A table in a database holds the attributes for one entity only. Data can then be added in the form of records. Rather than storing information in one table, relational databases store data across ...
I have always used Visio to build database schemas. However, with the latest version of Visio, I think Microsoft has really dropped the ball -- the cardinalities are microscopic and nearly impossible ...
In building a logical data model, some entities are considered strong, other entities are considered weak. Strong entities are the most foundational elements within a nascent Entity-Relationship ...
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