Multiple choice technology databases

Oracle treats zero-length character strings as nulls.

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Oracle treats empty strings ('') as NULL, unlike many other databases. This means '' = NULL evaluates to TRUE (unknown), and empty strings require NVL or COALESCE handling. This is a critical Oracle-specific behavior for string operations.

Keep practicing — related questions