How to migrate a table from ORACLE 10g to 8i

have table named 'liuxg_tab_01' in 10g.
This morning I exported this table using 'exp' and then tried to imp it into 8i, I failed.
After a while, I created a database link named 'ctf' in 8i which connected to 10g. I issued 'create table test as selct * from liuxg_tab_01@ctf',it returns 'ORA-01723'.
Then I extraced the DDL of 'liuxg_tab_01' from 10g with QUEST TAOD, it's:
CREATE TABLE LIUXG_TAB_01
OWNER VARCHAR2(30 BYTE),
OBJECT_NAME VARCHAR2(30 BYTE),
SUBOBJECT_NAME VARCHAR2(30 BYTE),
OBJECT_ID NUMBER,
DATA_OBJECT_ID NUMBER,
OBJECT_TYPE VARCHAR2(19 BYTE),
CREATED DATE,
LAST_DDL_TIME DATE,
TIMESTAMP VARCHAR2(19 BYTE),
STATUS VARCHAR2(7 BYTE),
TEMPORARY VARCHAR2(1 BYTE),
GENERATED VARCHAR2(1 BYTE),
SECONDARY VARCHAR2(1 BYTE)
But I can not create a table using the upper DDL in 8i if I do not wipe off those "BYTES".
After creation of the table using the upper DDL without those 'BYTES', I sucessfully executed 'insert into LIUXG_TAB_01 select * from liuxg_tab_01@ctf'.
Anyone has a better method to move a table from ORACLE 10g to 8i?

1) The particular version of 8i and 10g in use here would be useful. I'm not sure that Oracle supports database links between any version of 8i and any version of 10g, though, so you're probably lucky that it worked as well as it did.
10g 10.1.0.3.0 and 8i 8.1.7.0.0
2) What version of the export utility did you use? You would need to use the 8i version to generate the dump file to have any chance of working, not the 10g verion.
I use the 'exp' provided with 10g 10.1.0.3.0 and 'imp' with 8i 8.1.7.0.0. I have tried to export data directly from 10g 10.1.0.3.0 using 'exp' provided with 8i 8.1.7.0.0. Failed.
3) Why? Since 8i is desupported, there isn't a lot of call for tools to move data from supported releases to unsupported releases.
We have an 8i DB which is still porivding insentive services. We just wanna migrate some tales from 10g to it.
FYI, NLS_LENGTH_SEMANTICS was introduced in 9i, so it's no suprise that 8i objected to the BYTE keyword in the DDL.
What's FYI :P
Another option would be to generate a CSV file of the data from 10g and use SQL*Loader to load it into 8i. Not sure this would be any easier, though.
Justin
Message was edited by:
user510846

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