Oracle shrink space cascade - Monitor and check progress

I am looking for a script which can track the progress of alter table table_name shrink space cascade. I am aware of v$session_longops which is no help in this case. Thanks in advance, ...

Oracle Unable to shrink space on a table with FBIs

I have a table that the Segment Advisor says has over 4G of reclaimable space, which is over 5% of my total db size. I have ran the recommended shrink command several times, but it never releases the space. The table has two function-based indexes, so I am having to drop those before I run the shrin ...

alter table move VS shrink space

I tested the alter table move and shrınk clause.I notıce that after the alter table move clause, empty_blocks do not change.I dont understand why??analyze table esasbranch.temphistory compute statisticsselect table_name,a.blocks,b.bytes/1024 as KB,num_rows,empty_blocks from user_tables a, ...

Oracle shrink space

when one issued the below statement. Is thaere any rule for it. alter table xyz shrink space ...

Oracle Equivalent of 'alter table xxx shrink space' for tablespace

How do I perform a equivalent opperation to 'alter table xxx shrink space' for a tablespace?If this is my table space:Table 1FREE spaceTable 2FREE spaceTable 3HWMHow do I change this in to Table 1Table 2Table 3HWM ...

Oracle SHRINK SPACE - How do you monitor progress?

Does anyone know how to monitor the progress of a SHRINK SPACE command ?Session_Longops view shows nothing for that SID. ...

Oracle deallocate vs shrink space

HiWhat is the diffrence betweenalter table <table_name> deallocate unused and alter table <table_name> shrink space ...

Oracle Shrink space compact

I have a question about shrinking tables.I want to make it in two phases:1.alter table ... shrink space compact;2. alter table ... shrink space;I read in the documentation:"Oracle Database defragments the segment space and compacts the table rows but postpones the resetting of the high water mark an ...

Oracle Should I SHRINK SPACE or ENABLE ROW MOVEMENT after a TRUNCATE?

G'Day experts !After using TRUNCATE TABLE ... on a production DB to empty out a table with over a million rows, should I be using any of the following commands by way of cleanup and performance?ALTER TABLE ... ENABLE ROW MOVEMENT;ALTER TABLE ... SHRINK SPACE;I'm wondering if Oracle's internal housek ...

Oracle shrink space vs lob index

I work at 10.2.0.1 and I have problem with shrink tablespace,because at the end of file I have lobindex.So the command ALTER TABLE <table> MODIFY LOB(<column>) (SHRINK SPACE)doesn't make sense, because I can change only lob segment withoutindex, and block_id of that index is always at th ...

Oracle Is alter table shrink space a logged operation?

I am running alter table xxxxxx shrink space. I have a few questions:1. Is this a logged operation? Oracle handles this interanally as insert/delete operations, but I am not seeing more arch logs being generated.2. If I stop in the middle of the shrink process, can Oracle resume where it left off?3. ...

Oracle Enable Row Movement, Shrink Space maintenance stored procedures.

I have a table which stores the names of the table I wish to perform maintenance functions such as the "enable row movement" and "shrink space" functions. I used a stored procedure to select the tables names and dynamically form a sql statement ALTER TABLE || p_tableName || ENABLE ROW MOVEMENT and e ...

Oracle coalesce vs shrink space compact

HiAs far as I know "coalesce" clause combines all contiguous free extents into larger contiguous extents.and it is only valid in dictionary managed tablespaces.In oracle 10g, there is "shrink space compact"which is used for local managed tablespacesDoes the "coalesce" in oracle prior to 10g perfoms ...

Oracle Shrink Space doesnt works..

I have a database stored procedure which deletes approx. 500k record from the database per week. After the deletion, I have scheduled a job to run the following command to reset the High Water Mark and reclaim the freespace after the deletion. alter table my_table enable row movementalter table my_t ...

Oracle What do I do after shrink space

Do I need to do anything after shrink space?After I shrink the tables and indexes spaces, I saw the significent space saving. question is do I need to re-collect statistic after shrink? would query plans changed after shink space? if I have outlines defined to freeze query plan, should I re-generate ...

Alter SHRINK SPACE in oracle 10g

My table PRICE_T table gets deleted and inserted almost 50 million records everyday.Now it takes too much time to perform this operation because of TABLE fragmented. i can use "CREATE table as select” option to remove fragmentation from table.but i dont want to use this option.so i hv tried ALTER ...

Oracle DEALLOCATE UNUSED and SHRINK SPACE

What's the difference between the effect of DEALLOCATE UNUSED and SHRINK SPACE?ALTER TABLE mytable DEALLOCATE UNUSED; ALTER TABLE mytable SHRINK SPACE; ...

Oracle Alter table shrink space causes deadlock

I'm executing this:EXECUTE IMMEDIATE 'ALTER TABLE ALARM_LOG ENABLE ROW MOVEMENT';EXECUTE IMMEDIATE 'ALTER TABLE ALARM_LOG SHRINK SPACE';and getting this: *** 2009-12-09 10:38:46.332*** ACTION NAME:(SQLSCRIPT_7931760) 2009-12-09 10:38:46.324*** MODULE NAME:(DBMS_SCHEDULER) 2009-12-09 10:38:46.324*** ...

Oracle ALTER TABLE SHRINK SPACE

We are currently using Oracle 9.2.0.8. Can any of you pls confirm if this oracle version support ALTER TABLE SHRINK SPACE? I was under an assumption it is supported only Oracle 10g. ...

Oracle alter table shrink space takes long time

I was running "alter table shrink space" yesterday morning, it is still running after 24 hours. It seems it is taking a very long time.Questions:1. Are there any way to monitor the statement to see how much it ihas done?2. If I cancel the statment in the middle, will the table got crashed? ...

Oracle Shrink space of datafile

Oracle 11.1.0.7:I need to give some space back to the storage. I am trying to figure out what process should I follow to shrink the datafiles and drop the datafiles. 1. Should I first do shrink space on tablespace and then drop few datafiles?2. How do I know how much space can be shrunk?3. How do I ...

Oracle Is an "alter table shrink space" dangerous

I have the problem that the tables resp. tablespaces need too much space. I have delete a lot of rows but the tablespaces hasn't become smaller. I have read that I have to use the following commands:alter table test ENABLE ROW MOVEMENT;alter table test SHRINK SPACE;My question: Is it dangerous to us ...

Oracle Is "Alter Index Shrink space" is the online operation

I'm planning to shrink the indexes without compact option ,I mean I want to reclaim the space as well,So Can anybody tell is Shrink space clause affects the availability of the index.Is it a total online operation-or do we have online option with it?Does this affects the performance in any way ...

Oracle shrink space check clause

What does "CHECK" mean in the clause "alter table xxx shrink space check"?I'm using 10.2.0.4. but can not find a description in the SQL reference for "shrink space CHECK"http://download.oracle.com/docs/cd/B19306_01/server.102/b14200/statements_3001.htm#SQLRF01001 . ...

Ubuntu not enough shrink space for partitioning

I'm following this guide (http://apcmag.com/how_to_dualboot_vista_with_linux_vista_installed_f irst.htm?page=2) so I can dual-boot Vista and Ubuntu. When I try to shrink Vista's partition, it's not letting me shrink it by much. Apparently, it will only let me create a ~50GB partition, which doesn't ...

Oracle delete rows and shrink space

I have a schema with 24 tables that contains millions of rows. Only pk constraint exists in each table. Not exists FK.My database is short of space and that is the reason for delete rows.Well.. i want to delete rows (based in a criteria) from each tables and that table have miles or millions of rows ...

Oracle shrink space (em)

Hı when I run segment advısor for specıfıc table shrınk ıs advısed.Than I make a shrınk.Than I run segment advısor for the same table agaın and agaın shrınk ıs advısed.and I shrınk ıt agaın and agaın and agaın.I notıce that everytıme I shrınk for the same table, reclaımable sp ...

Segment Shrink Space Compact option in Oracle 10g

1. Is it Compulsory to run the Segment Shrinking Jobs advised by Segment Advisor?2. Running online will it affect the perfomance3. Is this same as table re organization ...

Oracle automatic undo shrink space

Hello1-)Suppose undo tbs is 10gb.There is no activity in the database and hence Oracle decided to take the rollback segments offline.Does it also drop the rollbacksegments?I mean, is there a chance to reduce my undo tablespace 10gb to 8gb automatically? 2-)I know that round robin is used in manuel u ...

Oracle Space Management: How to calculate UNDO space need to shrink a segment ?

We used to shrink Tables using the commands --- Enable row movement.ALTER TABLE <owner>.<table> ENABLE ROW MOVEMENT;-- Recover space for the object and all dependant objects.ALTER TABLE <owner>.<table> SHRINK SPACE CASCADE;We use to check the current UNDO tablespace usage, be ...

Oracle wasted space inside LOB. got strange problems while shrinking.

10.2.0.3SunOS 5.9 sparc 64bitthe situation:a table called T1 has a NCLOB type field called "flob1". T1 is stored in tablespace "DATA_ALL"The LOB segment for that field is stored in tablespace "USERS"DATA_ALL and USERS are locally managed with segment space management = MANUALblock size is 4096 in bo ...

Oracle Equivalent of SHRINK command in 9i

I need to manually DEFRAG/SHRINK space in some tables on a 9i database. In 10g i usually issue ALTER TABLE segment_name SHRINK SPACE CASCADE after enabling row movement.What is the equivalent of SHRINK in 9i? ...

Oracle index shrink

In order to consider indexes; Does the following statement return the unused space inside index tablespace for use in other segments? or only compact the index segment?alter table <table_name> shrink space cascade; ...

Oracle can we shrink a table where its storage clause is NO Compress

Good day,DB version is 10.2.0.4Am trying to shrink a table of 31gb. Enable row movement and given shrink space cascade. Found that storage clause specified for the table is ) PCTFREE 10 PCTUSED 70 INITRANS 10 MAXTRANS 255 NOCOMPRESS LOGGING STORAGE(INITIAL 131072 NEXT 131072 MINEXTENTS 1 MAXEXTENTS ...

Oracle Shrink and rebuild index

I was reading about shrink table and I get doubt the problem of perfomance in the table that submit the comands enable row movent and shrink space cascade.Some people like in this documentation http://www.dba-oracle.com/oracle10g_tuning/t_online_table_reorganization.htm says that "Sparsely populated ...

Oracle Performance dip after table shrink

We are using Oracle 10.2.0.4 on Solaris10 with 2 node RAC and a logical standby.We did the following activities for data purging and observed a dip in database performance after table re-org for a set of 70 tables using shrink option.Step 1 : Deleted 700K records from number of tables using a simple ...

Oracle Have the dependent materialized views been shrunk?-----No.170

I have issued the following command:SQL>ALTER TABLE trans SHRINK SPACE CASCADE; I want to know:Have the dependent materialized views and materialized view log been shrunk? ...

Oracle Namespace Packing

Are there any SQL to pack the namespace like packing table (alter table XXX shrink space cascade)?I have a namespace which own many tables. And now I just dropped the namespace. And then used the function "Packing Space" privided by Oracle XE. However, I found that the memory used by this namespace ...

Oracle Is this script for Shrinking tables/related segments Ok?

Oracle DB Version : 10gR2After a massive DELETE operation across all the tables in my schema I want to free up the space in Tables and its indexes. So i made the following script. Is this Ok? create or replace procedure freeup_spaceistype v_segment_type is table of varchar2(30) index by binary_integ ...

Oracle Apostrophe in DBMS_OUTPUT.PUT_LINE

Following is a script i made for freeing up(SHRINK ing and resetting HWM) the space in Tables and its indexes. I don't know the escape character to use in the DBMS_OUTPUT shown in bold below create or replace procedure freeup_spaceistype v_segment_type is table of varchar2(30) index by binary_intege ...

Oracle Segment shrinking and UNDO tablespace

When i issued alter table <table_name> shrink space cascade;I got the error 'Unable to extend UNDO ...by 8' . Does Segment shrinking consume space from UNDO tablespace?Message was edited by: for_good_reason ...

Oracle Finding candidates for shrinking ( 10g)

to compact the space and reset the HWM i can make use of dbms_space package and procedure space_usage to find how much free space is available in the block so that based on the output we can make use of alter table <table_name> shrink space compact and then alter table <table_name> shrin ...

Oracle Segment Shrinking script erroring out due to Function based indexes, lobs,.

DB version:10gR2Following is a script i made for freeing up(SHRINK ing and resetting HWM) the space in Tables and its indexes. Due to the existence of LOB Segments and Tables with Function based indexes, this script was erroring out. So i was wondering if there is a way to find out the segments whic ...

Oracle exception

I have an pl-sql statement like the followıng.If an exceptıon occurs, does the rest of the statement stopped, or continue?beginopen cur_tabLOOPFETCH cur_tabINTO tab_name_out;EXECUTE IMMEDIATE 'ALTER TABLE '|| tab_name_out|| ' SHRINK SPACE CASCADE';EXCEPTIONWHEN OTHERSTHENraise_application_error (- ...

Oracle packages getting invalid

We have a table which is list partitioned and table has lob. Due to huge inserts and deletes it is growing rapidly. How to reclaim the space from the lob partitions.I have used "alter table table_name enable row movement;"alter table table_name shrink space cascade compact""ALTER TABLE table_name SH ...

Oracle chain counts

I understand that we can reduce chain counts by performing a table move.However for 10g, will an alter table <tablename> shrink space cascade; recude the chain count?Also, when will u guys perform a re-org of the table? When the chain counts hit how many percentage as compared to the rows?Plea ...

Oracle Shrinking table

Good day..Am trying to shrink a table and it throws error asSQL> alter table eni.ENI_OLTP_ITEM_STAR enable row movement;   Table altered.   SQL> alter table eni.ENI_OLTP_ITEM_STAR shrink space cascade; alter table eni.ENI_OLTP_ITEM_STAR shrink space cascade * ERROR at line 1: ORA-106 ...

Oracle ORA-00604: error occurred at recursive SQL level 1 and ORA-30036:

I am trying to shrink the table segment along with indexes.I am using alter table OWNER.TABLE shrink space cascade; syntax but after 1 hr i got the following error.ERROR at line 1:ORA-00604: error occurred at recursive SQL level 1ORA-30036: unable to extend segment by 4 in undo tablespace 'UNDOTBS01 ...

Oracle How to effectively manage large table which is rapidly growing

All,My environment is single node database with regular file system. Oracle - 10.2.0.4.0IBM - AIX A tablespace in this database is growing rapidly. Especially a single table in that tablespace having "Long Raw" column datatype has grown from 4 GBs to 900 GBs in 6 months. We had discussion with appli ...

Oracle Shink Table and Index

I would like to know :1) if there is any difference in shrinking a partitioned table as a whole or shrinking each partition individually.2) If i use alter table emp shrink space cascade will it shrink all the indexes on this table ? ...