i am using gupta team developer 4.2 and we have developed our business applications on that, connected with ORACLE 11G.
while performing one of application function, i am getting an SQL error 20904.
please let me know what kind of error is this and where to look to fix this.
If errornumber >= 20.000 subtract 20.000 then you get Oracle-error-number.
20904 = ORA-00904: ORA-00904: invalid column name, string: invalid identifier Cause: The column name entered is either missing or invalid.
You tried to execute a SQL statement that included an invalid column name or the column name is missing.
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.
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