Spatial Indexes Through Database Links

Has anyone tried to "use" a Spatial Index through a Database Link? Meaning you try take advantage of the spatial index on column TABLE_A.GEOM through a database link? An example is:
SELECT rownum, SHAPE FROM GDT_WATER_POLYGON WHERE AND SDO_FILTER( GDT_WATER_POLYGON.SHAPE SDO_CS.VIEWPORT_TRANSFORM(MDSYS.SDO_GEOMETRY(2003, 0, NULL,MDSYS.SDO_ELEM_INFO_ARRAY(1,1003,3), MDSYS.SDO_ORDINATE_ARRAY(-105.06685,39.7744332,-104.981869,39.8338768) ), 8265),'querytype=window') = 'TRUE'
where GDT_WATER_POLYGON is a public synonym to WATER_POLYGON@DBLINK
When I try this in the linked table, it works fine, but when I try it using the link, I get the following error:
ORA-13226: interface not supported without a spatial index
Am I forgetting to grant something or is it just not possible?
Thanks!

Hi,
Currently, using a spatial index through a database link is not possible.
Dan

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How to access the LOB objects through database links??????????????

How to access the LOB objects through database links??????????????

Hi
See:
http://asktom.oracle.com/pls/asktom/f?p=100:11:0::::P11_QUESTION_ID:52297289480186
http://asktom.oracle.com/pls/asktom/f?p=100:11:0::::P11_QUESTION_ID:5322964030684
And you also might want to get a new keyboard, your '?' seems to be stucked....

Write data from Oracle 9i 64 bit to Oracle 32 bit through database link

Hi to All:
We are using following Oracle 64 bit application.
Operating System: Sun Solaris 5.9
Database: Oracle 9i (64 bit)
Machine: Sun Server Spark V890
Now my questin is that I want to move data from the production database running in Oracle 9i 64bit on Sun server to Oracle 9i 32 bit on Windows Server 2002 thru database link.
I heard that it is not possible to write data from oracle 64 bit to oracle 32 bit, no matter what operating system we are using.
Please confirm me that whether we can write data through database link from Oracle 9i 64 bit to Oracle 32 bit.
Please specify every possible solution or any site from where I can have the solution.
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Hassan Raza Khan Lodhi

Create a test table ( in 64bits db) , add some data
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create table test_32
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OWB-Location for Sybase is defined through database link but not working.

Hi,
HS details are configured and database link from oracle to sybase database is working fine. In OWB, table list of sybase database is also displayed. Location defined for sybase database through connector which refers to database link created from oracle to sybase. While defining location on clicking of "Test" it gives result as successful. But when validation program is run for that location, it gives error that validation failed, specify correct host name, port number etc.. now, i am not able to solve this as database link is working fine and it is displaying list of table from sybase database. All the heterogeneous settings are done. I tried but sybase database doesn't allow direct connectivity so i define the location using connector which points to database link. Is there any thing missing in the setting of HS and do sybase allow connectivity direct from owb ?
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(If problem is not clear, please spare time to ask a question, i will reply immediately.)
With Regards,
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Amit - did you get anywhere on this?

Browsing and selecting through database link to fill in a form item

Hi
I have created a database link named in my application
dblink_3
I have a form and report in my application. On the from I have an item called P6_USER_ for which I would like to access a table (trk_user) through the database link I created so that I can fill in the text field or select list with a user from the table.
can I browse by a select list somehow? or do I need to create a button that takes me to a report with a list of the data in the table and select that way.
Please steer me in the right direction,
Thanks,
Kirk

Hi Kirk,
The fact that the data is on an external table shouldn't make any difference. You can do:
SELECT field1 d, field2 r FROM trk_user@dblink_3 ORDER BY 1
and that will give you your select list

Calling remote procedure through database link

Hi,
I have a procedure in a package with a type I delcared as follows:
Database1 :
create or replace package p1
is
TYPE dependents_rec IS RECORD (
name VARCHAR2 (80),
dob date);
TYPE dependents IS TABLE OF dependents_rec
INDEX BY BINARY_INTEGER;
procedure proc1 (p_id in number,
p_dependents out dependents );
end;
On another database database2 i want to call the above procedure from within a procedure in a package that works as a wrapper package with similar structure.
I recieve the error "Wrong number or types of parameters" error because type dependents is not the same as within the package in database 1.
How can I call the procedure p1.proc1 over a database link ?
Thank you

Hi,
On database1:
CREATE OR REPLACE PACKAGE types_pkg is
TYPE dependents_rec IS RECORD (
NAME VARCHAR2 (80),
sex NUMBER (1),
birth_date DATE,
birth_place NUMBER (3),
status NUMBER (1),
unique_id VARCHAR2 (15)
TYPE dependents IS TABLE OF dependents_rec
INDEX BY BINARY_INTEGER;
end;
CREATE OR REPLACE PACKAGE wrapper_pkg_demo
AS
PROCEDURE read_person_no (
p_person_id NUMBER,
p_dependent_info OUT types_pkg.dependents
END;
CREATE OR REPLACE PACKAGE BODY wrapper_pkg_demo
AS
PROCEDURE read_person_no (
p_person_id NUMBER,
p_dependent_info OUT types_pkg.dependents
IS
BEGIN
person_pkg.read_person_no (p_person_id, p_dependent_info);
END;
END;
On database 2:
CREATE OR REPLACE PACKAGE person_pkg
AS
PROCEDURE read_person_no (
p_person_id NUMBER,
p_dependent_info OUT types_pkg.dependents@database1
END;
CREATE OR REPLACE PACKAGE body person_pkg
AS
PROCEDURE read_person_no (
p_person_id NUMBER,
p_dependent_info OUT types_pkg..dependents@database1
IS
BEGIN
null;
END;
END;
When compiling the package body on database 1
ORA-04052: error occurred when looking up remote object TYPES@MOI
ORA-00604: error occurred at recursive SQL level 1
ORA-02019: connection description for remote database not found
Noting that the database link are working properly and when compiling the package on database 2, it compile successfully
Thank you

How to select for insert a long column through database link?

How may a long column (for example a sql server 2000 text column) be selected for insert into a clob column in table in 10g over a database link without invoking ora-00997?
I've tried using dbms_metadata_util.long2clob without success over a database link.

Is the remote database an Oracle database? Or are you selecting data from SQL Server 2000 over a database link via Heterogeneous Services? What is the data type of the column in the remote database (LONG? TEXT? Something else?)?
Justin

Job not executing through database link

hello all,
we have a database server with oracle 10g enterprise edition on RHEL 5.3 64-bit , we have created a procedure which pulls data from a remote server using a procedure. that procedure collect data in cursor ..both server are connected using RF connectivity..
but after every 2 or 3 days i saw that data is not pulled and job is marked as broken .... and when i mark that job as unbroken and try to rexecute that procedure it hangs for long.....
i don't understand whats going on....i have also seen large number of sessions in my database..is possible that huge number of session are consuming resources and that's why oracle is unable to execute the job??? i have check network also but it is fine...i can access that remote server using VNC or team viewer..so network is definitely not an issue...
i also set SQLNET.EXPIRE_TIME=10 in sqlnet.ora file and also created a profile for idle_time to get rid of excess inactive sessions....what might be issue??? any suggestion is appreciable...
thanks and regards
VD

hello sir,
actually it is not about the job, i am sure that procedure is causing problem..... because when i try to execute that procedure , it also hangs, i check all requirements need to be checked..... i think lots of inactive sessions causing this issue, but even after adding sqlnet and profile i is not removing those sesions and hence i think that procedure is not executing....
coz the database i am connecting is having already connections and doing lots of transactions...so i it possible that it might be an issue.??
sometime i also got timeout error while connection to that remote server but it is not issue because at the same time i am connected to it from another machine..
thanks and regards
VD

Database Link makes manipulation slow

i have oracle 8.5 with developer 6i.
my application uses two database server and there is a database link between both server.
when user make a transaction and commit the manipulation procedures post the transaction on local server and on other server through database link.
but some time it freezes when user press save button and resume after about 5 seconds. and even some time it hangs up for long time.
is there any solution to get rid of this problem?
i m working in a client server environment with LAN.
regards
adeel

how much time does it take if you do the same amount of data transaction on sqlplus with the two linked databases?
The solutions depend on the details of your task.
e.g.,if data are huge, using the database night cronjob to make the tansactions to the linked one.

DATABASE LINK NOT WORKING OR FETCHING QUERYIES

Hello,
Oracle Version : 9.2.0.1
O/S : Win XP SP2
Sir
I have to dbs (orcl and reccat) I want to create a database link from reccat to orcl. I have performed following steps and getting error in fetching query through database link.
SQL> Create database link foo connect to current_user using 'ORCL';
Database link created.
SQL> select * from scott.emp@foo;
select * from scott.emp@foo
*+
ERROR at line 1:
ORA-28030: Server encountered problems accessing LDAP directory service
My Tnsnames.ora is as :
TNSNAMES.ORA
ORCL =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = laptop)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = orcl)
INST1_HTTP =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = laptop)(PORT = 1521))
(CONNECT_DATA =
(SERVER = SHARED)
(SERVICE_NAME = MODOSE)
(PRESENTATION = http://HRService)
EXTPROC_CONNECTION_DATA =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC0))
(CONNECT_DATA =
(SID = PLSExtProc)
(PRESENTATION = RO)
STANDBY =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = laptop)(PORT = 1521))
(CONNECT_DATA =
(SERVICE_NAME = standby)
RECCAT =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = laptop)(PORT = 1521))
(CONNECT_DATA =
(SERVICE_NAME = reccat)
RECCAT_LAPTOP =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = laptop)(PORT = 1521))
(CONNECT_DATA =
(SID = reccat)
(SERVER = DEDICATED)
Listener.ora
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = laptop)(PORT = 1521))
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = g:\oracle\ora92)
(PROGRAM = extproc)
(SID_DESC =
(GLOBAL_DBNAME = orcl)
(ORACLE_HOME = g:\oracle\ora92)
(SID_NAME = orcl)
(SID_DESC =
(GLOBAL_DBNAME = standby)
(ORACLE_HOME = g:\oracle\ora92)
(SID_NAME = standby)
(SID_DESC =
(GLOBAL_DBNAME = reccat)
(ORACLE_HOME = f:\rec_cat)
(SID_NAME = reccat)
STANDBY =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = laptop)(PORT = 1521))
Pl. guide me where is the problem and how to rectify it.
Regards
Neeraj

Which portion of the documentation is that quote from ?
See this "+CURRENT_USER database links connect as a global user. A local user can connect as a global user in the context of a stored procedure--without storing the global user's password in a link definition.+ " at the 9.2 documentation that was provided to you earlier in this thread
http://download-uk.oracle.com/docs/cd/A97630_01/server.920/a96521/users.htm#17355
and "+CURRENT_USER database links connect as a global user. A local user can connect as a global user in the context of a stored procedure, that is, without storing the global user password in a link definition+." in the 10.2 documentation
http://68.142.116.70/docs/cd/B19306_01/network.102/b14266/admnauth.htm#i1006269
and the CURRENT_USER clause and the "Defining a CURRENT_USER Database Link" Example of the CREATE DATABASE LINK documentation in 10.2
http://68.142.116.70/docs/cd/B19306_01/server.102/b14200/statements_5005.htm#i2061505
Hemant K Chitale
http://hemantoracledba.blogspot.com

BLOBs and Database Links

Do Blobs work through Database Links? I have images in one database that I would like to render in a portal attached to another.

Hi I tried the following in sqlplus:
1)create a table(ATAB_CLOB) in a remote database(DB2) with a clob column
2)connect to the database(DB1) and create a database link (ADBLINK1) for the
remote database(DB2) .
3) create a synonym (ASYN_TAB) based on the remote table (ATAB_CLOB) using the
database link ADBLINK.
4) Now try to create a view based on this synonym,I see the same error:
SQL> create or replace view aview2 as select * from asyn_Tab;
create or replace view aview2 as select * from asyn_Tab
ERROR at line 1:
ORA-22992: cannot use LOB locators selected from remote tables
The message says it all.
This is a database limitation.
Hope this helps.
Anu

Commit through databse link

Hi all,
10.2.0.1
RHEL4
I am inserting some data to a remote location through database link.
SQL>insert into tbl1@dblnk select * from tbl1;
How should i commit?
How would commit take effect?

Commit as normal. Oracle will take care of it using two-phase commit.
For more information see:
http://download-uk.oracle.com/docs/cd/B19306_01/server.102/b14231/ds_txns.htm#g1013136
Message was edited by:
Anvar Huseynov
added the link

Intermedia search through a database link.

Has anyone been able to do a search through a database link on an intermedia index in another database?
My sql is:
select title
from [email protected]
where contains (title,'test')>0;
I get the following errors:
ORA-20000:
ORA-02063:
null

I guess you cannot do this. I read somewhere (not on top of my head where) that this is not supported.
null

20 Index Restriction on Remote Tables (i.e. using Database Links)

The Oracle Database Administrator's Guides for 10g and 11g document a performance restriction that "No more than 20 indexes are considered for a remote table." If I go back to the 8i documentation it says "In cost-based optimization, no more than 20 indexes per remote table are considered when generating query plans. The order of the indexes varies; if the 20-index limitation is exceeded, random variation in query plans may result."
Does anyone have more details on this performance restriction? In particular I am trying to answer these questions:
1) Are the 20 indexes which are considered by the CBO still random in 10g?
2) Can I influence which indexes are considered with index hints or will my hints only be considered if they are for one of the "random" 20 indexes which are being considered by the CBO?
3) Are there any other approaches or work-arounds to this restriction assuming you need to select from a large remote table with more than 20 indexes (and need to perform the selection using 1 of those indexes to get adequate performance) or do we need to abandon database links for this table?
Thanks in advance for your input.

So, here's my simple test.
SQL>
SQL> create table gurnish.indexes20plus ( n1 number, n2 number, n3 number, n4 number, n5 number, n6 number, n7 number,
2 n8 number, n9 number, n10 number, n11 number, n12 number, n13 number, n14 number, n15 number, n16 number,
3 n17 number, n18 number, n19 number, n20 number, n21 number, n22 number, n23 number, n24 number,
4 n25 number, n26 number, n28 number);
create index xin1 on indexes20plus (n1);
Table created.
SQL> SQL> create index xin2 on indexes20plus (n2);
create index xin3 on indexes20plus (n3);
Index created.
SQL> SQL>
Index created.
SQL> SQL> create index xin4 on indexes20plus (n4);
Index created.
SQL> SQL>
Index created.
SQL> SQL> create index xin5 on indexes20plus (n5);
create index xin6 on indexes20plus (n6);
Index created.
SQL> SQL>
Index created.
SQL> SQL> create index xin7 on indexes20plus (n7);
Index created.
SQL> SQL> create index xin8 on indexes20plus (n8);
Index created.
SQL> SQL> create index xin9 on indexes20plus (n9);
Index created.
SQL>
SQL> create index xin10 on indexes20plus (n10);
Index created.
SQL> SQL> create index xin11 on indexes20plus (n11);
create index xin12 on indexes20plus (n12);
create index xin13 on indexes20plus (n13);
Index created.
SQL> SQL>
Index created.
SQL> SQL>
Index created.
SQL> SQL> create index xin14 on indexes20plus (n14);
Index created.
SQL> SQL> create index xin15 on indexes20plus (n15);
Index created.
SQL>
SQL> create index xin16 on indexes20plus (n16);
Index created.
SQL>
SQL> create index xin17 on indexes20plus (n17);
Index created.
SQL> SQL> create index xin18 on indexes20plus (n18);
Index created.
SQL> SQL> create index xin19 on indexes20plus (n19);
Index created.
SQL> SQL> create index xin20 on indexes20plus (n20);
Index created.
SQL> SQL> create index xin21 on indexes20plus (n21);
Index created.
declare
i number;
begin
for i in 1..100
loop
dbms_random.seed(i+100);
insert into indexes20plus values (dbms_random.value(1,5),dbms_random.value(1,21),dbms_random.RANDOM, dbms_random.RANDOM,dbms_random.value(1,20),
dbms_random.value(1,4),dbms_random.value(1,6), dbms_random.value(1,7),dbms_random.value(1,9),dbms_random.value(1,10),
dbms_random.value(1,11),dbms_random.value(1,12),dbms_random.value(1,13),dbms_random.value(1,14),dbms_random.value(1,1),
dbms_random.value(1,1),dbms_random.value(1,19),dbms_random.value(1,122),dbms_random.value(1,20),dbms_random.value(1,20)
,dbms_random.value(4,20),dbms_random.value(1,20),dbms_random.value(1,20),dbms_random.value(1,20),dbms_random.value(1,20)
,dbms_random.value(4,20),dbms_random.value(4,20));
end loop;
commit;
end;
SQL> set autotrace traceonly
SQL> l
1* select * from gurnish.indexes20plus@lvoprds where n1 = 4
SQL> /
no rows selected
Execution Plan
Plan hash value: 441368878
| Id | Operation | Name | Rows | Bytes | Cost (%CPU
)| Time | Inst |
| 0 | SELECT STATEMENT REMOTE | | 1 | 351 | 1 (0
)| 00:00:01 | |
| 1 | TABLE ACCESS BY INDEX ROWID| INDEXES20PLUS | 1 | 351 | 1 (0
)| 00:00:01 | LVPRD |
|* 2 | INDEX RANGE SCAN | XIN1 | 1 | | 1 (0
)| 00:00:01 | LVPRD |
Predicate Information (identified by operation id):
2 - access("A1"."N1"=4)
Note
- fully remote statement
- dynamic sampling used for this statement
Statistics
0 recursive calls
0 db block gets
0 consistent gets
0 physical reads
0 redo size
1897 bytes sent via SQL*Net to client
481 bytes received via SQL*Net from client
1 SQL*Net roundtrips to/from client
0 sorts (memory)
0 sorts (disk)
0 rows processed
SQL> select * from gurnish.indexes20plus@lvoprds where n21 = 4;
no rows selected
Execution Plan
Plan hash value: 2929530649
| Id | Operation | Name | Rows | Bytes | Cost (%CPU
)| Time | Inst |
| 0 | SELECT STATEMENT REMOTE | | 1 | 351 | 1 (0
)| 00:00:01 | |
| 1 | TABLE ACCESS BY INDEX ROWID| INDEXES20PLUS | 1 | 351 | 1 (0
)| 00:00:01 | LVPRD |
|* 2 | INDEX RANGE SCAN | XIN21 | 1 | | 1 (0
)| 00:00:01 | LVPRD |
Predicate Information (identified by operation id):
2 - access("A1"."N21"=4)
Note
- fully remote statement
- dynamic sampling used for this statement
Statistics
1 recursive calls
0 db block gets
0 consistent gets
0 physical reads
0 redo size
1897 bytes sent via SQL*Net to client
481 bytes received via SQL*Net from client
1 SQL*Net roundtrips to/from client
0 sorts (memory)
0 sorts (disk)
0 rows processed
SQL>

HELP! FOR LOOP TO SCROLL THROUGH TABLE AND CREATE DATABASE LINK

Hi,
Here's the scenario, not much of a PL programmer, just basic SQL so really need some help people!
I have 2 tables. 1 contains list of DB's and the other contains rules to follow.
I need to create a loop that goes through the table containing the DB's and on each row a DB link is created (Only 1 link allowed!)
Once created, the schema currently logged in with also has an account on the linked DB in order to run scripts- The scripts are stored centrally hence the requirement for the link to the target DB.
There are numerous scripts that need to be executed and can all be called from 1 script, once executed the loop exists and the database link needs to be dropped.
Once dropped, the first loop continues, creating a DB link for the next DB listed in the table (and all the scripts are fired again)
This continues against all the DB's listed in the table.

Hi BlueShadow,
Thanks again for the response, you've hit the nail on the head. SQL scripts on a unix server, a loop goes through a table 1 at a time. Each row gets a link created and then all the scripts stored on the server are executed against the db linked to. So I'm assuming this is a loop within a loop.
1 loop to go through the table to create the link and then another loop within once connected to execute all the scripts against the connected DB. Once the scripts are run, the loop exits and moves onto the next server and so on until all the servers have the scripts are run.
It's PL/SQL scripts we're after and not shell scripts as this would free us from the OS constraints.
We have to drop the links due to security. Any idea on o

Spatial Indexes Through Database Links

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