Oracle Database - Execution Plan Predicate

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1 - About

An execution plan can show two type of predicates:

  • An access Predicate. It is a means to avoid processing unneeded data at all.
  • A filter predicate. It filters everything from child row source. The non-matching rows are thrown away.

3 - Example

SELECT * FROM employees
employee_id > 70 AND
last_name LIKE 'King%'


4 - Documentation / Reference