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If we will set the delete action CASCADE in between Parent Table Vehicle and Related Table CAR and again if we will set the delete action CASCADE RESTRICTED in between Table CAR and Related Table CarManufacturer. Table CarManufacturer is child or related table of Table CAR and similarly Table CAR is child or related table of parent Table Vehicle. parent table Vehicle & related tables Car & CarManufacturer. Second type and option is CASCADE RESTRICTED.

If you are going to use RESTRICTED delete action or On delete property then on deletion of record in TABLE A, system will not validate records in related Table B.If related record exits in Table B then system will not allow you to delete record in Table A and throw an error For example : If you have one parent table A and you have one child or related table B. If you are going to use CASCADE delete action or On delete property then on deletion of records in TABLE A, related records in TABLE B will also get deleted. No matter what approach you choose you have only 3 options available.This include defining “On Delete” property Below is the screenshot: Second one is new approach and recommended in Microsoft Dynamics 365 for finance and operations.First one is traditional approach which was also available in Microsoft Dynamics AX i.e.

But in Microsoft Dynamics 365 finance and operations we have 2 options available.

Before the release of Microsoft Dynamics 365 for operations, in Microsoft Dynamics AX, there was only one option available i.e Delete Actions.

The delete action and OnDelete property (available only Microsoft D365 finance and operations) helps to maintain database consistency.

Cascade, Restricted & CascadeRestricted.

Delete Actions and OnDelete property indicates how deletions in the main table are handled in the related tables or child tables.There are 3 types of options are available i.e.