Associative arrays is also known as index-by tables - PL/SQL Collections and Records
Q. Which collection types is also known as index-by tables, lets you look up elements using arbitrary numbers and strings for subscript values?- Published on 08 Jul 15
a. Associative arrays
b. Nested tables
d. None of the above
ANSWER: Associative arrays
The associative arrays helps us to look up to the elements using arbitary numbers and strings for subscript values. They are similar to hash tables.