| Importing Problem [message #116158] |
Mon, 18 April 2005 05:37  |
srix5
Messages: 11
Registered: March 2005
Location: Bangalore
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Junior Member |
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Hi All,
We have a small development database ( Oracle 8.1.7 under Linux ). We have exported and imported some tables from our production database to our development database. Among the five tables imported only one table is throwing OBJECT NOLONGER EXISTS error. DT is the table name which contains 30 Lakhs rows. We have truncated the previous data in it and imported (not dropped and imported).
But select count(*) from DT throws OBJECT NOLONGER EXISTS error. But desc DT is displaying the description and select count(*) from DT where rownum<265000 also works. Only sum,count,max are throwing the above error. And select count(*) from DT also throwing the same error.
System tablespace is wrongly assigned to this user as default tablespace. They just created a user, but didn't assigned any tablespace to him as default one ( i know this should not happen but in this case it happened ). Is this a cause for the above error...?
Also our rollback segment tablespace has got only a total size of 516MB. Should i increase it by adding some datafiles to the RBS tablespace....? Upto what size for 30lakhs records. Is this a cause for the above error...?
Some times some other error also we are receiving. INVALID ROWID is the error thrown after the second time of importing done. How to get rid out of this...?
Thanks in advance.
- Sridhar Krishnan.
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| Re: Importing Problem [message #116166 is a reply to message #116158] |
Mon, 18 April 2005 07:06  |
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Mahesh Rajendran
Messages: 10708
Registered: March 2002
Location: oracleDocoVille
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Senior Member
Account Moderator |
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>>We have truncated the previous data in it and imported (not dropped and imported).
Why not drop and recreate!.
In most cases, this Indicates a block level corruption.
( and how check if the count of rows in dual table is more than one).
Else,
In source database try to create a new table from DT.
sqL> create table new_DT as select * from DT;
Try exporting this new_DT and import in new database.
[Updated on: Mon, 18 April 2005 07:06] Report message to a moderator |
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| Re: Importing Problem [message #116169 is a reply to message #116166] |
Mon, 18 April 2005 07:28 |
srix5
Messages: 11
Registered: March 2005
Location: Bangalore
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Junior Member |
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Hi Mahesh,
Thanks for the reply.
DT is the name of the table and it is not DUAL TABLE.
If i increase the rollback segment tablespace size by adding datafiles to it, can i get rid out of this error...?
There is no block level corruption.
On second import it is throwing INVALID ROWID error.
- Sridhar Krishnan.
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