Unit of competency
Modification History
Release |
Comments |
Release 1 |
This version first released with ICT Information and Communications Technology Training Package Version 1.0. |
Application
This unit describes the skills and knowledge required to establish client needs and technical requirements and to design a database that meets those requirements.
It applies to individuals employed as database administrators and designers who are required to design databases.
No licensing, legislative or certification requirements apply to this unit at the time of publication.
Unit Sector
Database
Elements and Performance Criteria
ELEMENT |
PERFORMANCE CRITERIA |
Elements describe the essential outcomes. |
Performance criteria describe the performance needed to demonstrate achievement of the element. |
1. Determine database requirements |
1.1 Meet with the client, and conduct a user-needs analysis, to determine database functionality 1.2 Analyse the results of a user-needs analysis to identify technical requirements 1.3 Develop a conceptual model of the database 1.4 Submit the conceptual model to the client for review 1.5 Evaluate client feedback and make changes as required |
2. Develop a logical data model |
2.1 Identify the attributes and determine the data types 2.2 Undertake the normalisation of attributes 2.3 Develop an entity-relationship (ER) diagram in order to clarify the cardinality of relationships 2.4 Document attributes, normalised data, and the ER diagram 2.5 Forward documentation to the client for confirmation |
3. Design the data structures |
3.1 Confirm primary and foreign keys for tables 3.2 Review client business rules 3.3 Identify the referential integrity constraints 3.4 Establish database management system constraints and incorporate into database design 3.5 Develop the validation rules for data 3.6 Design indexes and develop the data dictionary 3.7 Document the database design |
4. Design queries, screens and reports |
4.1 Design the user interface for database, including menus, input screens and outputs 4.2 Design queries, based on requirements 4.3 Design output reports, based on requirements 4.4 Compare the physical design with the conceptual model, or user-needs analysis 4.5 Incorporate changes as required |
5. Design access and security systems |
5.1 Review the business security plan as a basis for commencing the access and security design 5.2 Design the password and access system for the database 5.3 Identify multiple-user requirements 5.4 Develop client access profiles using the client business model |
6. Confirm the database design |
6.1 Identify the database backup and recovery requirements 6.2 Develop and document the database backup and restore procedures 6.3 Submit the database, and documentation, to the client for final approval |
Foundation Skills
This section describes language, literacy, numeracy and employment skills incorporated in the performance criteria that are required for competent performance.
Skill |
Performance Criteria |
Description |
Reading |
1.2, 1.5, 2.1, 3.2, 3.3, 4.4, 5.1, 6.1 |
|
Writing |
1.3, 2.3, 2.4, 3.7, 6.2, 6.3 |
|
Oral Communication |
1.1, 1.4, 1.5, 2.5, 3.2, 5.1, 6.3 |
|
Numeracy |
3.4, 4.1, 4.3, 4.4 |
|
Get the work done |
All |
|
Unit Mapping Information
Code and title current version |
Code and title previous version |
Comments |
Equivalence status |
ICTDBS502 Design a database |
ICADBS502A Design a database |
Updated to meet Standards for Training Packages. Minor edits to clarify intent of the performance criteria |
Equivalent unit |
Links
Companion Volume implementation guides are found in VETNet - https://vetnet.gov.au/Pages/TrainingDocs.aspx?q=a53af4e4-b400-484e-b778-71c9e9d6aff2