If you were to create an$$INNER JOIN$$between these two $(2)$ tables

TrainingCourse, and

TrainingCompletion,

$$

how many records would be returned?

$$

If the answer cannot be determined from the information provided, enter the number zero $(0).$

Assume there are no NULL values in any key fields. Volunteers volunteer to help with hiking trail maintenance and must record their hours worked. Prior to their volunteer work on trails, and depending on the type of trail work, volunteers may also be required to complete one or more training courses. Assume no NULL values in any of the key fields $($primary and foreign key fields$).$