Multiple choice technology databases

What is the maximum number of Nested SubQueries used in WHERE Clause?

  1. 255

  2. 256

  3. 300

  4. 225

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A Correct answer
Explanation

Database management systems like Oracle support nesting of subqueries in the WHERE clause up to a maximum depth of 255 levels. Exceeding this limit results in a database compilation or execution error, making 255 the correct limit, while other options are incorrect.