Spatial Tables and Remote Queries

Hi Experts,
Can anyone explain me when and where to use Spatial Tables and Remote Queries with some examples.
Thanks in advance.

Hi,
there are some nice demos from Andrejus:
http://andrejusb.blogspot.com/search/label/Spatial
Hope it helps,
Friedhold

Similar Messages

  • Location of spatial tables and warehouse tables - recommendations

    Hi all,
    I have a question from a customer who's asking what the recommendation is of storage of the spatial tables and the warehouse tables.
    Should they reside on the same database for best performance or doesn't it matter where the spatial tables are located.
    Is there any official recommednation from Oracle on this?
    Best regards,
    Hakan

    Hello Mohan ,
    Table TOBJ store the authorization data in R/3 System .
    For further info refer thread :
    What does TOBJ table contain??
    Regards ,
    Santosh

  • Cannot INSERT records into Partitioned Spatial Table and Index

    I am trying to tune our Spatial Storage by creating partitioning our spatial_entity table and index. I used the World Geographic Reference System (GEOREF) creating a partition for each 15 x 15 degree grid square assigning a partition key of decimal longitude, decimal_latitude. The build went OK, however when trying to insert a data record I receive an ORA-14400: Inserted partition key does not map to any partition.
    I validated the CREATE(s), and all appears correct, but obviously something is not correct, which is prompting for expert help in this forum.
    I would be very grateful for your help.
    Below are the code snippets for the table and index, and an insert statement.
    CREATE TABLE spatial_entity
         geoloc_type VARCHAR2 (60 BYTE) NOT NULL
    ,entity_id NUMBER NOT NULL
    ,metadata_xml_uuid VARCHAR2 (40 BYTE) NOT NULL
    ,geoloc MDSYS.sdo_geometry NOT NULL
    ,nee_method CHAR (1 BYTE) NOT NULL
    ,nee_status CHAR (1 BYTE) NOT NULL
    ,decimal_latitude NUMBER (15, 6) NOT NULL
    ,decimal_longitude NUMBER (15, 6) NOT NULL
    PARTITION BY RANGE (decimal_longitude, decimal_latitude)
         PARTITION p_lt_0_90s
              VALUES LESS THAN (1, -90)
         ,PARTITION p_lt_0_75s
              VALUES LESS THAN (1, -75)
         ,PARTITION p_lt_0_60s
              VALUES LESS THAN (1, -60)
         ,PARTITION p_lt_0_45s
              VALUES LESS THAN (1, -45)
         ,PARTITION p_lt_0_30s
              VALUES LESS THAN (1, -30)
         ,PARTITION p_lt_0_15s
              VALUES LESS THAN (1, -15)
         ,PARTITION p_lt_0_0
              VALUES LESS THAN (1, 0)
         ,PARTITION p_lt_0_15n
              VALUES LESS THAN (1, 15)
         ,PARTITION p_lt_0_30n
              VALUES LESS THAN (1, 30)
         ,PARTITION p_lt_0_45n
              VALUES LESS THAN (1, 45)
         ,PARTITION p_lt_0_60n
              VALUES LESS THAN (1, 60)
         ,PARTITION p_lt_0_75n
              VALUES LESS THAN (1, 75)
         ,PARTITION p_lt_0_90n
              VALUES LESS THAN (1, maxvalue)
    CREATE INDEX geo_spatial_ind ON spatial_entity (geoloc)
    INDEXTYPE IS mdsys.spatial_index
    PARAMETERS ('layer_gtype=MULTIPOINT TABLESPACE=GEO_SPATIAL_IND') LOCAL
    (PARTITION p_lt_0_90s,
    PARTITION p_lt_0_75s,
    PARTITION p_lt_0_60s,
    PARTITION p_lt_0_45s,
    PARTITION p_lt_0_30s,
    PARTITION p_lt_0_15s,
    PARTITION p_lt_0_0,
    PARTITION p_lt_0_15n,
    PARTITION p_lt_0_30n,
    PARTITION p_lt_0_45n,
    PARTITION p_lt_0_60n,
    PARTITION p_lt_0_75n,
    PARTITION p_lt_0_90n,
    INSERT INTO spatial_entity
         geoloc_type
         ,entity_id
         ,metadata_xml_uuid
         ,geoloc
         ,nee_method
         ,nee_status
         ,decimal_latitude
         ,decimal_longitude
    VALUES
                   'BATCH'
                   ,0
                   ,'6EC25B76-8482-4F95-E0440003BAD57EDF'
                   ,"MDSYS"."SDO_GEOMETRY"
                        2001
                        ,8307
                        ,"MDSYS"."SDO_POINT_TYPE" (32.915286, 44.337902, NULL)
                        ,NULL
                        ,NULL
                   ,'M'
                   ,'U'
                   ,32.915286
                   ,44.337902
    Thank you for you help.
    Dave

    Thank you for your quick reply. I did not post the entire CREATE script as it is quite long. The portion of the script that is applicable to the INSERT is:
    ,PARTITION p_lt_45e_90s
              VALUES LESS THAN (23, -90)
         ,PARTITION p_lt_45e_75s
              VALUES LESS THAN (23, -75)
         ,PARTITION p_lt_45e_60s
              VALUES LESS THAN (23, -60)
         ,PARTITION p_lt_45e_45s
              VALUES LESS THAN (23, -45)
         ,PARTITION p_lt_45e_30s
              VALUES LESS THAN (23, -30)
         ,PARTITION p_lt_45e_15s
              VALUES LESS THAN (23, -15)
         ,PARTITION p_lt_45e_0
              VALUES LESS THAN (23, 0)
         ,PARTITION p_lt_45e_15n
              VALUES LESS THAN (23, 15)
         ,PARTITION p_lt_45e_30n
              VALUES LESS THAN (23, 30)
         ,PARTITION p_lt_45e_45n
              VALUES LESS THAN (23, 45)
         ,PARTITION p_lt_45e_60n
              VALUES LESS THAN (23, 60)
         ,PARTITION p_lt_45e_75n
              VALUES LESS THAN (23, 75)
         ,PARTITION p_lt_45e_90n
              VALUES LESS THAN (23, maxvalue)
    Or, I do not fully understand. Are you indicating that I must explcitly state the longitude in each clause,
    e.g ,PARTITION p_lt_45e_45n
              VALUES LESS THAN (45, 45)
    ,PARTITION p_lt_45w_45n
              VALUES LESS THAN (-45, 45)
    If so, that answers the question of why it cannot find a partition, however an Oracle White Paper "Oracle Spatial Partitioning Best Practices" Sept 2004, discusses multi column partitioning such as represented by this problem, and gives an INSERT statement example of :
    CREATE TABLE multi_partn_table (in_date DATE,
    geom SDO_GEOMETRY, x_value NUMBER, y_value NUMBER)
    PARTITION BY RANGE (X_VALUE,Y_VALUE)
    PARTITION P_LT_90W_45S VALUES LESS THAN (1,-45),
    PARTITION P_LT_90W_0 VALUES LESS THAN (1,0),
    PARTITION P_LT_90W_45N VALUES LESS THAN (1,45),
    PARTITION P_LT_90W_90N VALUES LESS THAN (1,MAXVALUE
    and as I am writing this I am seeing that I failed to include the longitude and latitude in the SDO_GEOMETRY clause, so it does appear tht I need to explicitly state the longitude valuues.
    What is your judgement sir?
    Dave

  • View joining two spatial tables and strange CBO behaviour

    Hi all,
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    Hi folks,
    Looking over these responses and not finding a lot of clarity yet in terms of leaving a trail for future readers to glean an answer from.  I was just looking through the back-and-forth and curious myself about the issue  First of all I think Jani's observations are quite on target.  This CBO reaction is weird and does not work they way most Oracle users would expect it to work.  Secondly, Jani really should tell us his Oracle version and folks providing answers should as well - the CBO is always being tweaked.  Thirdly, Stefan provides a solution though it's a rather expensive solution to my taste.  And finally, I think we as a group need to spend a bit more time reproducing things in code.  I will give it a shot, feel free to correct anything I got wrong.
    So first of all, I wrote this up quick on 12.1.0.2 and verified it was the same on 11.2.0.4
    DROP TABLE my_table1 PURGE;
    CREATE TABLE my_table1(
        objectid INTEGER NOT NULL
       ,tsource  VARCHAR2(30 Char)
       ,shape    MDSYS.SDO_GEOMETRY
       ,PRIMARY KEY(objectid)
    DROP TABLE my_table2 PURGE;
    CREATE TABLE my_table2(
        objectid INTEGER NOT NULL
       ,tsource  VARCHAR2(30 Char)
       ,shape    MDSYS.SDO_GEOMETRY
       ,PRIMARY KEY(objectid)
    DROP TABLE my_table3 PURGE;
    CREATE TABLE my_table3(
        objectid INTEGER NOT NULL
       ,tsource  VARCHAR2(30 Char)
       ,shape    MDSYS.SDO_GEOMETRY
       ,PRIMARY KEY(objectid)
    CREATE OR REPLACE PROCEDURE seeder(
       p_count IN NUMBER
    AS
       sdo_foo MDSYS.SDO_GEOMETRY;
       int_counter NUMBER := 1;
       FUNCTION random_line
       RETURN MDSYS.SDO_GEOMETRY
       AS
          num_x1 NUMBER;
          num_y1 NUMBER;
          num_offx NUMBER;
          num_offy NUMBER;
       BEGIN
          num_x1 := dbms_random.value(-179,179);
          num_y1 := dbms_random.value(-89,89);
          RETURN MDSYS.SDO_GEOMETRY(
              2002
             ,8265
             ,NULL
             ,MDSYS.SDO_ELEM_INFO_ARRAY(1,2,1)
             ,MDSYS.SDO_ORDINATE_ARRAY(
                  num_x1
                 ,num_y1
                 ,num_x1 + 0.0001
                 ,num_y1 + 0.0001
       END random_line;
    BEGIN
       FOR i IN 1 .. p_count
       LOOP
          sdo_foo := random_line();
          INSERT INTO my_table1
          VALUES (
              int_counter
             ,'table1'
             ,sdo_foo
          int_counter := int_counter + 1;
          sdo_foo := random_line();
          INSERT INTO my_table2
          VALUES (
              int_counter
             ,'table2'
             ,sdo_foo
          int_counter := int_counter + 1;
          sdo_foo := random_line();
          INSERT INTO my_table3
          VALUES (
              int_counter
             ,'table3'
             ,sdo_foo
          int_counter := int_counter + 1;
       END LOOP;
       INSERT INTO my_table1
       VALUES (
           0
          ,'table1'
          ,MDSYS.SDO_GEOMETRY(
               2002
              ,8265
              ,NULL
              ,MDSYS.SDO_ELEM_INFO_ARRAY(1,2,1)
              ,MDSYS.SDO_ORDINATE_ARRAY(
                   -87.8211111
                  ,42.5847222
                  ,-87.8212
                  ,42.5848
       INSERT INTO my_table3
       VALUES (
           0
          ,'table3'
          ,MDSYS.SDO_GEOMETRY(
               2002
              ,8265
              ,NULL
              ,MDSYS.SDO_ELEM_INFO_ARRAY(1,2,1)
              ,MDSYS.SDO_ORDINATE_ARRAY(
                   -87.8211111
                  ,42.5848
                  ,-87.8212
                  ,42.5847222
       COMMIT;
    END seeder;
    BEGIN
       seeder(100000);
    END;
    SELECT 'my_table1: ' || COUNT(*) AS invalid_count FROM my_table1 WHERE MDSYS.SDO_GEOM.VALIDATE_GEOMETRY_WITH_CONTEXT(shape,0.05) <> 'TRUE'
    UNION ALL
    SELECT 'my_table2: ' || COUNT(*) AS invalid_count FROM my_table2 WHERE MDSYS.SDO_GEOM.VALIDATE_GEOMETRY_WITH_CONTEXT(shape,0.05) <> 'TRUE'
    UNION ALL
    SELECT 'my_table3: ' || COUNT(*) AS invalid_count FROM my_table3 WHERE MDSYS.SDO_GEOM.VALIDATE_GEOMETRY_WITH_CONTEXT(shape,0.05) <> 'TRUE';
    BEGIN
       INSERT INTO user_sdo_geom_metadata(
           table_name
          ,column_name
          ,diminfo
          ,srid
       ) VALUES (
           'MY_TABLE1'
          ,'SHAPE'
          ,MDSYS.SDO_DIM_ARRAY(MDSYS.SDO_DIM_ELEMENT('X',-180,180,.05),MDSYS.SDO_DIM_ELEMENT('Y',-90,90,.05))
          ,8265
       COMMIT;
    EXCEPTION
       WHEN OTHERS
       THEN
          NULL;
    END;
    BEGIN
       INSERT INTO user_sdo_geom_metadata(
           table_name
          ,column_name
          ,diminfo
          ,srid
       ) VALUES (
           'MY_TABLE2'
          ,'SHAPE'
          ,MDSYS.SDO_DIM_ARRAY(MDSYS.SDO_DIM_ELEMENT('X',-180,180,.05),MDSYS.SDO_DIM_ELEMENT('Y',-90,90,.05))
          ,8265
       COMMIT;
    EXCEPTION
       WHEN OTHERS
       THEN
          NULL;
    END;
    BEGIN
       INSERT INTO user_sdo_geom_metadata(
           table_name
          ,column_name
          ,diminfo
          ,srid
       ) VALUES (
           'MY_TABLE3'
          ,'SHAPE'
          ,MDSYS.SDO_DIM_ARRAY(MDSYS.SDO_DIM_ELEMENT('X',-180,180,.05),MDSYS.SDO_DIM_ELEMENT('Y',-90,90,.05))
          ,8265
       COMMIT;
    EXCEPTION
       WHEN OTHERS
       THEN
          NULL;
    END;
    CREATE INDEX my_table1_spx ON my_table1
    (shape)
    INDEXTYPE IS MDSYS.SPATIAL_INDEX
    NOPARALLEL;
    CREATE INDEX my_table2_spx ON my_table2
    (shape)
    INDEXTYPE IS MDSYS.SPATIAL_INDEX
    NOPARALLEL;
    CREATE INDEX my_table3_spx ON my_table3
    (shape)
    INDEXTYPE IS MDSYS.SPATIAL_INDEX
    NOPARALLEL;
    BEGIN
       dbms_stats.gather_table_stats(USER, 'MY_TABLE1');
       dbms_stats.gather_index_stats(USER, 'MY_TABLE1_SPX');
       dbms_stats.gather_table_stats(USER, 'MY_TABLE2');
       dbms_stats.gather_index_stats(USER, 'MY_TABLE2_SPX');
       dbms_stats.gather_table_stats(USER, 'MY_TABLE3');
       dbms_stats.gather_index_stats(USER, 'MY_TABLE3_SPX');
    END;
    CREATE OR REPLACE VIEW my_view
    AS
    SELECT
    objectid
    ,'table1' AS tsource
    ,shape
    FROM
    my_table1
    UNION ALL
    SELECT
    objectid
    ,'table2' AS tsource
    ,shape
    FROM my_table2;
    set timing on;
    -- QUERY #1
    -- Jani's original setup, works as expected
    SELECT
    COUNT(*) AS single_geom_counter
    FROM
    my_view a
    WHERE
    MDSYS.SDO_RELATE(
        a.shape
       ,MDSYS.SDO_GEOMETRY(
            2002
           ,8265
           ,NULL
           ,MDSYS.SDO_ELEM_INFO_ARRAY(1,2,1)
           ,MDSYS.SDO_ORDINATE_ARRAY(
                -87.8211111
               ,42.5848
               ,-87.8212
               ,42.5847222
       ,'mask=anyinteract'
    ) = 'TRUE';
    -- QUERY #2
    -- Now the problem statement
    SELECT
    COUNT(*) AS table_problem_counter
    FROM
    my_view a
    WHERE
    MDSYS.SDO_RELATE(
        a.shape
       ,(SELECT b.shape FROM my_table3 b WHERE b.objectid = 0)
       ,'mask=anyinteract'
    ) = 'TRUE';
    -- QUERY #3
    -- Stefan's solution
    SELECT  /*+ ORDERED */
    COUNT(*) AS stefans_solution
    FROM
    my_table3 a
    ,my_view b
    WHERE
    a.objectid = 0
    AND MDSYS.SDO_RELATE(
        a.shape
       ,b.shape
       ,'mask=anyinteract'
    ) = 'TRUE';
    Anyhow, so the hard coded query #1 that Jani provided works exactly the way most folks would expect, the second item in the relate is applied to each spatial index participating in the view.  I think we can agree this is what we want.
    Now when we move on to the problem, well its all goes off the rails as I think its looks to apply the spatial filter to the view itself which lacks an index (not sure really)
    So as Stefan says, you can work around this by rewriting things as query #3 does above though now its a full table scan of both tables in the view.  This is a long way performance wise from Query #1!
    So on my 12c test box
       query #1 Elapsed: 00:00:00.016
       query #3 Elapsed: 00:00:33.534
    On 11g production box
       query #1 Elapsed: 00:00:00.49
       query #3 Elapsed: 00:02:31.45   (ouch!)
    So hopefully someone else can jump in with more information on better solutions?  
    I overall tend to avoid the kind of unioned views that Jani is using here.  I have a hard time recalling why but I must have been burned similarly many years ago when I was first starting with Oracle spatial.  I tend to always want my spatial indexes right there where I can keep a grim stink eye on them.  It may be that a unioned view with multiple spatial indexes behind it might just be a bad practice better done with a materialized view?  Or maybe a lesser term?  Unprofitable practice?  fraught?  "Best if you don't do that"?
    Anyhow, I would be interested in what others have as input on the matter.
    Cheers,
    Paul

  • Spatial tables in Data warehouse database or separate?

    Hi all,
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    Should they reside on the same database for best performance or doesn't it matter where the spatial tables are located.
    Is there any official recommednation from Oracle on this?
    Best regards,
    Hakan

    Hi Hakan,
    it's not easy to give a quick answer here.
    a) you want to compare warehouse tables with spatial tables
    To answer this very well you should define what is a warehouse table and what is a spatial table. In this forum you will get for spatial tables the definition "A spatial table is a table with one or more columns of type SDO_GEOMETRY". How do you define a spatial table and how do you define a warehouse table?
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    I don't know if there is a official statement from Oracle which is usefull to answer your query.
    Can you ask a little bit particular please?
    In my experience there it is not adviseable to store tables in different databases (instances) when I have to query it together. If you split the tables in different instances, the execution has much more overhead because you have to talk to 2 instances and it will very hard for the optimizer to find the best execution plan.
    Regards
    U. Martin

  • How to add spatial information and property information in one transaction

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    zhimin

    through triggers

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    I created a copy for a spatial table using.
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    Other than that I haven't done anything other than select queries.

  • 3 queries 3 tables and in a NON-relational DBMS

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    the goal is really to get the case_nbr with all criterias from query1,2,3 and table 1,2,3.
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    hmm, thanks in advance

    Hi
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    from Tcase a , tloc b , tla_prop c
    where c.plan_area_nbr = '1'
    and b.loc_id = c.Prop_id
    and a.Aplc_id = b.aplc_id
    Ott Karesz
    http://www.trendo-kft.hu

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