users
5
Informing and Servicing Users
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As the focal points in a database environment, the DA and
DBA are responsible for informing and assisting users and
educating and training users. Users must know the current
status of the database
To inform and service users, the Da and DBA must
establish good communication users
Auditors might interview the DA and DBA to determine
the procedures they employ to inform and service users
6
Maintaining Database Integrity

Definition Control
 Existence Control
 Acces Control
 Update Control
 Concurrency Control
 Quality Control
7
Monitoring Operations

The DA and DBA must Monitor operations
and performance within the database
environment
 The DA and DBA must be able to identify
areas where effectiveness and efficiency can
be improved
8
Some organizational issues

Placement of the DA and DBA Roles
 Effects of Decentralization of the
Information Systems Function
9
Data Repository systems

Basic Functions of DRS
 Some Problems with DRSs
 Audit Aspects of aDRS
10
Control over the DA and DBA
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
Some Exposures: (1) Incompetent performance of roles,
(2) Opportunities to perpetrate irregularities,
(3) Availability of tools to override controls
Some Remedial Measures
11