DATA MODELING III : LSUS

DATA PROCESSING SSS2 FIRST TERM           

WEEK 6

DATA MODELING III

Contents

Significance of Data Model

The data model is a great communication tool because it facilitates interaction and communication between the designers, programmers and ends users. In essence, it does not allow one party’s bias towards a certain view of data (whether they consider it to be most important) to take hold.

  1. A well-developed data model can even foster an improved understanding of the organization for which the database design is developed.
  2. Data models help in structuring and organizing data. These data structures are then typically implemented in a database management system which is used mostly by organizations for decision-making.
  3. In addition to defining and organizing the data, data modelling will impose (implicitly or explicitly) constraints or limitations on the data placed within the structure

Standard Data Model

A standard data.... View More

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