Entries by Grace Wahito

Conceptual Data Modelingo Conceptual modeling looks

March 29, 2020 in /by

Conceptual Data Modelingo Conceptual modeling looks at how the data is structured and what the characteristics of the data are. What characteristics of data are represented in an E-R diagram?  o Characteristics for attributes are also called properties. So every entity must have attributes to help make it unique. Behavior is important because the entity […]

 

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Great definitions and examples of the primary types of errors,

March 29, 2020 in /by

Great definitions and examples of the primary types of errors, as well as ways to design the interface to reduce errors and provide clear error messages! And, yes, if the feedback to the user about the error is not clear, then typically frustration sets in :-(( Class, is it a must to include built-in help […]

 

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Database Designo In logical design,

March 29, 2020 in /by

Database Designo In logical design, there is a process called normalization. Please describe what this is in your own words. Please explain first normal form, second normal form, and third normal form. Show an example via table entities of each normal form. o What is a well-structured relation in database design? What are the five […]

 

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Excellent points regarding needing to understand the culture

March 29, 2020 in /by

Excellent points regarding needing to understand the culture of the organization before selecting an installation approach! With a culture where resistance to change is likely, then a Pilot or Phases approach is best. Cold turkey may just put people over the edge :-(( Be aware, that when outside consultants or vendors are used for installation, […]

 

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