00904 Oracle Error
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Oracle Sql Ora-00904 Invalid Identifier
ORA-00904: invalid identifier Cause You tried to execute a SQL statement that included an invalid column name or the column name is missing. This commonly occurs when you reference an invalid alias in a SELECT statement. Resolution The option(s) to resolve this Oracle error are: Option #1 Rewrite your SQL to include a valid column name. To be a valid column name the following criteria must be met: The column name must begin with a letter. The column name can not be longer than 30 characters. The column name must be made up of alphanumeric characters or the following special characters: $, _, and #. If the column name uses any other characters, it must be enclosed in double quotation marks. The column name can not be a reserved word. Let's look at an example of how to resolve an ORA-00904 error. For example, if you ran the following SELECT statement, you would receive an ORA-00904 error: SQL> SELECT contact_id AS
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Oracle Invalid Identifier
the workings and policies of this site About Us Learn more about pl/sql ora-00904 invalid identifier Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow ora-00904 version invalid identifier Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each https://www.techonthenet.com/oracle/errors/ora00904.php other. Join them; it only takes a minute: Sign up ORA-00904: invalid identifier up vote 24 down vote favorite 10 I tried to write the following inner join query using an Oracle database: 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 That http://stackoverflow.com/questions/6027961/ora-00904-invalid-identifier gives the below error: INNER JOIN PS_TBL_DEPARTMENT_DETAILS Team ON Team.DEPARTMENT_CODE = Employee.DEPTID * ERROR at line 4: ORA-00904: "TEAM"."DEPARTMENT_CODE": invalid identifier 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 sql database oracle ora-00904 share|improve this question edited Jun 1 at 19:45 Abhishek 682721 asked May 17 '11 at 8:05 Navaneethan 53551028 Are you sure the column name Department_Code is spelled correctly? –Fabrizio D'Ammassa May 17 '11 at 8:20 Yes there is a column Department_Code –Navaneethan May 17 '11 at 9:26 add a comment| 7 Answers 7 active oldest votes up vote 55 down vote accepted Your problem is those pernicious double quotes. SQL> CREATE TABLE "APC"."PS_TBL_DEPARTMENT_DETAILS" 2 ( 3 "Company Code" VARCHAR2(255), 4 "Company Name" VARCHAR2(255), 5 "Sector_Code" VARCHAR2(255), 6 "Sector_Name" VARCHAR2(255), 7 "Business_Unit_Code" VARCHAR2(255), 8 "Bu
Digital Records Management Enterprise Content Management Strategy Digital Asset Management Oracle Imaging & Process Management Web Content Management Oracle WebCenter Portal Enterprise Portal Support Enterprise Portal Strategy Enterprise Portal Upgrade Oracle WebCenter Sites Sourcing Staffing & Recruiting https://www.tekstream.com/resources/ora-00904-invalid-identifier/ Recruiting Managed Services Candidate Registration Technical Focus Client Opportunities Support Solutions Training Legacy to Oracle WebCenter Oracle Documents Cloud Service Next Generation AP Automation & Dynamic Discounting Oracle WebCenter Contract Lifecycle Management (CLM) Search ORA-00904: invalid identifierYou are here: Home / Resources / ORA-00904: invalid identifier Ora-00904 Error Message “Invalid Identifier” Error Ora-00904 means you are attempting to execute an SQL statement invalid identifier that is one of the following: The SQL statement includes an invalid column name. The SQL statement includes a column name which does not currently exist. This error is most common when querying a SELECT statement. To resolve this error, first check to make sure the column name being referenced exists. If it does not exist, you must create one before attempting to execute an SQL statement with ora-00904 invalid identifier the column. If the column name exists, be sure to check that the column name is in the proper syntax. To be valid, the column name must meet the following criteria: The column name cannot be a reserved word. The first letter of the column name must be a letter. The column name must be less than or equal to 30 characters. The column name must be made up of alphanumeric characters. The column name can contain any of the following 3 characters: $, _, #. If the column name includes any other characters, it must be enclosed with double quotation marks. The following is an example of an SQL statement containing Error Ora-00904: SELECT column_name AS "column_id" FROM table ORDER BY column_id; In this example, the name “column_id” is aliasing the column_name, which is later queried as column_id. Notice the missing double quotation marks in the second column_id. To resolve the error, follow the proper syntax by enclosing “column_id” in double quotation marks: SELECT column_name AS “column_id” FROM table ORDER BY “column_id”; To avoid seeing error Ora-00904 in the future, make sure the column name meets the criteria for a