sql - ORA-00904: invalid identifier - Stack Overflow I was doing an Oracle database link exercise mixed with join queries and this was exactly my problem I was getting ORA-00904: "A" "NOMBRE": invalid identifier errors and such, and the problem was solved adding double quotes in the column names where the errors popped –
Oracle client ORA-12541: TNS:no listener - Stack Overflow ORA-12541: TNS:no listener Cause: The connection request could not be completed because the listener is not running Action: Ensure that the supplied destination address matches one of the addresses used by the listener - compare the TNSNAMES ORA entry with the appropriate LISTENER ORA file (or TNSNAV ORA if the connection is to go by way of an
Why do I have ORA-00904 even when the column is present? ORA-00904-invalid identifier errors are frequently caused by case-sensitivity issues Normally, Oracle tables and columns are not case sensitive and cannot contain punctuation marks and spaces Normally, Oracle tables and columns are not case sensitive and cannot contain punctuation marks and spaces
SQL Error: ORA-12899: value too large for column ORA-12899: value too large for column "EXPORT_CODE" (actual: 12, maximum: 480) The problem is, that my code column is varchar2(120) so substr is up to 120 characters One can find, when creating a temporary table:
ORA-03150: end-of-file on communication channel for database link ORA-03150: end-of-file on communication channel for database link ORA-02063: preceding line from DBPREMOTE ORA-06512: at "DBLOCAL JOB_NAME", line 710 ORA-06512: at line 1 Line 710 is the first line of a procedure: execute immediate 'set constraints all deferred';