I run oracle 11g and need to move table (tbl1) from one tablespace (tblspc1) to another (tblspc2). One is to use a combination of alter table X move tablespace Y and alter index X rebuild tablespace Y — this works in Oracle8i release 8.1 and up ONLY. Change the tablespace of a table – HI I have some tables in my oracle Database which belongs to the same Owner(say MyUser). By the way I’m using Oracle 8i(Release 3 (8.1.7) for Windows NT ) Thanks.
My question here is – What is the advantage of using DBMS_REDEFINITION (Online redefinition) package over Alter table move; Which one is fast and why? Can we have DML access to table in either ways of moving the table?. Whenever we create a table with a CLOB column, Oracle implicitly creates a LOB segment and a LOB index for the CLOB column. SQL ALTER TABLE TEST MOVE TABLESPACE EXAMPLE;. The move command compacts the rows within Oracle blocks, resolves row chaining, and resets a table’s High Water Mark. Alter table temp_jp move tablespace users;.
The ALTER TABLESPACE statement is used to modify a tablespace or one of its data files or temp files. A tablespace is used to allocate space in the Oracle database where schema objects are stored. Move a table segment. ALTER TABLE tab1 MOVE TABLESPACE new_ts; — Move an index segment. ALTER INDEX ind1 REBUILD TABLESPACE new_ts; If you are moving a partitioned table from one tablespace to an other with following similar command: alter table owner.table_name move partition partition_name tablespace tablespace_name.
Moving A Table To A Different Tablespace In Oracle Using Online Redefinition Vs Alter Table Move Tablespace
TABLESPACE tablespace_name;. The ALTER TABLE MOVE clause is documented and diagrammed in the Oracle Docs. However, the user ALSO wants to change the owner of the table. –moving the table to the new tablespace alter table table_name move tablespace new_tablespace; –rebuilding the index(es) and moving them to the new tablespace alter index index_name rebuild tablespace new_tablespace; –moving the lobsegment(s) to the new tablespace alter table table_name move lob (lob_column) store as (tablespace new_tablespace); –shrinking the table and lobsegment alter table table_name enable row movement; alter table table_name shrink space cascade; alter table table_name modify lob (lob_column) (shrink space); Table and the lob segment will shrink during migration, but just in case you need further space shrinkage i have included the scripts needed. Move table to another tablespace: tablespace Table Oracle PL/SQL Tutorial. SYSTEM SQL alter table employee move 2 tablespace users; Table altered. It is also used to add, modify, or drop a column from an existing table. In Oracle 9i and above, you can use the ALTER statement along with the RENAME statement to change the name of a table column. TABLESPACE: Alter Permanent Tablespace – Various examples of manipulating permanent tablespace set. Hi Can you easily move partitions from one tablespace to another tablespace? If so, is this instantaneous upon issueing the command? And what is the SQL to do this? Cheers!. Alter table xxx move partition partition_1 tablespace your_tablespace;. To move a table to another tablespace, issue the following command: ALTER TABLE table_name MOVE TABLESPACE new_ts; To move an index, use the following: ALTER INDEX index_name REBUILD TABLESPACE new_ts; To move the LOB when moving the table, use the following: ALTER TABLE table_name MOVE TABLESPACE new_ts LOB (lob_item) STORE AS (TABLESPACE another_new_ts); All of this is documented in the SQL Reference Guide.
Alter Tablespace Statement
The steps below are from a 10g Oracle database running on a Solaris 10 SPARC box. SQL alter table contest_extra_columns modify (domain_id not null); SQL alter table schema.table move lob(column) store as (tablespace destination);. Oracle assigns this value to the column if a subsequent INSERT statement omits a value for the column. If any tables or indexes are stored in the wrong tablespace, ALTER TABLE and ALTER INDEX can be used to change the tablespace (see the following SQL syntax).