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Follow the links below to find material targeted to the unit's elements, performance criteria, required skills and knowledge
Required Skills
analytical skills to analyse business data
communication skills to liaise with clients
problemsolving skills to solve problems that arise with the entity relationships
develop entityrelationship models in tables
relate identifier selection to business domain
relate user specifications to data model
transfer customer requirements into data model
database identifiers and their impact on database usability
normalisation rules and processes
validation procedures and processes
an approach to data modelling such as the entityrelationship model
keys eg unique keys composite keys primary keys and primary index
time stamps related to the use of keys
userdefined types structured types reference types and userdefined functions