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Convert the following textual description to an entity - relationship diagram in UML notation. Please spend time differentiating between entities, attributes, relationships and values of
Convert the following textual description to an entity
relationship diagram in UML notation. Please spend time differentiating between entities, attributes, relationships and values of attributes. If you are identifying a strong entity
make sure you identify a primary key for it
You are not required to use superclass
subclass hierarchy for any of these problems, but may choose to do so if you wish. Remember, weak entities do not have a primary key. You are not required to use superclass
subclass hierarchy for any of these problems, but may choose to do so if you wish.
A recipe contains a unique title, a creator, and a creation date. A spice is listed as an ingredient to a recipe. A recipe can have to many spices associated with it A spice can be associated with to many recipes. A spice is stored in a spice jar and these two terms can be considered synonyms. A spice jar has a unique spice name, the weight of the spice, a color of the spice and a flavor for the spice. A spice jar is located on a pantry shelf in one specific location. A pantry shelf has a unique shelf number as well as the date when it was last cleaned. A spice jar is located on one specific shelf in a particular location. A shelf location can store to spice jars. A spice jar is located in location on a specific shelf. A shelf can store to many spice jars but a spic jar can only be stored on one shelf.
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