queries and optimization

Project Description:

provide the sql code (and screen shots) based on the following criteria:

you must deliver five (5) queries in total for this task.
one of your five queries must select from three (3) different tables.
four of your queries must select from two (2) tables.
include comments on how you are using the optimization rules you described and discussed earlier.
Skills Required:
Project Stats:

Price Type: Negotiable

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