Each of the following series of records consists of a four-digit primary key (with no duplicates) and a four-character secondary key (with many duplicates).

(a) Show the inverted list (as illustrated by Figure 10.4) for this collection of records.

(b) Show the improved inverted list (as illustrated by Figure 10.5) for this collection of records.

Transcribed Image Text:

3456 DEER 2398 DEER 2926 DUCK 9737 DEER 7739 GOAT 9279 DUCK 1111 FROG 8133 DEER 7183 DUCK 7186 FROG