An electronics goods store has electronic devices, such as mobile phones, laptops, televisions, and refrigerators for sale.
a. is it possible to apply supertype/subtype hierarchy to the above situation? how?
b. construct an eer diagram. which specialization rule (completeness constraint) does it satisfy?
c. can you think of any possible scenario in which the diagram satisfies the other specialization rule? d. consider that the owner has decided to sell both new and old products for resale. how will you incorporate this into the diagram?

If you embed a word table into powerpoint, what happens when you make edits to the embedded data? a. edits made to embedded data change the data in the source file; however, edits made to the source file will not be reflected in the embedded data. b. edits made to embedded data don't change the data in the source file; however, edits made to the source file will be reflected in the embedded data. c. edits made to embedded data don't change the data in the source file, nor will edits made to the source file be reflected in the embedded data. d. edits made to embedded data will change the data in the source file, and edits made to the source file will be reflected in the embedded data.

Which factor is the most important when choosing a website host? whether customers will make secure transactions the number of email accounts provided the purpose of the website the quality of the host control panel

People with high self-esteem: accept their strengths and weaknesses. believe that failed experiences are failures of their whole self. feel good about who they are only when they reach total success. need positive external experiences to counteract negative feelings that constantly plague them.