Chapter 1, Problem 2EYW

Business Rules: Each musician at NewTalent should have a name, address, and phone number on the system. The Instruments used in the songs have a unique name, musical genre (i.e. rock, pop, hip hop), and type (i.e. string, piano, guitar). Every album recorded under the NewTalent label has a title, copyright date, format, and an album identifier. Each song recorded has a title and an author. Musicians can play several instruments, and an instrument can be played by multiple musicians. Every album contains several songs, but a song can only appear on one album. Songs are performed by one or more musicians, and a musician can perform numerous songs. Each album has one musician acting as its producer, although a musician can produce multiple albums. Create an ERD for the above scenario that describes its business rules. Use Crow's Foot notations and make sure to include all of the following: All entities correctly identified with Primary key and any foreign key attributes.…

List the reasons why an index is only helpful for attributes that have a wide range of values.

Based on the ERD below, display all fields in the JOB table sorted by the largest hourly charges for the job first.