Oracle 帶LOB欄位的表的遷移

[oracle@blliu ~]$ sqlplus test/test
SQL*Plus: Release 10.2.0.4.0 - Production on Sat Feb 27 13:27:07 2010
Copyright (c) 1982, 2007, Oracle.  All Rights Reserved.

Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
SQL> create table test (id number,description clob);
Table created.
SQL> select tablespace_name from user_segments where segment_name='TEST';
TABLESPACE_NAME
------------------------------
USERDATA
SQL> set linesize 200
SQL> col table_name format a30
SQL> col column_name format a30
SQL> col segment_name format a30
SQL> col tablespace_name format a30
SQL>  select table_name,column_name,segment_name,tablespace_name from user_lobs;
TABLE_NAME                     COLUMN_NAME                    SEGMENT_NAME                   TABLESPACE_NAME
------------------------------ ------------------------------ ------------------------------ ------------------------------
TEST                           DESCRIPTION                    SYS_LOB0000013214C00002$$     USERDATA
SQL>alter table test move tablespace users;
Table altered.
SQL> select tablespace_name from user_segments where segment_name='TEST';
TABLESPACE_NAME
------------------------------
USERS
SQL> select table_name,column_name,segment_name,tablespace_name from user_lobs;
TABLE_NAME                     COLUMN_NAME                    SEGMENT_NAME                   TABLESPACE_NAME
------------------------------ ------------------------------ ------------------------------ ------------------------------
TEST                           DESCRIPTION                    SYS_LOB0000013214C00002$$     USERDATA
SQL>alter table test move tablespace users lob(description) store as (tablespace users);
Table altered.
SQL> select tablespace_name from user_segments where segment_name='TEST';
TABLESPACE_NAME
------------------------------
USERS
SQL> select table_name,column_name,segment_name,tablespace_name from user_lobs;
TABLE_NAME                     COLUMN_NAME                    SEGMENT_NAME                   TABLESPACE_NAME
------------------------------ ------------------------------ ------------------------------ ------------------------------
TEST                           DESCRIPTION                    SYS_LOB0000013214C00002$$     USERS
SQL>
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