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Hey guys, I am Venkat and in this video, well answer an interview question faced by one of our Youtube channel subscribers in a sql interview. To be able to answer this sequel question and any related follow-up questions, you need to have a good understanding of foreign key constraints, cascading deletes and transactions. We discussed these concepts in detail in this sql server tutorial for beginners course. Ill include the link in the description of this video. Now, the question in the interview goes like this, we have two tables - Table A and Table B. If I delete a row from Table A, all the related rows in Table B must also get deleted, how do we achieve this in sql server? To give it a bit more context and clarity, instead of Table A and Table B, lets use Departments and Employees tables. When a row from Departments table is deleted, all the related rows from the Employees table must also be deleted. For example, if we delete the IT department row