Hash structures are not the best choice for which of the following?
(a) A search key on which individual point queries are likely
(b) A search key which is invalid
(c) A search key on which range queries are likely
(d) A search key on which multi-level queries are likely
The question was asked by my college professor while I was bunking the class.
Asked question is from Dynamic Hashing topic in portion Indexing and Hashing of RDBMS