ORA-00904 invalid identifier

0 votes

I am getting this error while doing an  inner join query using the oracle database:

 INNER JOIN PS_TBL_DEPARTMENT_DETAILS Team ON Team.DEPARTMENT_CODE = Employee.DEPTID
                                              *
ERROR at line 4:
ORA-00904: "TEAM"."DEPARTMENT_CODE": invalid identifier

Inner join query:

 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

The DDL of one table is:

CREATE TABLE "HRMS"."PS_TBL_DEPARTMENT_DETAILS"
(
  "Company Code" VARCHAR2(255),
  "Company Name" VARCHAR2(255),
  "Sector_Code" VARCHAR2(255),
  "Sector_Name" VARCHAR2(255),
  "Business_Unit_Code" VARCHAR2(255),
  "Business_Unit_Name" VARCHAR2(255),
  "Department_Code" VARCHAR2(255),
  "Department_Name" VARCHAR2(255),
  "HR_ORG_ID" VARCHAR2(255),
  "HR_ORG_Name" VARCHAR2(255),
  "Cost_Center_Number" VARCHAR2(255),
  " " VARCHAR2(255)
)
SEGMENT CREATION IMMEDIATE PCTFREE 10 PCTUSED 40 INITRANS 1 MAXTRANS 255 NOCOMPRESS

Can someone help me with this?

May 20, 2022 in Database by Kichu
• 19,050 points
370 views

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