# 1z0-149 — Question 603

**Type:** multiple_response
**Topics:** topic_1

## Question

Which three are valid PL/SQL variable names? (Choose three.)

## Correct Answer

_See scenario._

## Explanation

A, D, E and G work on 19c.
Just tested them. Guess E is for older Oracle-Versions:
"Oracle Database 12.2 and higher have a default limit of 128 characters."

**Reference:** examtopics_top_comment

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Source: https://hiexam.net/q/oracle/1z0-149/603  
Practice (tracked): https://hiexam.net/study/1z0-149/practice