Course Solutions Uncategorized (Solved) : 6 Using Nested Select Statement Retrieve Department Numbers Employees Phone Extension 123 Q29868569 . . . .

(Solved) : 6 Using Nested Select Statement Retrieve Department Numbers Employees Phone Extension 123 Q29868569 . . . .

 

6. Using a nested SELECT statement, retrieve the department numbers of the employees with phone extension 123. 7. a) Add the tuple ‘D4, COMPLAINTS, E3 to the table ‘DEPARTMENT. b) Create a new department table, called NEW_DEPARTMENT that includes the tuple added in a). c) Check that NEW_DEPARTMENT exists in your database. d) Delete NEW_DEPARTMENT. e) Check that NEW_DEPARTMENT has been deleted.

6. Using a nested SELECT statement, retrieve the department numbers of the employees with phone extension 123. 7. a) Add the tuple ‘D4, COMPLAINTS, E3′ to the table ‘DEPARTMENT’. b) Create a new department table,

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