Oracle Execute Error Ora-00904
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Oracle Invalid Identifier But Column Exists
error message in Oracle. Description When you encounter an ORA-00904 error, the following error message will appear: 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 00904. 00000 - "%s: invalid identifier" 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 "c_id", last_name, first_name 2 FROM contacts 3 ORDER BY "cid"; ORDER BY "cid" * ERROR at line 3: ORA-00904: "cid": invalid identifier This error was created by aliasing a column, but then mistyping the alias later. In this example, we created the alias called "c_id" for the contact_id, but then called it as "cid" in the ORDER BY clause. To resolve this error, we can modify our SELECT statement to use the correct alias name in the ORDER BY clause as follows: SQL> SELECT contact_id AS "c_id", last_name, first_name 2 FROM contacts 3 ORDER BY "c_id"; 10 rows selected Share this page: Advertisement Back to top Home | About Us | Contact Us | Testimonials | Donate While
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ora-00904 invalid identifier hibernate ORA-00904: STRING: invalid identifier tips Oracle Error Tips ora-00904 invalid identifier in oracle forms by Burleson Consulting Question: I am running a SQL statement and I get a SQL*Plus error ORA-00904 invalid identifier. ora-00904 invalid identifier create table Answer: When ORA-00904 occurs, you must enter a valid column name as it is either missing or the one entered is invalid. The "invalid identifier" most common happens when you are referencing an invalid https://www.techonthenet.com/oracle/errors/ora00904.php alias in a select statement. The Oracle docs note this on the ORA-00904 error: ORA-00904 string: invalid identifier Cause: The column name entered is either missing or invalid. Action: Enter a valid column name. A valid column name must begin with a letter, be less than or equal to 30 characters, and consist of only alphanumeric characters and the special characters $, _, and #. If it contains http://www.dba-oracle.com/t_ora_00904_string_invalid_identifier.htm other characters, then it must be enclosed in double quotation marks. It may not be a reserved word. To avoid ORA-00904, column names cannot be a reserved word, and must contain these four criteria to be valid: begin with a letter be less than or equal to thirty characters consist only of alphanumeric and the special characters ($_#); other characters need double quotation marks around them Another important factor in correcting ORA-00904 is remembering to run catproc.sql You can also check your trace file to find the particular error which is causing the ORA-00904 to occur. You can find case for review regarding error ORA-00904 at this congruent Burleson Consulting site. �� Burleson is the American Team Note: This Oracle documentation was created as a support and Oracle training reference for use by our DBA performance tuning consulting professionals. Feel free to ask questions on our Oracle forum. Verify experience! Anyone considering using the services of an Oracle support expert should independently investigate their credentials and experience, and not rely on advertisements and self-proclaimed expertise. All legitimate Oracle experts publish their Oracle qhere for a quick overview of the site Help Center Detailed answers to any questions you might have Meta http://stackoverflow.com/questions/6027961/ora-00904-invalid-identifier Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 6.2 million programmers, just like invalid identifier you, helping each 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 00904 invalid identifier Team.DEPARTMENT_CODE = Employee.DEPTID That 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 871822 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 57 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(