How do you move a LOB segment?

How do you move a LOB segment?

How to move lob segment to another tablespace

1. Follow below steps from moving lob segment from one tablespace to another.
2. SQL> alter table DBACLASS.
3. SQL> select table_name,COLUMN_NAME,SEGMENT_NAME,TABLESPACE_NAME from dba_lobs where OWNER=’DBACLASS’;

How do you reclaim space from a LOB segment?

Reclaim unused rows by running the following command: ALTER TABLE SHRINK SPACE; Reclaim unused LOB columns by running the following command: ALTER TABLE MODIFY LOB () (SHRINK SPACE);

How do I move a LOB segment to another tablespace in Oracle?

The I use this SQL to move this lob to different table space: ALTER TABLE table_name MOVE LOB(lob_column) STORE AS (TABLESPACE tablespace_name);

How do you move a table with a LOB column?

Moving oracle tables with lob columns to another tablespace

1. Move table.
2. Rebuild indexes (and move them to the new tablespace if you wish so)
3. Move the lob segment.
4. Enable row movement.
5. Shrink the table and lob segment.

How do you rebuild a LOB index?

Commands to rebuild Index, Partitioned Index, LOB Index, IOT (Index Organized Table)

1. To rebuild the partitioned index: set pagesize 1000.
2. To rebuild the LOB index: select ‘alter table ‘||owner||’.’||table_name||’ move tablespace TARGET_TABLESPACE ‘||chr(10)||
3. To rebuild the index organized table index (IOT):

What is LOB segment in Oracle?

Oracle supports the following two types of LOBs. Those stored in the database either in-line in the table or in a separate segment or tablespace, such as BLOB, CLOB, and NCLOB. Those stored as operating system files, such as BFILEs.

What is Alter Table move in Oracle?

The move_table_clause lets you relocate data of a nonpartitioned table or of a partition of a partitioned table into a new segment, optionally in a different tablespace, and optionally modify any of its storage attributes.

How do you rebuild a lob index?

How do I move a table from one tablespace to another tablespace?

select ‘ALTER TABLE ‘||owner||’. ‘||table_name||’ move tablespace ‘||’new_tablespace_name parallel 8;’ from dba_tables where tablespace_name=’DATA’; Use above sql query result and execute them to move tables from one tablespace to new tablespace.

What is LOB index in Oracle?

A LOB is simply a pointer. It points to an index. the index points to the chunks that make up the LOB. Hence when you create a LOB, you will always get a lob index created (to find the chunks for the lob fast) and a segment that holds the lob data (chunks).