Nested tables sparse & delete arbitrary elements, rather just removing an item from end - PL/SQL

Q.  Nested tables can be sparse: you can delete arbitrary elements, rather than just removing an item from the end.
- Published on 08 Jul 15

a. Yes
b. No

The nested tables and the varrays are the one that we need to select upon. A nested table is a dimensional array with arbitary elements.

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