How to compare two databases, without dblink?

Question

Hi all,
I need to compare two differents databases, but I can't create a database link, and for make this task worse, I need to do this using a shell script, because it will run directly in the server.
Anybody can help me?
Tx,
Everson
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Answer 1

Hi Justin,
I made the script, and it was working pretty well, but when I was running in the production environment, I get the information that I need to connect with one user and get the ddl to another user, ok, I change the script but now I'm receving the error ORA-31603.
SQL> show user
User is "tstsge3"
SQL> select dbms_metadata.get_ddl('TABLE','INTBD_INS_ACIONAMENTO','TSTINTBD3') ddl from dual;
select dbms_metadata.get_ddl('TABLE','INTBD_INS_ACIONAMENTO','TSTINTBD3') ddl from dual
ORA-31603: object "INTBD_INS_ACIONAMENTO" of type TABLE not found in schema "TSTINTBD3"
ORA-06512: at "SYS.DBMS_SYS_ERROR", line 105
ORA-06512: at "SYS.DBMS_METADATA", line 2805
ORA-06512: at "SYS.DBMS_METADATA", line 4333
ORA-06512: at line 1
SQL> select table_name from all_tables where owner = 'TSTINTBD3' and table_name = 'INTBD_INS_ACIONAMENTO';
TABLE_NAME
INTBD_INS_ACIONAMENTO
SQL>
I took a look on the internet and metalink, and saw some notes about grant SELECT_CATALOG_ROLE to the connect user, but I can't do this in my customer.
Is ther another solution?
Tx,
Everson