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ORA-00904: Ungültige Kennung
Ich habe versucht, die folgende Inner Join-Abfrage mithilfe einer Oracle-Datenbank zu schreiben: SELECT Employee.EMPLID as EmpID, Employee.FIRST_NAME AS Name, Team.DEPARTMENT_CODE AS TeamID, Team.Department_Name AS teamname FROM PS_TBL_EMPLOYEE_DETAILS Employee INNER JOIN PS_TBL_DEPARTMENT_DETAILS Team ON Team.DEPARTMENT_CODE = Employee.DEPTID Das ergibt den folgenden Fehler: INNER JOIN PS_TBL_DEPARTMENT_DETAILS Team ON Team.DEPARTMENT_CODE = Employee.DEPTID * …