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Question : User_Segments
Hello
I am using Oracle XE on Linux. I took export from my schema using rows=N which exported a blank schema.
I imported that to a new server. My tables are empty but when I check the segment size the show many MBs for each table? Why is so? Is there a way to reduce the size?
select segment_name, sum(bytes/1024/1024) mb
from user_segments
group by segment_name
order by 2 desc;
Here are first few rows:
SEGMENT NAME SEGMENT_TYPE MB
SALES_ORDER_PROCESSES_PK INDEX 28
ITEMS TABLE 14
ITEM_STATIONS_CMB_IDX INDEX 12
ITEM_STATIONS TABLE 11
When I check if there is any data in a table:
select count(*) from items;
It returns 0.
Any help will be appreciated.
Answer : User_Segments
As I mention in my comment :
http:#33136694
use like
exp Poracle/oracle file='pt.dmp' tables='PT' rows=N COMPRESS=N
You miss "Rows=N" in your Export command
and then import table.
IMP SCOTT/TIGER FILE='pt.dmp' ROWS=N FROMUSER=Poracle TOUSER=SCOT
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