ORA-00904 string: invalid identifier
Oracle Database Error Code Messages ORA-00904 About Help Description;
String: invalid identifier.
Problem Error Cause;
The column name entered is either missing or invalid.
How to Solve; ORA-00904 string: invalid identifier?
Fix Action for Solve Ora-00904;
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 other characters, then it must be enclosed in double quotation marks. It may not be a reserved word.
