Introduction to Relational Databases Challenge 2.1 (WGU)
Which result set requires a JOIN? a.) Showing all track names with genre names b.) Showing all track names with genre IDs c.) Showing all genre names with genre IDs d.) Showing all track names with both genre ID and track ID Which result set requires a JOIN? a.) Showing all invoice totals with both customer ID and invoice ID b.) Showing all customer names with customer IDs c.) Showing all invoice totals with customer last names d.) Showing all invoice totals with customer IDs Which result set requires a JOIN? a.) Showing all album titles with both artist ID and album ID b.) Showing all album titles with artists' names c.) Showing all artist names with artist IDs d.) Showing all album titles with artist IDs Which of the following data models is eligible for a NATURAL JOIN? a.) album album_id * title artist_code (FK) artist artist_code * name b.) album
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introduction to relational databases challenge 21
