Create a table employee having dept_id as number datatype and employee_spec as XML datatype (XML Type). The employee_spec is a schema with attributes emp id, name, email, acc_no, managerEmail, dateofjoining. Insert 10 tuples into employee table. Execute  the following queries on XML database. 1. Retrieve the names of employee. 2. Retrieve the acc_no of employees. 3. Retrieve the names, acc_no, email of employees. 4. Update the 3rd record from the table and display the name of an employee

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