The following tables are modified and abbreviated versions of the database prese

Question

The following tables are modified and abbreviated versions of the database presented in our textbook: Instructors Table Last Name First Name Instructor ID Rank Woodward Jean 1228964 Professor Carson Scott 1252234 Professor LePorter Lucy1478893 Associate Professor Hamme Emanuel 1566543 Professor Valerie Jonese 1578223 Professor ScheduleTable Schedule ID Subject Instructor ID Room# 40198 ACC 1252234 H210 40211 ACC 1566543 H212 40243 ACC 1228964 H220 40344 BUS 1566543 H212 40496 ACC 1578223 H210 40603 BUS 1228964 H210 40759 BUS 1566543 H220 40804 BUS 1252234 H210 1566543 H212 40912 BUS 1578223 H220 40996 BUS 1252234 H212 40875 ACC If a one-to-many relationship is established between the tables and referential integrity is enforced with neither Cascade option selected, what will happen if you attempt to delete instructor Lucy LePorter from the Instructors table?

Explanation / Answer

if cascade option is chosen, as per updation done in primary table, corresponding rows in secondary table are deleted.

if cascade is not chosen, it doesnot allow to delete entry from primary table because, referential infomation will be lost.

Answer: option c

you will be prevented from deleting lucy from the insturctor table

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