Does XE support Bitmap Indexes?
Hi,
I am trying to create a bitmap index in XE and getting the following error:
ORA-00439: feature not enabled: Bit-mapped indexes
I am guessing this is only available in the enterprise editions of the database or is there some way i can enable this option?
thanks,
Brenden
I am guessing this is only available in the enterprise editions of the databaseBitmap indexes are enterprise only. You can find a full list of included and excluded functionality in the XE documentation.
Cheers, APC
Similar Messages
-
Does dbxml support online indexing?
HI,
I have a master/slave dbxml environment. I expect master can serve update request while at the same time adding index.
Is this possible?
In my test, it seems that it doesn't work. I wrote a c++ prograon to add index, which use flags (my maser application use the same flags):
DB_CREATE | DB_RECOVER | DB_INIT_LOCK | DB_INIT_LOG | DB_INIT_MPOOL | DB_INIT_TXN | DB_INIT_REP | DB_THREAD
The program return the error message below:
PANIC: fatal region error detected; run recovery
PANIC: fatal region error detected; run recovery
PANIC: fatal region error detected; run recovery
terminate called after throwing an instance of 'DbXml::XmlException'
what(): Error: DbTxn::abort: DB_RUNRECOVERY: Fatal error, run database recovery
Aborted
But if I stop master/slave, the program works fine and index can be added successfully.
Thanks.
-YuanYuan,
Adding an index to an existing container will result in walking the entire container looking for candidate index entries. That, along with the index updates themselves is probably enough to lock a page that will hold off updates. So while there is no explicit locking going on because of the widespread effect of addIndex you will likely see update operations held off.
Generally speaking we recommend that you add indexes before populating a container. That is much more efficient.
Regards,
George -
Error while attempting to create bitmap index
I get the error below while creating a bitmap index on a table in SQL Developer.
How do a go about enabling this feature? I looked on Tools | Preferences menu and didn't see anything.
Using Version 1.0.0.14.67
>>>
Error starting at line 1 in command:
CREATE BITMAP INDEX "SYSTEM"."PUB_SRC_INDX_0197_US4" ON "SYSTEM"."PUB_SRC_TBL_0197_US" ("STATUS_ID")
Error report:
SQL Error: ORA-00439: feature not enabled: Bit-mapped indexes
>>>
ThanksNevermind.. I found it on google. You must have an SE version of Oracle which does not support Bitmapped Indexes. You will have to use another index type.
-
Does dropping bitmap index and creation of b- index cause any dead locks
Does dropping a bitmap index on table which is being used continuously for DML operations and creation of b- index cause any dead locks on a table
in oracle 10g database
( 10.1.0.4.0 - 64bi).
we have seen alert log file which has dead lock occurrence.. would index change/re-creation resulted dead lock or some other reason?
Could you please give us info or help us on this.. thanks in advance..Bitmap indexes can be the cause of deadlocks on busy systems.
Dropping indexes may cause some locking.
Creating indexes may cause some locking.
You haven't given any traces or scripts or lock information, so difficult to say which one (if any) was the cause of your deadlocks.
It would be better to do this activity when the system is not busy. -
Using Bitmap Index over db link.
I've a problem with the following query:
select count(*)
from TABLE_A@db_link TABLE_A, TABLE_B
where TABLE_A.ACCEPTTIME = TABLE_B.TIME_B
The above query is doing a full table scan (even after forcing index hints) on TABLE_A which has about 300M records.
TABLE_A is a local table while TABLE_B is remotely accesed using db_link.
There is a bitmap index created on the ACCEPT_TIME field of TABLE_A which is not used by the query. However when I fire this query:
Am I missing something here? How can I make the optimizer use the bitmap index on TABLE_A using remote db_link?
Here is the explain plan for the above query:
Operation Object Name Rows Bytes Cost Object Node In/Out PStart PStop
SELECT STATEMENT
Optimizer Mode=ALL_ROWS 1 2
SORT AGGREGATE 1 17
NESTED LOOPS 1 17 2
REMOTE .COPY_STM 1 9 2
STAG_PLMSPDB1.SMART.COM.PH SERIAL
INDEX RANGE SCAN SYSTEM.DIM_TIME_INDX1 1 8 0
Regards,
RajHere is a simple case to explain the problem more clearly:
1. dept: database1 (small table dimension with 4 rows)
2. emp: database2 (large table fact with 50K rows)
3. Table emp has bitmap index on column "deptno"
4. Both tables are analyzed with defualt values using DBMS_STATS.GATHER_TABLE AND INDEX STATS
5. DB Link db2 is created from database1 to database2
Observations:
a) On Database2 when the following query is issued:
select count(*) from emp@DATABASE1 emp, dept where emp.deptno = dept.deptno
It does not use the bitmap index.
b) On Database1 when the following query is issued:
select count(*) from emp emp, dept@DATABASE2 where emp.deptno = dept.deptno
It does use the bitmap index since it is available optimizer has this information locally.
My question is how can I make use of the statistics effectively, so that the optimizer knows it has to use the bitmap index present in the remote db.
Regards,
Raj -
How does OWB deal with bitmap indexes when inserting?
How does OWB 9.2 deal with bitmap indexes on a fact table when records are inserted from a staging table? It seems to me that they are left on the table, while in the 9i Server manuals it says that one should not perform heavy DML in this case, because this slows down the inserts considerably and the indexes can get bloated. Should one define a premapping and postmapping process for removal and recreation of the bitmap indexes?
How handles OWB bitmap indexes in case of PEL and what action should one take then?
Jaap.Hai Japp,
It depends on the volume of the data.
The best way is drop index in pre mapping process and recreate it in post mapping process.
You need to use EXECUTE IMMEDIATE command in the procedure to create or drop indexes.
e.g:
EXECUTE IMMEDIATE 'CREATE BITMAP INDEX INDX_BI_TABLE ON TABLE_NAME(COL_NAME)'
Regards,
Malli -
Does apex support any server side JSP or PHP?
I have the folowing script that is used to save flash files as images. I am hoping there is some way to make these serverside calls from within apex.
<%@ page import="java.io.OutputStream"%>
<%@ page import="java.awt.Color"%>
<%@ page import="java.awt.Graphics"%>
<%@ page import="java.awt.image.BufferedImage"%>
<%@ page import="javax.imageio.ImageIO"%>
<%
//Decoded data from charts.
String data="";
//Rows of color values.
String[] rows;
//Width and height of chart.
int width=0;
int height=0;
//Default background color of the chart
String bgcolor="";
Color bgColor;
//Get the width and height from form
try{
width = Integer.parseInt(request.getParameter("width"));
height = Integer.parseInt(request.getParameter("height"));
catch(Exception e){
//If the width and height have not been given, we cannot create the image.
out.print("Image width/height not provided.");
out.close();
if(width==0 || height==0){
//If the width and height are less than 1, we cannot create the image.
out.print("Image width/height not provided.");
out.close();
//Get background color from request and set default
bgcolor =request.getParameter("bgcolor");
if (bgcolor==null || bgcolor=="" || bgcolor==null){
bgcolor = "FFFFFF";
//Convert background color to color object
bgColor = new Color(Integer.parseInt(bgcolor,16));
//Get image data from request
data = request.getParameter("data");
if(data==null){
//If image data not provided.
out.print("Image Data not supplied.");
out.close();
try{
//Parse data
rows = new String[height+1];
rows = data.split(";");
//Bitmap to store the chart.
//Reference to graphics object - gr
BufferedImage chart = new BufferedImage(width,height,BufferedImage.TYPE_3BYTE_BGR);
Graphics gr = chart.createGraphics();
gr.setColor(bgColor);
gr.fillRect(0,0,width,height);
String c;
int r;
int ri = 0;
for (int i=0; i<rows.length; i++){
//Split individual pixels.
String[] pixels = rows.split(",");
//Set horizontal row index to 0
ri = 0;
for (int j=0; j<pixels.length; j++){
//Now, if it's not empty, we process it
//Split the color and repeat factor
String[] clrs = pixels[j].split("_");
//Reference to color
c = clrs[0];
r = Integer.parseInt(clrs[1]);
//If color is not empty (i.e. not background pixel)
if (c!=null && c.length()>0 && c!=""){
if (c.length()<6){
//If the hexadecimal code is less than 6 characters, pad with 0
StringBuffer str = new StringBuffer(c);
int strLength = str.length();
for ( int p = c.length()+1; p <= 6 ; p ++ ) {
str.insert( 0, "0" );
//Assing the new padded string
c = str.toString();
for (int k=1; k<=r; k++){
//Draw each pixel
gr.setColor(new Color(Integer.parseInt(c,16)));
gr.fillRect(ri, i,1,1);
//Increment horizontal row count
ri++;
}else{
//Just increment horizontal index
ri = ri + r;
//Returns the image
response.setContentType("image/jpeg");
response.addHeader("Content-Disposition", "attachment; filename=\"FusionCharts.jpg\"");
OutputStream os = response.getOutputStream();
ImageIO.write(chart, "jpeg", os);
os.close();
}catch(Exception e){
//IF the image data is mal-formatted.
out.print("Image data is not in proper format.");
out.close();
%>NO, APEX does NOT support running jsp or PHP scripts..
Thank you,
Tony Miller
Webster, TX -
Does Designer9i support new DB features from 9iR2
Hi,
I am using Designer6i and was wondering if Designer9i supports new Database features of Oracle 9iR2.
So it is possible to define the following new DB features:
- Table Compression
- List Partitioning
- Composit Range List Partitioning
- Bitmap Join Indexes
- External Tables
Thanks for any feedback
MauriceMaurice,
Designer does not support these features of the 9i database. We have no plans to add this functionality to Designer.
Please refer to the Tools Statement of Direction, the Designer maintenance release document and the related FAQ on OTN (http://otn.oracle.com/products/designer/index.html)
Regards
Sue Harper
Designer Product Management -
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Multi-column BITMAP index vs. multiple BITMAP indices?
Given the table (simple, made-up example):
CREATE TABLE applicant_diversity_info (
applicant_diversity_id NUMBER(12), PRIMARY KEY(applicant_diversity_id),
apply_date DATE,
ssn_salted_md5 RAW(16),
gender CHAR(1), CHECK ( (gender IS NULL OR gender IN ('M','F')) ),
racial_continent VARCHAR2(30), CHECK ( (racial_continent IS NULL
OR racial_continent IN ('Europe','Africa','America','Asia_Pacific')) ),
ethnic_supergroup VARCHAR2(30), CHECK ( (ethnic_supergroup IS NULL OR ethnic_supergroup IN ('Latin American','Other')) ),
hire_salary NUMBER(11,2),
hire_month DATE,
termination_salary NUMBER(11,2),
termination_month DATE,
termination_cause VARCHAR2(30), CHECK ( (termination_cause IS NULL
OR termination_cause IN ('Resigned','Leave of Absence','Laid Off','Performance','Cause')) )
Oracle (syntactically) allows me to create either one BITMAP index over all four small-cardinality columns
CREATE BITMAP INDEX applicant_diversity_diversity_idx ON applicant_diversity_info (
gender, racial_continent, ethnic_supergroup, termination_reason );
or four independent indexes
CREATE BITMAP INDEX applicant_diversity_gender_idx ON applicant_diversity_info ( gender );
CREATE BITMAP INDEX applicant_diversity_race_idx ON applicant_diversity_info ( raceial_continent );
etc.
What is the difference between the two approaches; is there any meaningful difference in disk-space between the one multi-colum index and the four single-column indexes? Does it make a difference in what the query-planner will consider?
And, if I define one multi-column BITMAP index, does the order of columns matter?>
What is the difference between the two approaches; is there any meaningful difference in disk-space between the one multi-colum index and the four single-column indexes? Does it make a difference in what the query-planner will consider?
And, if I define one multi-column BITMAP index, does the order of columns matter?
>
You may want to read this two-part blog, that answers that exact question, by recognized expert Richard Foote
http://richardfoote.wordpress.com/2010/05/06/concatenated-bitmap-indexes-part-i-two-of-us/
http://richardfoote.wordpress.com/2010/05/12/concatenated-bitmap-indexes-part-ii-everybodys-got-to-learn-sometime/
As with many things Oracle the answer is 'it depends'.
In short the same considerations apply for a concatenated index whether it is bitmap or b-tree: 1) will the leading column usually be in the predicate and 2) will most or all of the index columns be specified in the queries.
Here are some quotes from part 1
>
Many of the same issues and factors in deciding to create a single, multi-column index vs. several, single column indexes apply to Bitmap indexes as they do with B-Tree indexes, although there are a number of key differences to consider as well.
Another thing to note regarding a concatenated Bitmap index is that the potential number of index entries is a product of distinct combinations of data of the indexed columns.
A concatenated Bitmap index can potentially use less or more space than corresponding single column indexes, it depends on the number of index entries that are derived and the distribution of the data with the table.
>
Here is the lead quote from part 2
>
The issues regarding whether to go for single column indexes vs. concatenated indexes are similar for Bitmap indexes as they are for B-Tree indexes.
It’s generally more efficient to access a concatenated index as it’s only the one index with less processing and less throwaway rowids/rows to contend with. However it’s more flexible to have single column indexes, especially for Bitmap indexes that are kinda designed to be used concurrently, as concatenated indexes are heavily dependant on the leading column being known in queries. -
Hi All,
Could some one please let me know how Bitmap indexes are useful compared to B-Tree indexes on low-cardinality columns ?.
Thanks,
-Kumar.>>
As Re: why oracle db 9i optimizer can't choose to use the bitmap index? there are a number of issues with bitmap indexes. Your best bet is to read these three articles by Jonathan Lewis.
It does pay us to understand how the optimizer works with bitmap indexes. I posted some Re: Cost-based optimizer behavior to show how indexes on even very low valued columns can be useful in certain circumstances.
Cheers, APC
Blog : http://radiofreetooting.blogspot.com/ -
Unable to create a bitmap index
Hi,
I want to create a bitmap index on one of the colums on a table. I fired following query and it failed.
SQL> CREATE BITMAP INDEX TRANS_N_BITMAPIDX_VEH_PLATFORM ON TRANSACTION_NEW(VEH_PLATFORM) LOCAL;
Error starting at line 2 in command:
CREATE BITMAP INDEX TRANS_N_BITMAPIDX_VEH_PLATFORM ON TRANSACTION_NEW(VEH_PLATFORM) LOCAL
Error at Command Line:2 Column:70
Error report:
SQL Error: ORA-01408: such column list already indexed
01408. 00000 - "such column list already indexed"
*Cause:
*Action:I found there is a combined NORMAL index with VEH_PLATFORM column called ‘IDX$$_30AA00021’. It has following columns
• VEH_PLATFORM
• VEH_MODEL
• MODL_YR_NBR
• VEH_MAKE
• TXN_PROCS_DT
But I was able to create bitmap index on VEH_MODEL,MODL_YR_NBR and VEH_MAKE columns without any error.
Why does it error out for VEH_PLATFORM column?
Regards,
SamHi,
I am sure that BITMAP index is only created for
VEH_MAKE
VEH_MODEL
MODL_YR_NBR
BUILD_REGION
VEH_LINE_SERIES
TRANS_CTG_ID
and not for VEH_PLATFORM.
SQL> SELECT * FROM USER_INDEXES WHERE INDEX_TYPE='BITMAP' AND TABLE_NAME='TRANSACTION_NEW';
INDEX_NAME INDEX_TYPE TABLE_OWNER TABLE_NAME TABLE_TYPE UNIQUENESS COMPRESSION PREFIX_LENGTH TABLESPACE_NAME INI_TRANS MAX_TRANS INITIAL_EXTENT NEXT_EXTENT MIN_EXTENTS MAX_EXTENTS PCT_INCREASE PCT_THRESHOLD INCLUDE_COLUMN FREELISTS FREELIST_GROUPS PCT_FREE LOGGING BLEVEL LEAF_BLOCKS DISTINCT_KEYS AVG_LEAF_BLOCKS_PER_KEY AVG_DATA_BLOCKS_PER_KEY CLUSTERING_FACTOR STATUS NUM_ROWS SAMPLE_SIZE LAST_ANALYZED DEGREE INSTANCES PARTITIONED TEMPORARY GENERATED SECONDARY BUFFER_POOL FLASH_CACHE CELL_FLASH_CACHE USER_STATS DURATION PCT_DIRECT_ACCESS ITYP_OWNER ITYP_NAME PARAMETERS GLOBAL_STATS DOMIDX_STATUS DOMIDX_OPSTATUS FUNCIDX_STATUS JOIN_INDEX IOT_REDUNDANT_PKEY_ELIM DROPPED VISIBILITY DOMIDX_MANAGEMENT SEGMENT_CREATED
TRANS_N_BITMAPIDX_MAKE BITMAP VISUAL TRANSACTION_NEW TABLE NONUNIQUE DISABLED 2 6102 20 305 611 12226 N/A 12226 2208 11-MAY-11 1 1 YES N N N DEFAULT DEFAULT DEFAULT NO YES NO NO NO VISIBLE N/A
TRANS_N_BITMAPIDX_MODEL BITMAP VISUAL TRANSACTION_NEW TABLE NONUNIQUE DISABLED 2 11284 158 71 144 22813 N/A 22813 2321 11-MAY-11 1 1 YES N N N DEFAULT DEFAULT DEFAULT NO YES NO NO NO VISIBLE N/A
TRANS_N_BITMAPIDX_BUILD_REGION BITMAP VISUAL TRANSACTION_NEW TABLE NONUNIQUE DISABLED 2 2911 5 582 1161 5808 N/A 5808 5808 11-MAY-11 1 1 YES N N N DEFAULT DEFAULT DEFAULT NO YES NO NO NO VISIBLE N/A
TRANS_N_BITMAPIDX_MODL_YR_NBR BITMAP VISUAL TRANSACTION_NEW TABLE NONUNIQUE DISABLED 2 2911 5 582 1161 5808 N/A 5808 5808 11-MAY-11 1 1 YES N N N DEFAULT DEFAULT DEFAULT NO YES NO NO NO VISIBLE N/A
TRANS_N_BITMAPIDX_TRANS_CTG_ID BITMAP VISUAL TRANSACTION_NEW TABLE NONUNIQUE DISABLED 2 7547 43 175 359 15457 N/A 15457 2345 11-MAY-11 1 1 YES N N N DEFAULT DEFAULT DEFAULT NO YES NO NO NO VISIBLE N/A
TRANS_N_BITMAPIDX_VEH_LINE_S BITMAP VISUAL TRANSACTION_NEW TABLE NONUNIQUE DISABLED 2 10581 253 41 84 21477 N/A 21477 2247 11-MAY-11 1 1 YES N N N DEFAULT DEFAULT DEFAULT NO YES NO NO NO VISIBLE N/A
6 rows selectedRegards,
Sam -
Xdb_installation_trigger does not support object creation of type SNAPSHOT
hi everyone, i'm using Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bit on solaris sparc 5.10
we like to send an email through SSL, and after searching here and there I found out that oracle DB 11g able to go throught the SSL.
since upgrade our DB to 11g would not be an option, so i tried to export XDB of 11g and import it into XDB 10gR2 schema, it was a mess...
then i just reinstall XDB using catnoqm.sql & catqm.sql
and now one of our programmer cant run some script like above
CREATE MATERIALIZED VIEW FIFSYS_MKT_SCHEME_MV_COY
TABLESPACE MARKETING_TABLES
PCTUSED 40
PCTFREE 10
INITRANS 2
MAXTRANS 255
STORAGE (
INITIAL 64K
MINEXTENTS 1
MAXEXTENTS UNLIMITED
PCTINCREASE 0
FREELISTS 1
FREELIST GROUPS 1
BUFFER_POOL DEFAULT
+)+
NOCACHE
LOGGING
NOCOMPRESS
NOPARALLEL
BUILD IMMEDIATE
REFRESH FORCE ON DEMAND
WITH PRIMARY KEY
AS
+/* Formatted on 9/23/2010 1:07:42 PM (QP5 v5.114.809.3010) */+
SELECT coy_id,
appl_branch_id,
appl_object_code,
product_type,
ppdcf_paid_date,
SUM (scheme_adm) scheme_adm,
SUM (appl_unit) appl_unit,
SYSDATE mkt_sysdate
FROM (SELECT NVL (a.coy_id, '01') coy_id,
a.branch_id appl_branch_id,
DECODE (a.buss_unit, 'NMC', '2101', 'UMC', '2102', '2352')
appl_object_code,
a.platform product_type,
TRUNC (c.contract_active_date) ppdcf_paid_date,
NVL (s.ms_amt, 0) scheme_adm,
NVL (o.total_item, 0) appl_unit
FROM ordmgmt.om_trn_appl_ms_lvl_object s,
ordmgmt.om_trn_appl_hdr a,
acctmgmt.ar_trn_sum_contracts c,
+( SELECT appl_no, COUNT ( * ) total_item+
FROM ordmgmt.om_trn_appl_object
GROUP BY appl_no) o
WHERE s.appl_no = a.appl_no
AND a.appl_no = o.appl_no
AND s.ms_code IN ('MS03', 'MS14')
AND c.appl_no = a.appl_no
AND c.contract_no = a.contract_no
+/*AND c.office_code = a.branch_id*/+
AND NVL (a.coy_id, '01') = NVL (c.coy_id, '01'))
GROUP BY coy_id,
appl_branch_id,
appl_object_code,
product_type,
ppdcf_paid_date;
COMMENT ON MATERIALIZED VIEW FIFSYS_MKT_SCHEME_MV_COY IS 'snapshot table for snapshot MARKETING.FIFSYS_MKT_SCHEME_MV_COY';
and this error shown:
ORA-00604 error occurred at recursive SQL level 1
ORA-20000 Trigger xdb_installation_trigger does not support object creation of type SNAPSHOT
ORA-06512 at line 32
maybe some of you know how to solve this problem??
and, this in the script of the xdb_installation_trigger
DROP TRIGGER SYS.XDB_INSTALLATION_TRIGGER;
CREATE OR REPLACE TRIGGER SYS.xdb_installation_trigger
BEFORE
CREATE ON DATABASE
DECLARE
sql_text varchar2(200);
val number;
BEGIN
if (dictionary_obj_owner != 'XDB') then
if (dictionary_obj_type = 'FUNCTION' or
dictionary_obj_type = 'INDEX' or
dictionary_obj_type = 'PACKAGE' or
dictionary_obj_type = 'PACKAGE BODY' or
dictionary_obj_type = 'PROCEDURE' or
dictionary_obj_type = 'SYNONYM' or
dictionary_obj_type = 'TABLE' or
dictionary_obj_type = 'TABLESPACE' or
dictionary_obj_type = 'TYPE' or
dictionary_obj_type = 'VIEW' or
dictionary_obj_type = 'USER'
+)then+
if (dictionary_obj_type != 'PACKAGE BODY'
+) then+
sql_text := 'select count(*) from ALL_OBJECTS where owner = :1 and object_name = :2 and object_type = :3';
execute immediate sql_text into val using dictionary_obj_owner, dictionary_obj_name, dictionary_obj_type;
if (val = 0) then
sql_text := 'select count(*) from dropped_xdb_instll_tab where owner = :1 and object_name = :2 and object_type = :3';
execute immediate sql_text into val using dictionary_obj_owner, dictionary_obj_name, dictionary_obj_type;
if (val = 0) then
insert into xdb_installation_tab values
+(dictionary_obj_owner, dictionary_obj_name, dictionary_obj_type);+
end if;
end if;
end if;
else
raise_application_error(-20000, 'Trigger xdb_installation_trigger does not support object creation of type '||dictionary_obj_type);
end if;
end if;
end;
+/+
/********************************************************************************/i'm so careless, after checking a fresh installation of the same version DB, i dont found xdb_installation_trigger.
so just by simply remove that trigger & everything works just fine. :) -
Partitioned IOT of Object Type - mapping table not allowed for bitmap index
Hi,
looks like a feature available for standard Partitioned IOTs is not supported for object based tables, namely the MAPPING TABLE construct to support secondary local bitmap indexes.
Can you confirm behaviour is as expected/documented?
If so, is a fix/enhancement to support mapping table for object-based Partitioned IOTs in the pipeline?
Results for partition-wise load using pipelined table function are very good, look-ups across tens of millions of rows are excellent.
Environment = Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production
OS = Oracle Enterprise Linux Server release 5.2 (Carthage) 2.6.18 92.el5 (32-bit)
Here's the potted test-case...
1) First the non object based Partitioned IOT - data is range-partitioned across the alphabet
CREATE TABLE IOT_Table (
textData VARCHAR2(10),
numberData NUMBER(10,0),
CONSTRAINT IOT_Table_PK PRIMARY KEY(textData))
ORGANIZATION INDEX MAPPING TABLE PCTFREE 0 TABLESPACE Firewire
PARTITION BY RANGE (textData)
(PARTITION Text_Part_A VALUES LESS THAN ('B') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_B VALUES LESS THAN ('C') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_C VALUES LESS THAN ('D') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_D VALUES LESS THAN ('E') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_E VALUES LESS THAN ('F') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_F VALUES LESS THAN ('G') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_G VALUES LESS THAN ('H') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_H VALUES LESS THAN ('I') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_I VALUES LESS THAN ('J') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_J VALUES LESS THAN ('K') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_K VALUES LESS THAN ('L') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_L VALUES LESS THAN ('M') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_M VALUES LESS THAN ('N') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_N VALUES LESS THAN ('O') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_O VALUES LESS THAN ('P') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_P VALUES LESS THAN ('Q') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_Q VALUES LESS THAN ('R') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_R VALUES LESS THAN ('S') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_S VALUES LESS THAN ('T') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_T VALUES LESS THAN ('U') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_U VALUES LESS THAN ('V') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_V VALUES LESS THAN ('W') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_W VALUES LESS THAN ('X') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_X VALUES LESS THAN ('Y') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_Y VALUES LESS THAN ('Z') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_Z VALUES LESS THAN (MAXVALUE) PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0))
NOLOGGING PARALLEL -- FLASHBACK ARCHIVE IOT_Flashback_Data
SQL> table IOT_TABLE created.
2) Create the local secondary bitmap index utilising the underlying mapping table
CREATE BITMAP INDEX IOT_Table_BMI1 ON IOT_Table (numberData)
LOCAL STORAGE (INITIAL 1M PCTINCREASE 0 NEXT 512K) NOLOGGING PARALLEL;
SQL> bitmap index IOT_TABLE_BMI1 created.
3) Quick test to confirm all ok
SQL> INSERT INTO IOT_Table VALUES ('ABC123',100);
SQL> 1 rows inserted.
SQL> SELECT * FROM IOT_Table;
TEXTDATA NUMBERDATA
ABC123 100
4) Now create a minimal object type to use as the template for object table
CREATE TYPE IOT_type AS OBJECT
textData VARCHAR2(10 CHAR),
numberData NUMBER(10,0)
) FINAL
SQL> TYPE IOT_type compiled
5) Attempt to create an object-based range partitioned IOT, including MAPPING TABLE clause as per step (1)
CREATE TABLE IOTObj_Table OF IOT_type (textData PRIMARY KEY)
OBJECT IDENTIFIER IS PRIMARY KEY ORGANIZATION INDEX
MAPPING TABLE -- we'd like to use this feature to enable use of Bitmap Indexes...
PCTFREE 0 TABLESPACE Firewire
PARTITION BY RANGE (textData)
(PARTITION Text_Part_A VALUES LESS THAN ('B') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_B VALUES LESS THAN ('C') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_C VALUES LESS THAN ('D') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_D VALUES LESS THAN ('E') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_E VALUES LESS THAN ('F') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_F VALUES LESS THAN ('G') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_G VALUES LESS THAN ('H') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_H VALUES LESS THAN ('I') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_I VALUES LESS THAN ('J') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_J VALUES LESS THAN ('K') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_K VALUES LESS THAN ('L') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_L VALUES LESS THAN ('M') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_M VALUES LESS THAN ('N') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_N VALUES LESS THAN ('O') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_O VALUES LESS THAN ('P') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_P VALUES LESS THAN ('Q') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_Q VALUES LESS THAN ('R') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_R VALUES LESS THAN ('S') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_S VALUES LESS THAN ('T') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_T VALUES LESS THAN ('U') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_U VALUES LESS THAN ('V') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_V VALUES LESS THAN ('W') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_W VALUES LESS THAN ('X') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_X VALUES LESS THAN ('Y') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_Y VALUES LESS THAN ('Z') PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0),
PARTITION Text_Part_Z VALUES LESS THAN (MAXVALUE) PCTFREE 0 TABLESPACE Firewire Storage (Initial 10M Next 1M PCTIncrease 0))
NOLOGGING PARALLEL -- FLASHBACK ARCHIVE IOT_Flashback_Data
This errors out with the following...
SQL Error: ORA-25182: feature not currently available for index-organized tables
25182. 00000 - "feature not currently available for index-organized tables"
*Cause: An attempt was made to use one or more of the following feature(s) not
currently supported for index-organized tables:
CREATE TABLE with LOB/BFILE/VARRAY columns,
partitioning/PARALLEL/CREATE TABLE AS SELECT options,
ALTER TABLE with ADD/MODIFY column options, CREATE INDEX
*Action: Do not use the disallowed feature(s) in this release.
6) Re-running the create table statement in step 5 without the MAPPING TABLE clause works fine. Not surprisingly an attempt to create a secondary local bitmap index on this table fails as there's no mapping table, like so...
CREATE BITMAP INDEX IOTObj_Table_BMI1 ON IOTObj_Table (numberData)
LOCAL STORAGE (INITIAL 1M PCTINCREASE 0 NEXT 512K) NOLOGGING PARALLEL;
CREATE TABLE with LOB/BFILE/VARRAY columns,
partitioning/PARALLEL/CREATE TABLE AS SELECT options,
ALTER TABLE with ADD/MODIFY column options, CREATE INDEX
*Action: Do not use the disallowed feature(s) in this release.
CREATE BITMAP INDEX IOTObj_Table_BMI1 ON IOTObj_Table (numberData)
LOCAL STORAGE (INITIAL 1M PCTINCREASE 0 NEXT 512K) NOLOGGING PARALLEL
Error at Command Line:99 Column:13
Error report:
SQL Error: ORA-00903: invalid table name
00903. 00000 - "invalid table name"
7) Creating a secondary local b-tree index is fine, like so...
SQL> CREATE INDEX IOTObj_Table_I1 ON IOTObj_Table (numberData)
LOCAL STORAGE (INITIAL 1M PCTINCREASE 0 NEXT 512K) NOLOGGING PARALLEL;
index IOTOBJ_TABLE_I1 created.
8) A quick test to ensure object table ok...
SQL> INSERT INTO IOTObj_Table VALUES (IOT_Type('DEF456',500));
SQL> 1 rows inserted.
SQL> SELECT * FROM IOTObj_Table;
TEXTDATA NUMBERDATA
DEF456 500Thanks Dan,
the intention is to range partition based on the initial character, so A* -> Text_Part_A, B* -> Text_Part_B, and so on.
Here's an example, using an empty IOTObj_Table as created previously.
1) Set up & confirm some test data (two 'D's, one 'N', and two 'Z's)
SQL> INSERT INTO IOTObj_Table VALUES (IOT_Type('DEF456',500));
SQL> INSERT INTO IOTObj_Table VALUES (IOT_Type('DDD111',510));
SQL> INSERT INTO IOTObj_Table VALUES (IOT_Type('N3000',515));
SQL> INSERT INTO IOTObj_Table VALUES (IOT_Type('ZZ1212',520));
SQL> INSERT INTO IOTObj_Table VALUES (IOT_Type('Z111X',530));
SQL> COMMIT;
SQL> SELECT * FROM IOTObj_Table;
TEXTDATA NUMBERDATA
DDD111 510
DEF456 500
N3000 515
Z111X 530
ZZ1212 520
2) Just to prove our IOT is enforcing the Primary Key based on the TextData attribute, try to insert a duplicate
SQL> INSERT INTO IOTObj_Table VALUES (IOT_Type('Z111X',530));
Error starting at line 141 in command:
INSERT INTO IOTObj_Table VALUES (IOT_Type('Z111X',530))
Error report:
SQL Error: ORA-00001: unique constraint (OCDataSystems.SYS_IOT_TOP_84235) violated
00001. 00000 - "unique constraint (%s.%s) violated"
*Cause: An UPDATE or INSERT statement attempted to insert a duplicate key.
For Trusted Oracle configured in DBMS MAC mode, you may see
this message if a duplicate entry exists at a different level.
*Action: Either remove the unique restriction or do not insert the key.
3) Now confirm that our data has been slotted into the range-based partition we expect using the PARTITION clause of SELECT...
- The two 'D's...
SQL> SELECT * FROM IOTObj_Table PARTITION (Text_Part_D);
TEXTDATA NUMBERDATA
DDD111 510
DEF456 500
- The single 'N'...
SQL> SELECT * FROM IOTObj_Table PARTITION (Text_Part_N);
TEXTDATA NUMBERDATA
N3000 515
- The two 'Z's...
SQL> SELECT * FROM IOTObj_Table PARTITION (Text_Part_Z);
TEXTDATA NUMBERDATA
Z111X 530
ZZ1212 520
4) And to wrap up confirm an empty partition
SELECT * FROM IOTObj_Table PARTITION (Text_Part_W); -
How to create partitioned bitmap index in SQL Developer?
I am running SQL Developer version 3.0.04.34 ; on Windows 7 (64 bit) against:
Oracle Database 11g Enterprise Edition Release 11.1.0.7.0 - 64bit Production
PL/SQL Release 11.1.0.7.0 - Production
CORE 11.1.0.7.0 Production
TNS for Linux: Version 11.1.0.7.0 - Production
NLSRTL Version 11.1.0.7.0 - Production
I am trying to create a bitmap index on a partitioned fact table which is part of a data warehouse. The index is in support of a single-column foreign-key to a dimension table. Heretofore, we had been using partitioned B-Tree indexes. According to the Data Warehousing Guide, we should consider using bitmap indexes for this purpose. Accordingly, I was trying to create such an index in our development environment. I used SQL Developer to edit the table, and attempted to create a bitmap index using the advanced screen from the index edit screen. I changed the partition type to "Local" from "None" using the radio button. When I attempt to save this change, I get an error message "A bitmap index cannot have a global partition". This happens whether or not I have assigned storage for the partitions. The index partition names are the ones used successfully for the existing B-tree indexes. I can create the SQL for the index creation by hand, but it would be simpler and easier to maintain if I could use SQL Developer.
Any help on this issue would be appreciated.
Vin SteeleThere is a radio button for index type in the New Index... dialog and in the index section of the edit table dialog.
Which version of SQL Developer are you using?
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