oracle, Extend your CREATE TABLE statement from problem 3 with referential integrity, Database Management System

oracle, Database Management System

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Extend your CREATE TABLE statement from problem 3 with referential integrity constraints. Updates and deletes on related rows are restricted. 6. From examination of the sample data and your common understanding of order entry businesses, are null values allowed for the foreign keys in the OrderTbl table? Why or why not? Extend the CREATE TABLE statement in problem 5 to enforce the null value restrictions if any.

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oracle, Database Management System

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