CacheStore implementation for multiple table

Hi,
Is it possible to configure the <cachestore-scheme> element or implement cachestore to get data from multiple
table. Currently the xml and cachestore sample in the tutorial is configured for single table.
Thanks
-thiru

hello Aleks,
"As Rob mentioned, you can implement CacheStore to do pretty much anything you want: do a join across multiple tables, execute multiple queries to get data from multiple tables, or even access non-database system, such as a legacy system or a web service in order to retrieve data. Coherence really doesn't care how you implement your cache store and where you get the data from, as long as you return a single object for the load method that needs to be inserted into the cache that the cache store is configured for (or in the case of loadAll, multiple objects in a map)."
as long as you return a single object for the load method that needs to be inserted into the cache that the cache store is configured for (or in the case of loadAll, multiple objects in a map) -> when you say this.. how can we configure the cache store to be configured for an object?
I am new to the coherence. Correct me if I am wrong.
because as I see cache-store will be configure with cache right?
<cachestore-scheme>
<class-scheme>
   <class-name>com.company.MyCacheStore</class-name>
      <init-params>
         <init-param>
            <param-type>java.lang.String</param-type>
            <param-value>cache-info</param-value>
         </init-param>
      </init-params>
</class-scheme>
</cachestore-scheme>
Here it is referring to the cache "cache-info" and in the cache "cache-info", I can have Object1 with Key1, Object2 with Key2 and Object3 with Key3, As long as I return any object (object1,object2,object3) it is fine right.
My cache have 3 objects Object1,Object2 and Object3,
In cache-store, based on type of the Key I will perform the processing and return the corresponding object. Is it wrong?
Please comment.
Thanks in Advance.

Similar Messages

Can we use single DB Adapter for multiple tables

Hi,
I have 3 tables. ONE is the Master table and other 2 tables having Primary and foreign key relationships with the Master Table.
Data is enter in the Tables 2 & 3 (based on Master Table Primary key)
I have to use a DB Adapter in BPEL Process which will be in Transaction (what type of Transaction is Best in such a Scenario).
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as we want to avoid using multiple DB Adapters, as in future Tables may increase or decrease...
- while in Transaction if Table 2 fails in Inserting / Updating, it should roll back on error and also if Table 3 fails in Inserting / Updating, it should roll back table 2 and Table 3.
- how access to concurrent users is maintained / managed in such a scenarios.
But everything should be done using Single DB Adapter without creating a separate view.
Is this Possible in BPEL..
If not, How do we design, Implementation such a BPEL Process in Transaction with a best in Performance (both BPEL Process & DB Resources)
thanks in advance
thanks & regards,
anvv sharma

Hi,
Thanks for your quick response.
I have few quires.
If we use PL/SQL, how do we implement transaction and Exception Handling appropriately based on the Error / Exception in BPEL.
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[ADF Help] How to create a view for multiple tables

Hi,
I am using Jdeveloper 11G and ADF framework, and trying to create a view to update multiple tables.
ex:
Table A has these fields: ID, Name
Table B has these fields: ID, Address
A.ID and B.ID are primary keys.
B.ID has FK relationship with A.ID
(basically, these tables have one-to-one relation)
I want to create a view object, which contains these fields: B.ID (or A.ID), A.Name, B.Address.
So I can execute C,R,U,D for both tables.
I create these tables in DB, and create entity objects for these tables.
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So... how can I create a view for multiple tables correctly?
Thanks for any advices!
Here are some pictures about my problem, if there is any unclear point, please let me know.
http://leonjava.blogspot.com/2009_10_01_archive.html
(A is Prod, B is CpuSocket)
Edited by: user8093176 on Oct 25, 2009 12:29 AM

Hi Branislav,
Thanks, but the result is same ....
In the step 2 of creating view object, I can select entity objects to be added in to the view.
If I select A first, and then select B (the "Source Usage" of B is A), then finishing the wizards.
When I try to create a new record in the view, I can't edit any properties of B (those files are disabled).
If I select B first, and then select A in crating view object, the result is similar ...
Thanks for any further suggestion.
Leon

User Datastore for multiple tables and columns!

Hi,
I hop so much, someone can help me.
I've made a user datastore to index multiple columns of multiple tables.
Now, the Documentation of Oracle explains the idexing of one table.
I have multiple tables, which have all, the columns descr and tagnr. I want to make a query sth like this:
select table1.column, table2.columnd... where contains(indexed field,'gas within descr',1)>0
is it possible to index 4 seperate tables, without having a collective key? I dont want to make a Concatenated Datastore.
I have wrote this code.
But it doesn't work. It's been compiled fine. But I don't get any result with my queries.
create or replace
procedure My_Proc_Wide
Must be in ctxsys schema.
In a full-scale example, this would be a wrapper
for a proc in the user schema.
rid in rowid,
tlob in out NOCOPY clob /* NOCOPY instructs Oracle to pass
this argument as fast as possible */
is
v_descr varchar2(80);
v_tagnr varchar2(30);
v_descr_name constant varchar2(20) := 'descr';
v_descr_start_tag constant varchar2(20) := '<' || v_descr_name || '>';
v_descr_end_tag constant varchar2(20) := '</' || v_descr_name || '>';
v_tagnr_name constant varchar2(20) := 'tagnr';
v_tagnr_start_tag constant varchar2(20) := '<' || v_tagnr_name || '>';
v_tagnr_end_tag constant varchar2(20) := '</' || v_tagnr_name || '>';
v_buffer varchar2(4000);
v_length integer;
begin
/* verify the env which called this */
if Dbms_Lob.Istemporary ( tlob ) <> 1
then
raise_application_error ( -20000,
'"IN OUT" tlob isn''t temporary' );
end if;
/* the real logic */
/* first tabel to be indexed */
select t1.tagnr, t1.descr
into v_tagnr, v_descr
from tweb.pdp_positions t1
where t1.rowid = rid;
v_buffer := v_tagnr_start_tag ||
v_tagnr ||
v_tagnr_end_tag ||
v_descr_start_tag ||
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     v_descr_end_tag;
v_length := length ( v_buffer );
Dbms_Lob.WriteAppend(tlob, length(v_buffer) + 1, v_buffer || ' ');
/* second table to be indexed */
select t2.tagnr, t2.descr
into v_tagnr, v_descr
from tweb.pdp_schema_equ t2
where t2.rowid = rid;
     v_buffer := v_tagnr_start_tag ||
v_tagnr ||
v_tagnr_end_tag ||
v_descr_start_tag ||
     v_descr ||
     v_descr_end_tag;
v_length := length ( v_buffer );
Dbms_Lob.WriteAppend(tlob, length(v_buffer) + 1, v_buffer || ' ');
/*third table to be indexed */
select t3.tagnr, t3.descr
into v_tagnr, v_descr
from tweb.pdp_equipment t3
where t3.rowid = rid;
     v_buffer := v_tagnr_start_tag ||
v_tagnr ||
v_tagnr_end_tag ||
v_descr_start_tag ||
     v_descr ||
     v_descr_end_tag;
v_length := length ( v_buffer );
Dbms_Lob.WriteAppend(tlob, length(v_buffer) + 1, v_buffer || ' ');
/* fourth table to be indexed */
select t4.tagnr, t4.descr
into v_tagnr, v_descr
from tweb.pdp_Projcode t4
where t4.rowid = rid;
     v_buffer := v_tagnr_start_tag ||
v_tagnr ||
v_tagnr_end_tag ||
v_descr_start_tag ||
     v_descr ||
     v_descr_end_tag;
v_length := length ( v_buffer );
Dbms_Lob.WriteAppend(tlob, length(v_buffer) + 1, v_buffer || ' ');
end My_Proc_Wide;
what have I to do, to make this work?
Any Help would be appriciated!!
Kind Regards,
Arsineh

Arsineh,
I realise that it has been quite some time since you posted this question but I thought I'd reply just in case you never did manage to get your user datastore working.
The reason your procedure will not work is simple. A user datastore procedure accepts a rowid input parameter. The rowid is the ID of the row that Oracle Text is currently trying to index. In the example you have given, you are attempting to use the supplied rowid as the primary key for multiple tables, this will simply never work as the rowid's across multiple tables will never correspond.
The best way to achieve your goal is to create the index on a master table which contains the common primary keys for each of your four tables e.g.
MASTER_TABLE
COL:COMMON_KEY (NUMBER(n))
COL:USER_INDEX_COLUMN (VARCHAR2(1))
If you create the user datastore index on the MASTER_TABLE.USER_UNDEX_COLUMN column your stored proc simply needs to read the correct row from the MASTER_TABLE (SELECT t.common_key into v_CommonKey FROM master_table t WHERE t.rowid = rid) and issue subsequent queries to extract the relavant data from the t1..t4 tables using the common key e.g.
SELECT t1.tagnr, t1.descr into v_tagnr, v_descr FROM t1 WHERE t1.[PRIMARY_KEY_FIELD] = v_CommonKey;
SELECT t2.tagnr, t2.descr into v_tagnr, v_descr FROM t2 WHERE t2.[PRIMARY_KEY_FIELD] = v_CommonKey;
and so on...
Hope this helps
Dean

Plsql coding for multiplication table

hai i need plsql coding for multiplication table can any one plzzzz.....

SELECT AVBELN AFKDAT AVTWEG ASPART AWAERK AKURRF AKUNAG AKNUMV
         BPOSNR BFKIMG BNETWR BMATNR
         DBEGRU ELABOR E~MATKL
         INTO CORRESPONDING FIELDS OF TABLE ITAB
         FROM VBRK AS A INNER JOIN VBRP AS B
              ON AVBELN EQ BVBELN
         INNER JOIN J_1IEXCHDR AS C
              ON AVBELN EQ CRDOC
         INNER JOIN KNVV AS D
              ON DKUNNR EQ AKUNAG AND
                 DVKORG EQ AVKORG AND
                 DSPART EQ ASPART AND
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         INNER JOIN MARA AS E
              ON EMATNR EQ BMATNR
         WHERE A~FKDAT IN S_FKDAT AND
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               A~VTWEG IN S_VTWEG AND
               A~SPART IN S_SPART AND
               A~KUNAG IN S_KUNAG AND
               A~FKSTO NE 'X'     AND
               B~WERKS IN S_WERKS AND
               C~TRNTYP = 'DLFC' AND
               E~LABOR IN S_LABOR AND
            C~SRGRP IN ('01','02','03','31','32','33','41','42','43',
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               B~MATNR IN S_MATNR AND
               D~BEGRU IN S_BEGRU AND
               E~MATKL IN S_MATKL.
but my suggestion not to use more than 2 table in inner join it will affect in performance use for all entries instead of join.
regards
shiba dutta

Sample coding for multiple table join

Hi,
i need a sample coding for multiple table join. can anyone help me out.
regards
Gokul

SELECT AVBELN AFKDAT AVTWEG ASPART AWAERK AKURRF AKUNAG AKNUMV
         BPOSNR BFKIMG BNETWR BMATNR
         DBEGRU ELABOR E~MATKL
         INTO CORRESPONDING FIELDS OF TABLE ITAB
         FROM VBRK AS A INNER JOIN VBRP AS B
              ON AVBELN EQ BVBELN
         INNER JOIN J_1IEXCHDR AS C
              ON AVBELN EQ CRDOC
         INNER JOIN KNVV AS D
              ON DKUNNR EQ AKUNAG AND
                 DVKORG EQ AVKORG AND
                 DSPART EQ ASPART AND
                 D~BEGRU NE SPACE
         INNER JOIN MARA AS E
              ON EMATNR EQ BMATNR
         WHERE A~FKDAT IN S_FKDAT AND
               A~FKART EQ 'F2'    AND
               A~VTWEG IN S_VTWEG AND
               A~SPART IN S_SPART AND
               A~KUNAG IN S_KUNAG AND
               A~FKSTO NE 'X'     AND
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               C~TRNTYP = 'DLFC' AND
               E~LABOR IN S_LABOR AND
            C~SRGRP IN ('01','02','03','31','32','33','41','42','43',
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               B~MATNR IN S_MATNR AND
               D~BEGRU IN S_BEGRU AND
               E~MATKL IN S_MATKL.
but my suggestion not to use more than 2 table in inner join it will affect in performance use for all entries instead of join.
regards
shiba dutta

Dynamic select for multiple tables

Hi Thanks for your reply.Can you please help me in this issue.
I have a requirement like how to select data from multiple tables using dynamic select. How do we maintain dynamic where condition.
Manohar.

[How to write dynamic where clause|How to write a Dynamic Where clause]

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Any help would be greatly appreciated.

Highlight the table, right click, goto Format Table, then on the Appearance tab you can set the dynamic placement properties of the table relative to other tables.

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1. Create main GUID table to hold all primary keys and table names
2. All primary keys will be created by sys.guid to ensure all keys are unique.
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4. If a Note is deleted – it deletes from the main GUID table and the delete cascades down to all other tables.
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(     "GUID" NUMBER,
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(     "GUID" NUMBER,
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(     "GUID" NUMBER,
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(     "GUID" NUMBER,
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Is there a better way to do this? I feel like I'm talking myself into circles.

hi ,
Can u explain the 'LOGIC' mistake which u have figured out .. will be useful for freshers and beginners
With Warm Regards
ssr

Ovs implementation for multiple field

Hi,
Is it possible to set OVS(Object Value Selector) for multiple input fields in a single screen?
Field1: From [ ] To [ ]
Field2: From [ ] To [ ]
Field3: Form [ ] To [ ]
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If I implement seperate OVSListener for each From and To fields with sepeare context attributes, it works.
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One trigger for Multiple tables

Hi all,
I want write a trigger for mutiple tables.
For Example,
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the above example for all insert and delete also.
Regards
Fame

Hi, Fame,
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I have split a table with many many columns into more tables with a lower number of columns
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I want to avoid manually writing processes with lot of PL/SQL code to handle row fetch & update.
That is unavoidable given how you have designed the underlying tables.
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Scheduled Job to gather stats for multiple tables - Oracle 11.2.0.1.0

Hi,
My Oracle DB Version is:
BANNER Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
PL/SQL Release 11.2.0.1.0 - Production
CORE 11.2.0.1.0 Production
TNS for Linux: Version 11.2.0.1.0 - Production
NLSRTL Version 11.2.0.1.0 - Production
In our application, we have users uploading files resulting in insert of records into a table. file could contain records ranging from 10000 to 1 million records.
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We have 2 such tables which grow based on user file uploads. I would like to schedule a job to gather stats during a non peak hour apart from the nightly automated oracle job for these two tables.
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I plan to execute the below procedure as a scheduled job using DBMS_SCHEDULER.
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create or replace
PROCEDURE p_manual_gather_table_stats AS
TYPE ttab
IS
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The question was, is there a better way, and you partly answered it.
Somiya, you have to be sure the queries have appropriate statistics when the queries are being run. In addition, if the queries are being run while data is being loaded, that is going to slow things down regardless, for several possible reasons, such as resource contention, inappropriate statistics, and having to maintain a read consistent view for each query.
The default collection job decides for each table based on changes it perceives in the data. You probably don't want the default collection job to deal with those tables. You probably do want to do what Dan suggested with the statistics. But it's hard to tell from your description. Is the data volume and distribution volatile? You surely want representative statistics available when each query is started. You may want to use all the plan stability features available to tell the optimizer to do the right thing (see for example http://jonathanlewis.wordpress.com/2011/01/12/fake-baselines/ ). You may want to just give up and use dynamic sampling, I don't know, entire books, blogs and papers have been written on the subject. It's sufficiently advanced technology to appear as magic.

Structure for Receiver Jdbc adapter for multiple tables

Hi,
For Receiver JDBC adapter,Standard structure
structure as
Statement
   Tablename(TABLE1)
        Action
        Access
Can i make a structure like
Statement
     Tablename(TABLE1)
        Action
        Access
            fields....
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        Action
        Access
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As i am using tables and I want to insert or update both of them or one based on some conditions.
Will Insert be possible in single Statement or I have to create separate statements for each table. Can you please help me on this?
Thanks in advance
Best Regards,
Harleen Kaur Chadha

Hi Harleen,
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Statement
Tablename(TABLE1)
   Action
   Access
     fields....
Tablename(TABLE2)
   Action
   Access
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Statement1
Tablename(TABLE1)
   Action
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Statement2
Tablename(TABLE2)
   Action
   Access
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       Thank you, and best regards,
       Wilson

SQL*LOADER control file for Multiple Tables

Dear DBA's
I am loading data throgh SQL*LOADER in Oracle. I have some problem, While
Inserting data into multiple table I have created single Control file in
following way which is giving me error, Data is stored in seprate fileswith
tablename.dat, So each tables data is stored in seprate .DAT file. So Iwant to
insert data from single control file taking data from .dat multiple files into
multiple tables. Is it possible?? or some different method
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Thanks & Regards
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CREATE TABLE T1 (
L1 VARCHAR2(10),
L2 NUMBER(10),
L4 NUMBER(10),
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L1 VARCHAR2(10),
L2 NUMBER(10),
L3 LONG,
L4 NUMBER(10),
MYDATE DATE)
CONTROL FILE :-
UNRECOVERABLE LOAD DATA
INFILE 't2.dat'
INSERT INTO TABLE t2
FIELDS TERMINATED BY ','
OPTIONALLY ENCLOSED BY '"'
TRAILING NULLCOLS
( l1 char,l2 char,l4 char,mydate date,l3 char(2000000))
INFILE 't1.dat'
INSERT INTO TABLE t1
FIELDS TERMINATED BY ','
OPTIONALLYENCLOSED BY '"'
TRAILING NULLCOLS
( f1 char,f2 char,f4 char))
T2.DAT
Raju,14,1,09-NOV-2000,"Has a powerful data parsing,engine which putslittle
limitation on the format of the data in thedatafile."
Manu,14,2,09-NOV-2000,"Can load data from multiple datafiles, during the same
load session. "
T1.DAT
Raj,14,1,09-NOV-2000
Mau,14,2,09-NOV-2000
null

Hi,
I tried to use your control file and got numerous erros.
try using seperate control files:
T1.CTL:
LOAD DATA
INFILE 'D:\T2.dat'
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( l1 char,l2 char,l4 char,mydate date,l3 char(20000))
T2.CTL
LOAD DATA
INFILE 'D:\T1.dat'
INSERT INTO TABLE t1
( l1 char,l2 char,l4 char,mydate date)

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