If you do not intend to use variable substitution, you can avoid the problem by turning off variable substitution.

• A. True
• B. False
• C. Not applicable
• D. Unknown

Answer: (A)

Variable substitution replaces placeholders in SQL with runtime values. If you don’t plan to use those placeholders, turning off variable substitution stops any automatic replacements, so your SQL is interpreted exactly as written. This is why the statement is correct: disabling substitution removes the chance of unintended substitutions causing errors or misinterpretation. In practice, turning it off is a safe default when you don’t need substitution, especially to avoid accidental token replacements like ${var} or $var inside your code.