For an enterprise perspective, the data model may be a list of data subject areas. A conceptual data model for a focused solution may result in a draft of an ERD, minus the attributes, or even a ...

The data modeling course entails all the important points related to conceptual, logical, and physical approaches. You will learn to draw Entity-Relationship Diagrams (ERDs) and the normalization ...

Back in the 1970s, the ANSI SPARC three-tiered model arose, foreshadowing a smooth intertwining of data and architectural design. The three tiers concept isolated the physical storage needs of data ...