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Q1) What is meant by the cardinality of a relationship? Your answer needs to be thorough and specific. Be sure to include the two types of cardinality and also include the four possible primary relationship cardinalities.
Give examples of binary 1:N relationships, for (a) an optional-to-optional relationship, (b) an optional-to-mandatory relationship,
You have probably seen that already when you tried to create an E-R diagram. Visio uses notation and graphical shapes that are not the same as those in your text. If you look at some of the links to schemas, you will see a similar sort of thing.
Identify the business processes which would be evaluated and tracked with a DW/BI application and state your reasoning or justification for including these in the DW/BI.
Identify and explain the differences between a stack and a queue data structure
Draw the E/R diagrams for the business rules
creating database structure using SQL
Examine different sales transactions. Design a context diagram and a level-0 diagram that represent the selling system at the store.
Monitor Renal Outcomes in patients post cardiac bypass surgery?
Create ERD containing Order and Customer entity types connected by 1-M relationship from Customer to Order. Select suiatble relationship name using your common knowledge of intersection.
It is not uncommon to have to access the data which reside in different tables, especially when formulating a report.
Evaluate the success WellCo and PharmaCARE shareholders
Draw an ER diagram for database scenario. Design a set of 3NF tables for your database scenario.
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