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Elements and Performance Criteria

Required Skills

Required skills

analytical skills to determine data objects required data structures and business requirements

communication skills to liaise with clients

literacy skills to

produce database documentation

numeracy skills to calculate field lengths table and database estimated size

planning and organisational skills to undertake business analysis

problemsolving skills to solve normalisation problems

technical skills to undertake data modelling and structured query language SQL programming

Required knowledge

data analysis particularly in determining data types and data structures and query and report design

data modelling related to developing the conceptual data model

data redundancy

database management system DBMS fundamentals particularly during the design phase

encryption and authentication as they apply to database security features

function and features of data types and data structures

functions and features of databases

logical design concepts particularly related to designing data structures queries screens and reports

object model design concepts particularly related to designing data structures queries screens and reports

scalability of databases

Evidence Required

The evidence guide provides advice on assessment and must be read in conjunction with the performance criteria required skills and knowledge range statement and the Assessment Guidelines for the Training Package

Overview of assessment

Critical aspects for assessment and evidence required to demonstrate competency in this unit

Evidence of the ability to

design a wellstructured database that represents the clients business reality and provides the user with a productive business tool

Context of and specific resources for assessment

Assessment must ensure access to

current industryaccepted database software network or other system for remote or multiuser access

business requirements

CASE or diagramming software

appropriate learning and assessment support when required

modified equipment for people with special needs

Method of assessment

A range of assessment methods should be used to assess practical skills and knowledge The following examples are appropriate for this unit

observation of candidate liaising with client

verbal or written questioning to assess candidates knowledge of

security models

review of the final database and associated support documentation

Guidance information for assessment

Holistic assessment with other units relevant to the industry sector workplace and job role is recommended where appropriate

Assessment processes and techniques must be culturally appropriate and suitable to the communication skill level language literacy and numeracy capacity of the candidate and the work being performed

Indigenous people and other people from a nonEnglish speaking background may need additional support

In cases where practical assessment is used it should be combined with targeted questioning to assess required knowledge

Range Statement

The range statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Bold italicised wording, if used in the performance criteria, is detailed below. Essential operating conditions that may be present with training and assessment (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) may also be included.

Client may include:	employees external organisations individuals internal departments.
Database may include:	commercial off-the-shelf (COTS) database packages object-relational databases proprietary databases relational databases.
Technical requirements may relate to:	business database network people in the organisation platform system.
Documentation may include:	audit trails data dictionaries entity-relationship diagrams International Organization for Standardization (ISO), International Electrotechnical Commission (IEC) and Australian Standards (AS) standards naming standards project management templates and report writing principles version control.
Database management system may include:	distributed or centralised online partitioned geographically or thematically distributed.
Requirements may relate to:	business database network people in the organisation platform system.
Security plan may include:	authentication authorisation and integrity privacy security objectives of the organisation.