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ORA-00904 : 잘못된 식별자
Oracle 데이터베이스를 사용하여 다음 내부 조인 쿼리를 작성하려고했습니다. 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 다음과 같은 오류가 발생합니다. INNER JOIN PS_TBL_DEPARTMENT_DETAILS Team ON Team.DEPARTMENT_CODE = Employee.DEPTID * ERROR at line 4: ORA-00904: …