Database. SQL DML/ DDL using oracle.

1. List the names of employee and dependent. Also, include employees without any dependents.

2. For the employees which earn less or equal to 7000, list the employee names, their department names, and dependent names.

The following relational schema forms part of an Employees database. The primary keys are underlined and foreign keys are in italics. Job (jobID, job Title, minSalary, maxSalary) Dependent (dependentID, firstName, lastName, relationship, employeeID) Department (departmentID, departmentName, locationID) Location (locationID, street, postcode, city, state) Employee employeelD, firstName, lastName, phoneNumber, salary, jobID, departmentID) Employee employeeID works as jobID at a department departmentID located at locationID. The employee has dependent(s) dependentID