Enter an additional record in the Session table with the PatientNum 1022. What happens when you try to move onto another record? What is the error message? Why?

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Expert Solution

When you type in the record and try to move to a new record, you receive a dialog box that has a warning message that says “You cannot add or change a record because a related record is required in the table ‘Patient’“. This is because there is a one to many relationship with referential integrity between the tables Patient and Session. This prevents an entry of a new PatientNum in the Session table without first having that PatientNum recorded in the Patient table.

Dialog warns of required related record in "Patient" table due to one-to-many relationship, enforcing referential integrity.

Junaid answered 4 months ago

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