Database Networking (MOSC)

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ora-904 invalid identifier

edited Feb 25, 2020 4:06AM in Database Networking (MOSC) 3 commentsAnswered

Hi,

I have two 12.2.0.1 databases and a database link is used  to connect both databases.

When I select a column  from  a remote table (a select like this select kolom1 from owner.tab1@remotedb) I get the following error:

ERROR at line 1:

ORA-00904: "OWNER"."P"."SYS_C00116_19122011:29:12$": invalid identifier

ORA-02063: preceding line from REMOTEDB

The remote table OWNER.TAB1 has hidden columns and SYS_C00116_19122011:29:12$  is on of the hidden columns.

This seems to be causing the issue.

Why is Oracle trying to fetch hidden columns? I try to select only column kolom1.

I did trace the ftech and Oracle does a

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