Database Management Questions

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The list below tracks customers renting videos. We sometimes need to delete customers by deleting the row containing that customer. If we delete the customer in row 2 (customer Smith, David), we also erroneously delete the data for the movie named Harvey. What is this term for this type of mistake? State LastName Johnson FirstName James Smith David Long Shelia Stevens Rachel Address City 1918 Sequoia Winter Springs FL 100 Main Ovideo FL 65 West Oviedo FL 704 Newgate Sanford FL 9099 Oak Oviedo FL 100 Main Ovideo FL 65 West Oviedo FL 704 Newgate Sanford FL 9099 Oak Oviedo FL Movie Cinderella Man Harvey Toy Story 2 Cinderella Cinderella Man Harvey Toy Story 2 Cinderella Cinderella Man Franklin Frank Smith David Long Shelia Stevens Rachel Franklin Frank deletion exception deletion anomaly deletion incongruity deletion variance The list below tracks customers renting videos. We sometimes need to change a customer's address. If we change the address for the customer in row 2 (customer Smith, David), but forget to change his address in row 6 also we now have a mistake in our list. What is this term for this type of mistake? LastName FirstName Address City State Movie Johnson James 1918 Sequoia Winter Springs FL Cinderella Man Smith David 100 Main Ovideo FL Harvey Long Shelia 65 West Oviedo FL Toy Story 2 Stevens Rachel 704 Newgate Sanford FL Cinderella Franklin Frank 9099 Oak Oviedo FL Cinderella Man Smith David 100 Main Ovideo FL Harvey Long Shelia 65 West Oviedo FL Toy Story 2 Stevens Rachel 704 Newgate Sanford FL Cinderella Franklin Frank 9099 Oak Oviedo FL Cinderella Man O update variance redo anomaly update exception update anomaly