Multiple choice technology databases

Which of the following is non-PL/SQL variable?

  1. Scalar

  2. LOB

  3. Reference

  4. host

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

In PL/SQL, host variables are declared in the host environment (like C, Java) and used to pass values to/from PL/SQL blocks. PL/SQL variables include Scalar, LOB, and Reference types - but host variables are external.