Discuss the componet of Oracle "Oracle Spatial "
Hi,Everyone!
I'm studing the spatial index with the oracle spatial,cause the oracle have two index methods: R-tree and Quadtree.The index I have completed!
Now,I have some problem whit performance test.I didn't kown how complete the performance test(such as:need some space when it index,time with query.)
Hi,Everyone!
I'm studing the spatial index with the oracle spatial,cause the oracle have two index methods: R-tree and Quadtree.The index I have completed!
Now,I have some problem whit performance test.I didn't kown how complete the performance test(such as:need some space when it index,time with query.)
Similar Messages
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Help define the requirements for an Oracle Spatial management tool
Hi,
We are developing a tool that, we hope, will be indispensable for all Oracle Spatial and Locator dbas/users. We've released version 1.0, but we need your help to define the requirements for the next version.
What features would you like to have in a management tool for your spatial databases?
The features we've got so far:
1. Viewing of vector data in a map + attributes
2. Loading from shapefiles
3. Exporting to shapefiles
4. Validating metadata, indexes and spatial data.
We are adding editing of vectors in the next version - basic stuff for add, update and delete.
But there must be a lot more. What do you find difficult to do in Oracle Spatial/Locator? What would you like in a tool such as this?
Any feedback either to myself or the forum is much appreciated.
cheers,
Andrew
[email protected]
PS If you like to have a look at what we have done so far, go to http://www.geometryit.com/products/spatialConsole.phpAndrew knows what I have asked for but for others to think about and to start
the ball rolling, here's what they are:
1. Ability to enter own SQL commands but with PARAMETERS for attributes
and shapes as in the following examples:
SELECT ...
FROM my_spatial_table a
WHERE a.ATTRIBUTE = :attr
AND MDSYS.SDO_RELATE(a.shape,:polygon,'mask=anyinteract') = 'TRUE'
When executed the attribute value is asked for via a input box (data type?)
and the user is asked to define the SDO_GEOMETRY for the :polgygon parameter via mouse clicks on the screen.
Similarly, this would work for INSERT, UPDATE and DELETE...
INSERT INTO my_spatial_table (shape) values(:polygon)
The data type of an attribute parameter could be determined in two ways:
a) By querying the Oracle catalog;
b) By using a "PARAMETERS" command before the query as follows
PARAMETERS name type [(size)] [, name type [(size)] ...]
The PARAMETERS declaration has these parts:
name The name of the parameter.
type The type of the parameter.
size The size of the parameter in characters or bytes.
2. When executing an SQL SELECT statement I would like the tool
to suggest the HINTS that are needed to improve performance.
3. Following on from 2, I would like to Tick an option that would return the
EXPLAIN PLAN that the query optimizer used when executing my query.
4. The tool has to support ALL Oracle's spatial vector data types.
5. It would be nice to be able to work with GeoRasters. Since Spatial Console
imports/exports shapefiles why not the same for rasters. However, the problem
with supporting foreign data formats is WHERE DO YOU STOP!!!!!
6. You could allow for the styling of the Spatial Console to be stored in the MapViewer catalogs or use the MapViewer catalogs when styling an Sdo_Geometry if it exists (I note that your tool extracts the SDO_METADATA
why not the MapViewer metadata as well)?
regards
S. -
Hi all,
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Thanks a lot.
Jinran1) There is a separate forum for Spatial which has some discussion on this;
2) You could come to an Oracle University Oracle Spatial course - I always discuss these exact questions (but it takes about 1 hours to walk trough it, so I will not do that in the forum)
3) If you want to use Spatgial, run (don;t walk) to the nearest book store and order the Apress Spatial book. http://www.apress.com/book/view/1590593839 covers what you want, and http://www.apress.com/book/view/1590598997 will covers what you want as well as the improvements to 11g. -
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It really difficult to explain without pictures. Please look at this page.
http://www.h2ss.co.uk/q/question.jsp
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I acknowledge that what bkzar and jsharma say will work. But in real terms it is impractical for me to create a new table with the SDO_GEOMETRY's. I have over a thousand polygons, each with over 5000 points in my spatial table.
Let me give you a background to what I am trying to achieve.
I am trying to extract features from 11g and render them on Google Maps. However some of my polygons are huge and have over 5000 points, Google cannot render them effectively, however Google does give me the coordinates of the visible view, i.e the current rectangle view.
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Thanks -
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Hi All,
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Please help me out in resolving this issue.
Thanks in advanceHi,
This is an Oracle Database specific error, ORA-01858.
You posted on the wrong forum, this is the Berkeley DB (Core) forum.
Your question should probably be best posted on General Database Discussions.
Regards,
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I installed Oracle 9i spatial database for Windows XP in C: driver. I wonder if Oracle 9i Spatial could be removed to E: driver. If not, how to delete Oracle 9i database.
Cheers, HelenIdentifying where the datafiles are:
C:\Documents and Settings\pdsigeplab>SET ORACLE_SID=TEST
C:\Documents and Settings\pdsigeplab>sqlplus /nolog
SQL*Plus: Release 9.2.0.1.0 - Production on Fri Jun 4 14:57:16 2004
Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.
SQL> conn sys as sysdba
Enter password:
Connected.
SQL>
SQL> desc dba_data_files
Name Null? Type
FILE_NAME VARCHAR2(513)
FILE_ID NUMBER
TABLESPACE_NAME VARCHAR2(30)
BYTES NUMBER
BLOCKS NUMBER
STATUS VARCHAR2(9)
RELATIVE_FNO NUMBER
AUTOEXTENSIBLE VARCHAR2(3)
MAXBYTES NUMBER
MAXBLOCKS NUMBER
INCREMENT_BY NUMBER
USER_BYTES NUMBER
USER_BLOCKS NUMBER
SQL> select file_name from dba_data_files;
FILE_NAME
C:\ORACLE\ORADATA\TEST\SYSTEM01.DBF
C:\ORACLE\ORADATA\TEST\UNDOTBS01.DBF
C:\ORACLE\ORADATA\TEST\INDX01.DBF
C:\ORACLE\ORADATA\TEST\TOOLS01.DBF
C:\ORACLE\ORADATA\TEST\USERS01.DBF
C:\ORACLE\ORADATA\TEST\XDB01.DBF
6 rows selected.
SQL>Joel Pérez
http://otn.oracle.com/experts -
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[http://www.microsoft.com/express/Database/]
Roberto.
Edited by: rober584812 on Apr 27, 2010 5:09 PM
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Sarayuuser13312943 wrote:
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