What are the relationship between JPA and Hibernate, JPA and TopLink?
What are the relationship between JPA and Hibernate, JPA and TopLink?Can APP instead of Hibernate and TopLink?
The Java Persistence API (JPA) is the persistence of mapping relational object
standard for Java. Hibernate and TopLink provide a Java Open source object-relational mapping framework.
They provide an implementation for the Java Persistence API. In my opinion, Hibernate and TopLink support JPA
and they can also be seen as complementary to APP.
We will wait to see the opinions of the other person.
Tags: Fusion Middleware
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What are the relationships between the logging and IKM?
What is the best method to use in the following scenario:
I have about 20 tables with the large amount of data sources.
I need to create interfaces that join the source tables in target tables.
The tables are inserted every few seconds with about hundreds of thousands lines.
There may be a gap of a few seconds between the insertion of different tables that could be attached.
The source and target tables are on the same Oracle instance and schema.
I want to understand the role of: 'Logging CDC' and "IKM - incremental" and
How can I use it in my script?
In general, what are the relationships between "Logging" and 'IKM '?
Use both? Or maybe it's better deelte and insert the target tables?
I want to understand what is the role of "Logging CDC"?
Can 'IKM - incremental' work without "logging"?
Must 'Logging' have PK on the tables?
What should I do if I can't say PK (there may be several identical lines)?
Yael thanks in advanceuser604062 wrote:
Hello
Thanks for your quick response!No probs - its still fresh in memory I did a major project on this topic last year (400 tables, millions of lines per day (inserts, updates, deletes), sup-5 minute latency). The problem is it isn't that well written on the web, that you have read the blog of the example I linked to in my first answer? See also here: http://odiexperts.com/changed-data-capture-cdc/
Always on logging:
My source table is inserted all the time.
The interface to join the source table in the target table.In ODI, the correct term would be your source table "fits" in the table target, unless you mean literally that want to join the the source with the taget table table? My question if you want to do with the result of the join?
What exactly the "journaling" CDC updates?
It updates the model of ODI? interfaces? The source of data in the model of ODI? The target table?Logging CDC configures and deploys the data capture mechanism (Triggers or log based capture, IE Logminer/streams/Goldengate) - it is not updated the model as such, she pointed out the metadata of the model of ODI repositoty as a CDC data store, allowing you, the developer say ODI to use log data if you wish (reported in the interface) There is no change in the target table, you get an indicator of metadata (IND_UPD) against a line during the integration (in C$ and I have tables$) that tells you if its insertion (I) and update (U) or deletion (D). It had ' lines allow you to synchronize the deletions, but yoy say its inserts only then you probably used use this option. "
So the only changes are the source table to your interface, another diary data (if you use logging) or the table of the actual source (if not using the logging).This is the main thing that I don't understand!
I hope I made a little clearer.
Try the following as a quick test:
Reverse a source table an engineer and the target (at least) table.
Import the update incremental LKM and IKM.
Import of the JKM you want to use.Create an interface between the source and the target without any deployed JKM.
Configure the options of JKM on the model, the "Start log" to start the process of capture - this is quite a complex stage and a lot of things to understand what is happening in the source database, better to check code ODI sends to the database and to review the documentation of Oracle database for a description of what his weight (instantiate Tables (, sets of creating change, creation of subscribers etc. establishment of newspaper groups, creating views Journalising etc.) -you will need to consult your Source DBA database initially as ODI wants to make many changes to the source DB (in mode Archivelog process max, parallelism, size, Java etc.)Now, edit your interface and mark the table source for use "Journalized data bank.
Restart your interface
Compare the difference in the generated code in the journal of the operator, see the differences of the operator.>
Thank you, Yael
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Danny
The technical reference manual can be found here:
http://www.NI.com/PDF/manuals/370595b.PDF
I wasn't able to find reference material for this chip models. If there is, it's probably only for the GPIB to PCI.
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Get - VM | Export-Csv-path c:\test.csv - NoTypeInformation - UseCulture
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Can someone so advice on the differences between these two properties? Could I have for example a VM with PowerState = PowerOn, and that his Guest.State = no run?
PowerState if the State of the virtual machine itself.
Documentation Centre of vSphere 6.0
PoweredOff
Receptor
Suspeneded
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Documentation Centre of vSphere 6.0
Keep
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Could I have for example a VM with PowerState = PowerOn, and that his Guest.State = no run?
Yes.
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From the vSphere Client, you will get in the summary > General > VMware Tools
Does not not (not installed)
You will get more information using the API via PowerCLI.
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I wonder what are the differences between AXIEM and EMSight. Are associated with application? One is better than the other? Please explain.
AWR estimated AXIEM most powerful plan EM Simulator around. AXIEM is at the center of continuous research and improvement, while EMSight is only worked on if revealed serious flaws. Here is a summary of the differences:
Mesh
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Ports
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Problem solvers
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- Several AXIEM processes are multithreaded as EMSight.
Speaker
- EMSight is inside a perfect driver side wall. This works well if you the circuit is in the same cavity. If not, you must know the rules of them on to the forms of space of the flanks and how that much to extend the port could reference planes. AXIEM is not here. AXIEM does not currently have to simulate a perfect driver side wall.
I don't know that I missed a few aspects of the tools. From the point of view of the AWR that AXIEM is the tool of choice, except in a few cases have been EMSight may be required.
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I am newbie to OSB 10 g. I installed OSB 10 g.
I got to know after its acquisition by Oracle BEA, the ALSB is renamed to OSB.
I'm curious to know what are the differences between BSE and OSB panels.
If there are a lot of differences, thanks for posting links that provide the information required in detail.
Thanks in advance.
Kind regards
UdayaHi Marion,.
BSE and OSB are two different products for the provision of the capacity of the bus service (Routing and transformation)
I got to know after its acquisition by Oracle BEA, the ALSB is renamed to OSB.
Yes. Prior to the acquisition of BEA, Oracle used OESB (Oracle Enterprise Service Bus) like a bus service, but after Oracle renamed ALSB (Aqualogic Service Bus) in OSB and started to help her. SOD below should help you understand-
http://www.Oracle.com/technology/products/integration/service-bus/docs/Oracle-service-bus-sod.PDF
Some links that you would like to see-
http://Biemond.blogspot.com/2009/06/OSB-ESB-performance-comparison.html
http://orasoa.blogspot.com/2008/11/who-is-best-OSB-or-ESB.html
http://www.Scribd.com/doc/23622536/Oracle-SOA-Suite-11g-mediator-vs-Oracle-service-bus-OSBKind regards
Anuj -
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Server must wonder about the Technet site. http://social.technet.Microsoft.com/forums/en-us/home
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Next time try BING...
http://tinyurl.com/95rgwxw
http://tinyurl.com/9plc7ztScroll to the left view (image 5)
http://support.Dell.com/support/eDOCS/systems/latd610/en/ug_en/about.htm
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SELECT s.sid, n.name, s.value FROM v$ sesstat s, v$ statname n
WHERE s.statistic # = n.statistic #.
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Thank you
John Stegeman wrote:
I agree with the comments of the Ed, NightWing.
You do not have a story to ask questions that are clearly answered in the documentation.
Mind your own business. If you answer the question, so answer! Otherwise, please stop the thread engrossing.
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What gets the relationship between the number of blocks and coherent?
QUESTION:SQL> CREATE TABLE TEST(ID INT ,NAME VARCHAR2(10)); SQL> CREATE INDEX IND_IDN ON TEST(ID); SQL> BEGIN 2 FOR I IN 1 .. 1000 3 LOOP 4 EXECUTE IMMEDIATE 'INSERT INTO TEST VALUES('||I||',''LONION'')'; 5 END LOOP; 6 COMMIT; 7 END; 8 / SQL> EXEC DBMS_STATS.GATHER_TABLE_STATS(USER,'TEST',CASCADE=>TRUE); SQL> SELECT DISTINCT DBMS_ROWID.rowid_block_number(ROWID) BLOCKS FROM TEST; BLOCKS ----------- 61762 61764 61763 >> above , there have 3 blocks in table TEST . SQL> SET AUTOTRACE TRACEONLY; SQL> SELECT * FROM TEST; Execution Plan ---------------------------------------------------------- Plan hash value: 1357081020 -------------------------------------------------------------------------- | Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time | -------------------------------------------------------------------------- | 0 | SELECT STATEMENT | | 1000 | 10000 | 2 (0)| 00:00:01 | | 1 | TABLE ACCESS FULL| TEST | 1000 | 10000 | 2 (0)| 00:00:01 | -------------------------------------------------------------------------- Statistics information ---------------------------------------------------------- 0 recursive calls 0 db block gets 72 consistent gets >> there have 72 consistent gets 0 physical reads 0 redo size 24957 bytes sent via SQL*Net to client 1111 bytes received via SQL*Net from client 68 SQL*Net roundtrips to/from client 0 sorts (memory) 0 sorts (disk) 1000 rows processed SQL> SELECT /*+ INDEX_FFS(TEST IND_IDN)*/ * FROM TEST WHERE ID IS NOT NULL; Execution Plan ---------------------------------------------------------- Plan hash value: 1357081020 -------------------------------------------------------------------------- | Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time | -------------------------------------------------------------------------- | 0 | SELECT STATEMENT | | 1000 | 10000 | 2 (0)| 00:00:01 | |* 1 | TABLE ACCESS FULL| TEST | 1000 | 10000 | 2 (0)| 00:00:01 | -------------------------------------------------------------------------- Predicate Information (identified by operation id): --------------------------------------------------- 1 - filter("ID" IS NOT NULL) Statistics information ---------------------------------------------------------- 1 recursive calls 0 db block gets 72 consistent gets >> there have 72 consistent gets 0 physical reads 0 redo size 17759 bytes sent via SQL*Net to client 1111 bytes received via SQL*Net from client 68 SQL*Net roundtrips to/from client 0 sorts (memory) 0 sorts (disk) 1000 rows processed SQL> SELECT COUNT(*) FROM TEST; Execution Plan ---------------------------------------------------------- Plan hash value: 1950795681 ------------------------------------------------------------------- | Id | Operation | Name | Rows | Cost (%CPU)| Time | ------------------------------------------------------------------- | 0 | SELECT STATEMENT | | 1 | 2 (0)| 00:00:01 | | 1 | SORT AGGREGATE | | 1 | | | | 2 | TABLE ACCESS FULL| TEST | 1000 | 2 (0)| 00:00:01 | ------------------------------------------------------------------- Statistics information ---------------------------------------------------------- 0 recursive calls 0 db block gets 5 consistent gets >> there have 5 consistent gets 0 physical reads 0 redo size 408 bytes sent via SQL*Net to client 385 bytes received via SQL*Net from client 2 SQL*Net roundtrips to/from client 0 sorts (memory) 0 sorts (disk) 1 rows processed SQL> SELECT COUNT(*) FROM TEST WHERE ID IS NOT NULL; Execution Plan ---------------------------------------------------------- Plan hash value: 735384656 -------------------------------------------------------------------------------- - | Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time | -------------------------------------------------------------------------------- - | 0 | SELECT STATEMENT | | 1 | 4 | 2 (0)| 00:00:01 | | 1 | SORT AGGREGATE | | 1 | 4 | | | |* 2 | INDEX FAST FULL SCAN| IND_IDN | 1000 | 4000 | 2 (0)| 00:00:01 | -------------------------------------------------------------------------------- - Predicate Information (identified by operation id): --------------------------------------------------- 2 - filter("ID" IS NOT NULL) Statistics information ---------------------------------------------------------- 0 recursive calls 0 db block gets 5 consistent gets >> there have 5 consistent gets 0 physical reads 0 redo size 408 bytes sent via SQL*Net to client 385 bytes received via SQL*Net from client 2 SQL*Net roundtrips to/from client 0 sorts (memory) 0 sorts (disk) 1 rows processed SQL> SELECT COUNT(ID) FROM TEST WHERE ID IS NOT NULL; Execution Plan ---------------------------------------------------------- Plan hash value: 735384656 -------------------------------------------------------------------------------- - | Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time | -------------------------------------------------------------------------------- - | 0 | SELECT STATEMENT | | 1 | 4 | 2 (0)| 00:00:01 | | 1 | SORT AGGREGATE | | 1 | 4 | | | |* 2 | INDEX FAST FULL SCAN| IND_IDN | 1000 | 4000 | 2 (0)| 00:00:01 | -------------------------------------------------------------------------------- - Predicate Information (identified by operation id): --------------------------------------------------- 2 - filter("ID" IS NOT NULL) Statistics information ---------------------------------------------------------- 0 recursive calls 0 db block gets 5 consistent gets >> there have 5 consistent gets 0 physical reads 0 redo size 409 bytes sent via SQL*Net to client 385 bytes received via SQL*Net from client 2 SQL*Net roundtrips to/from client 0 sorts (memory) 0 sorts (disk) 1 rows processed
What gets the relationship between the number of blocks and coherent? How to calculate become consistent?You can see that your uniform is getting down to 6 to 12, is it not? Reading of the below thread Asktom.
http://asktom.Oracle.com/pls/Apex/f?p=100:11:0:P11_QUESTION_ID:880343948514Aman...
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