Segment organization within tablespace

Question

Hi There,
I was trying to organize objects within the tablespaces and moving things around when I got up to this:
I needed to get rid of the PROD_T3 tablespace so I moved everything out of it apart from the below
SQL> select owner,segment_name,segment_type, TABLESPACE_NAME,bytes/1024/1204 from dba_Segments where tablespace_name='PROD_T3' order by 3;
OWNER                SEGMENT_NAME                   SEGMENT_TYPE       TABLESPACE_NAME                BYTES/1024/1204
PROD                 PK_VOTER_REG_DOC               INDEX              PROD_T3                          122.471761
PROD                 SYS_IL0000186869C00026$$       LOBINDEX           PROD_T3                          .053156146
PROD                 SYS_LOB0000186869C00026$$      LOBSEGMENT         PROD_T3                          .053156146
PROD                 PLAN_TABLE                     TABLE              PROD_T3                          .106312292
PROD                 BIN$IEDOLJmsSj6isKTb5Z2cOQ==$0 TABLE              PROD_T3                          .053156146and so I started investigating each segment in the tablespace:
SQL> select owner, index_name, table_name, tablespace_name, status from dba_indexes where index_name='PK_VOTER_REG_DOC';
OWNER                INDEX_NAME                     TABLE_NAME                     TABLESPACE_NAME        STATUS
PROD                 PK_VOTER_REG_DOC               VOTER_REG_DOC                  PROD_T3                VALID
SQL> select owner, table_name, tablespace_name, status from dba_tables where table_name='VOTER_REG_DOC';
OWNER                TABLE_NAME                     TABLESPACE_NAME                STATUS
PROD                 VOTER_REG_DOC                                                 VALIDI'm a bit surprised form the above that there isn't a tablespace?!! I can describe the table and get a count for the number of rows in there:
SQL> desc prod.VOTER_REG_DOC
Name                                                                     Null?    Type
VOTER_ID                                                           NOT NULL NUMBER(10)
CARD_NO                                                              NOT NULL CHAR(9)
SQL> select count(*) from prod.VOTER_REG_DOC;
  COUNT(*)
   3656468But when I look at dba_segments, I can't see it:
SQL> select owner,segment_name, segment_type , tablespace_name from dba_segments where owner='PROD' and segment_name='VOTER_REG_DOC' order by 1,2
no rows selected
SQL>
SQL> select owner,segment_name, segment_type , tablespace_name from dba_segments where owner='PROD' and segment_name like '%VOTER_REG%' order by 2,3;
OWNER                SEGMENT_NAME                   SEGMENT_TYPE       TABLESPACE_NAME
PROD                 PK_VOTER_REG_DOC               INDEX              PROD_T3
SQL>Where am I going wrong with this? Also, I was surprised to see an object or a segment called "BIN$IEDOLJmsSj6isKTb5Z2cOQ==$0" ? I thought any BIN* would be sitting in DBA_RECYCLEBIN as the object(s) been deleted or am I wrong?
Appreciate the help.
Cheers

Answer 1

>
I believe you will find that you are looking at the definition entry for an index organized table.
select IOT_TYPE from dba_tables where table_name = 'VOTER_REG_DOC'
if it returns 'IOT' then that is what you have.
>
Bingo..
SQL> select owner, IOT_TYPE from dba_tables where table_name = 'VOTER_REG_DOC';
OWNER                IOT_TYPE
PROD                 IOTNow that's that sorted; how about the BIN$ item? can I drop this item? How can go on about investigating it?
SQL> r
  1* select owner,segment_name,segment_type, TABLESPACE_NAME,bytes/1024/1204 from dba_Segments where tablespace_name='PROD_T3' order
by segment_type
OWNER                SEGMENT_NAME                   SEGMENT_TYPE       TABLESPACE_NAME                BYTES/1024/1204
PROD                 SYS_IL0000186869C00026$$       LOBINDEX           PROD_T3                          .053156146
PROD                 SYS_LOB0000186869C00026$$      LOBSEGMENT         PROD_T3                          .053156146
PROD                 PLAN_TABLE                     TABLE              PROD_T3                          .106312292
PROD                 BIN$IEDOLJmsSj6isKTb5Z2cOQ==$0 TABLE              PROD_T3                          .053156146Edited by: rsar001 on Mar 19, 2010 1:37 PM