This unit applies to senior database staff who are required to provide data warehouse functionality for their organisation.
Not applicable.
1. Identify required data and sources | 1.1 Identify required organisational data according to enterprise knowledge management strategy 1.2 Identify subject areas according to business processes and required enterprise data 1.3 Explore the operational data and define warehouse sources and record outcomes 1.4 Develop warehouse source specifications according to existing data tables and files |
2. Determine warehouse operational steps and processes | 2.1 Develop warehouse targets according to business processes and required enterprise data 2.2 Identify warehouse agents according to system configuration 2.3 Identify and develop warehouse steps and processes |
3. Design and develop warehouse features | 3.1 Design and develop warehouse user interface according to principles of user interface design 3.2 Develop and implement warehouse security strategy according to enterprise security plan 3.3 Identify dimension tables and fact tables according to required enterprise data 3.4 Develop warehouse information catalogue according to the enterprise's knowledge management strategy |
4. Test and implement data warehouse | 4.1 Test data warehouse against business requirements to ensure that iterations meet business objectives 4.2 Recommend changes to business processes to ensure compatibility with data warehouse and knowledge management strategy 4.3 Implement the data warehouse 4.4 Establish an ongoing maintenance schedule to keep the system efficient 4.5 Benchmark and document the performance level of the data warehouse 4.6 Arrange for users to have ongoing training in the data warehouse 4.7 Validate results 4.8 Obtain sign-off of the data warehouse |
Required skills
analytical skills to:
analyse business requirements
analyse organisation’s warehouse requirements and identify appropriate data
select the most appropriate data warehouse tool for the organisation’s needs
communication skills to:
conduct training
liaise with senior management
literacy skills to:
develop policy and procedures
develop warehouse information catalogue
document performance level of data warehouse
produce warehouse documentation
numeracy skills to conduct cost-benefit analyses of the data warehouse project
planning and organisational skills to manage the data warehouse project, including deliverables, milestones and work breakdown structure
problem-solving skills to handle unexpected problems in design, implementation or delivery of data warehouse
research skills to:
be aware of the product range in data warehouses
keep informed of the latest activities in data warehouse design and use
technical skills to:
design a suitable user interface
develop warehouse source specifications
gather and analyse data
model steps and processes
source data
use structured query language (SQL) where appropriate in the data warehousing activity.
Required knowledge
functions and features of:
data warehousing and data mining
dimension tables and fact tables
steps and processes, including transformer steps, program steps, SQL steps and user-defined program steps
subject areas, warehouse sources and warehouse targets
warehouse agents and agent sites
overview knowledge of:
business operating systems related to data sources
decision support systems related to knowledge management strategies.
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 data warehouse model that reflects current and future business requirements and the business knowledge management strategy implement the design. |
Context of and specific resources for assessment | Assessment must ensure access to: business requirements computers configurable as information servers enterprise knowledge management strategy internet connectivity tools local area network (LAN) with a relational database management system (DBMS) proxy server software specialised internet security 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: evaluation of candidate’s design of a data warehouse review of candidate’s warehouse documentation verbal or written questioning to assess candidate’s knowledge of: data sources data warehouses direct observation of candidate conducting data warehouse training. |
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 non-English speaking background may need additional support. In cases where practical assessment is used it should be combined with targeted questioning to assess required knowledge. |
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.
System configuration may include: | configuration, such as: small memory model large memory model requests per second database software, such as: DB2 Informix Ingres Microsoft SQL (MS SQL) server Mini SQL (mSQL) MySQL Oracle Sybase operating systems, such as: Linux Mac multi-user ability Novell NetWare 5 or above Windows 2000 or above. |
Security plan may contain: | alerts audits handling theft privacy standards, including archival, backup and network viruses. |
System may include: | application service provider (ASP) applications databases gateways internet service provider (ISP) operating systems servers. |
Users may include: | department within the organisation person within a department third party. |
Database
This unit contains employability skills.
Not applicable.