Hello, I am learning postgreSQL and the following is my assignment. My question is below the schema. Thanks for any help you can provide.
This is my schema.
I have been
My task is to submit a SQL query that lists employee IDs who serve the same customer, along with the customer ID. The first several rows of output of your query should look like the following:
I have been able to figure out basic queries that will show me employees and the customers they worked with but I have not been able to figure out how to show employees who serve the same customer.
Thank you for any help you can provide.
- Attachment 1
- Attachment 2
EmployeeOrderIDCustomerDoLastNameCustomerIDCompanyNameFirstNameEmployeeIDContactNameTitleOrderDateContact TitleTitle OfCourtesyRequired DateAddressBirth DateShipped DateCityHire DateShipViaRegionAddressFreightPostalcodeCityShip NameShipper IDCountryRegionShip AddressCompany NamePhonePostalcodeShip CityPhoneFoxCountryShipRegionHomephoneShippostal CodeExtensionShip CountryPhotoNotesSuppber IDReports ToCompany NameProductIDContactNameProductNameContact TitleSupplierIDAddressCategoryIDCityProductQuantity PerUnitRegionUnitpriceCategory IDPostalcodeUnitpriceUnitsInStockCategory NameCountryQuantityUnits OnordeDescriptionPhoneDiscountReorderLevelPictureFaxDiscontinuedHome Page
