In this investigation we will look at the fundamentals of information systems including:
• the data-information-knowledge-wisdom hierarchy
• what information is and how, by itself, information does not provide knowledge or wisdom
• what an information system is
• the different ways information systems can be viewed: external, physical, conceptual and logical
• some of the different forms of information systems: hierarchical, networked, relational, object oriented, etc.
• basic terms and concepts of relational databases: tables, fields and records, cell instances, nulls, tuples, key fields and related tables.
This unit of work contains 4 classroom-tested activities to reinforce the concepts developed.
• the data-information-knowledge-wisdom hierarchy
• what information is and how, by itself, information does not provide knowledge or wisdom
• what an information system is
• the different ways information systems can be viewed: external, physical, conceptual and logical
• some of the different forms of information systems: hierarchical, networked, relational, object oriented, etc.
• basic terms and concepts of relational databases: tables, fields and records, cell instances, nulls, tuples, key fields and related tables.
This unit of work contains 4 classroom-tested activities to reinforce the concepts developed.
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