Question

Oracle import a subset of a table

Asked by: ralph_rea

Hi,
I've an Oracle dmp (myfile.dmp) and I'd like to import only a subset of the table CITY.
I'd like to load only this data:
select *
from city
where city_id like 'LON%'

How can I import this substet with import utility?

Thanks in advance!

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Asked On
2009-11-04 at 15:09:25ID24872919
Topics

Oracle Database

,

Oracle 10.x

Participating Experts
3
Points
500
Comments
5

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Answers

 

by: angelIIIPosted on 2009-11-04 at 15:11:39ID: 25745132

you cannot.
you have to load the entire table (you could load it into a different schema), and then copy from there with the SELECT you need.

 

by: sdstuberPosted on 2009-11-04 at 17:33:08ID: 25746006

alternatively, you can create a constraint  on your table that only allows city_id like 'LON%'  and then import with ignore=Y

all of your non-LON  cities will generate a constraint violation and be skipped

 

by: sventhanPosted on 2009-11-05 at 01:04:27ID: 25747723

Try IMPDP with QUERY parameter.

TABLES:CITY
DUMPFILE=dump_dir
QUERY= CITY:"WHERE CITY  LIKE 'LON%'"

 

by: sventhanPosted on 2009-11-05 at 01:18:39ID: 25747798

Are you using Oracle Data Pump export utility or conventional exp to create the dump file? Mine would only work if you had used EXPDP.

 

by: sventhanPosted on 2009-11-05 at 01:38:59ID: 25747878

20120131-EE-VQP-002

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