What way to go with cascade delete

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• ADF 11 g: problem with cascade delete

  Hi all
  
  Using JDeveloper 11.1.1.2.0. Have a master entity with the bodies of five children, each association marked as composition and "Implement Cascade Delete" checked (uncontrolled cascade of database optimization). Try to delete the captain get error of FK violation on one of these associations: for example "java.sql.SQLIntegrityConstraintViolationException: ORA-02292: eheysrajoitetta (SESDB.» MAKSUT_HAKEMUKSET_FK) on rikottu; alitietue on loytynyt.
  
  Shouldn't ensure it option "implement Cascade Delete" the correct order for the removal of the DB? What I'm missing here?
  
  Kind regards
  
  Joonas

  2 comments:

  (a) are you sure of the FK that throws the error of constraint is the cascade - delete - would - this another FK?

  (b) have you enabled also optimize for delete cascade of database. No doubt this will only send a master DELETE the DB.

  CM.

• What is the problem with CC, deleting files?

  I use CC 2015 on a Mac and heard there was a problem with it deleting some files. What files are deleted? Where should I look to see if they have been removed? Is there a solution for this?

  Thank you.

  @southwestform

  I just wish Adobe would send a mass email to users so that we wouldn't have people still to learn about it.

  Here are two places Adobe has some official info:

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  Release notes for the desktop Adobe Creative Cloud application

• Cascading deletion

  I activated on option delete cascade in a single table. What I want is when I delete a row in the AUDIT_PROCESS table, it deletes the row in the FEEDBACK_PROCESS table and the table MICC_AT_ANALISYS. I think I created the constraints on the table to foreign keys feedback_cod and cod_analysis very well audit_process, but when I delete a row in the audit_process table, it doesn't delete the table feeback_process and micc_at_analysis. I don't know if I have to make another step to trigger what I want. Please help me with this.
  
  Here's the code when I created the tables.
  
  I have this table with cascading delete enabled
  

  CREATE TABLE  "AUDIT_PROCESS" 
     (     "AUDIT_COD" NUMBER(5,0), 
       "COD_ANALYSIS" VARCHAR2(5), 
       "FEEDBACK_COD" NUMBER, 
       "AUD_SR" VARCHAR2(15), 
       "AUD_ERROR" VARCHAR2(5), 
       "AUD_OBSERV" VARCHAR2(300), 
       "AUD_OWNER" NUMBER, 
       "AUD_DATE" VARCHAR2(10), 
       "AUD_STATUS" VARCHAR2(5), 
        CONSTRAINT "AUDIT_PROCESS_PK" PRIMARY KEY ("AUDIT_COD") ENABLE
     ) ;ALTER TABLE  "AUDIT_PROCESS" ADD CONSTRAINT "AUDIT_PROCESS_CON" FOREIGN KEY ("COD_ANALYSIS")
         REFERENCES  "MICC_AT_ANALISYS" ("COD_ANALYSIS") ON DELETE CASCADE ENABLE;ALTER TABLE  "AUDIT_PROCESS" ADD CONSTRAINT "AUDIT_PROCESS_CON_FEEDBACK" FOREIGN KEY ("FEEDBACK_COD")
         REFERENCES  "FEEDBACK_PROCESS" ("FEEDBACK_COD") ON DELETE CASCADE ENABLE;

  This table below is one of the parents table

  CREATE TABLE  "FEEDBACK_PROCESS" 
     (     "FEEDBACK_COD" NUMBER, 
       "FEEDBK_AGREE" VARCHAR2(2), 
       "FEEDBK_OBSERV" VARCHAR2(250), 
       "FEEDBK_DATE" VARCHAR2(10), 
       "FEEDBK_STATUS" VARCHAR2(5), 
       "SR" VARCHAR2(15), 
       "ERROR" VARCHAR2(5), 
        CONSTRAINT "FEEDBACK_PROCESS_PK" PRIMARY KEY ("FEEDBACK_COD") ENABLE
     ) ;

  It's the other parent table
  

  CREATE TABLE  "MICC_AT_ANALISYS" 
     (     "COD_ANALYSIS" VARCHAR2(5), 
       "ANALISYS_DATE" VARCHAR2(150), 
       "ANALYSIS_OBS" VARCHAR2(150), 
       "ANALYSIS_STATUS" VARCHAR2(4), 
       "ANALYSIS_SOURCE" VARCHAR2(10), 
       "ANALYSIS_ERROR" VARCHAR2(4), 
        CONSTRAINT "MICC_AT_ANALISYS_PK" PRIMARY KEY ("COD_ANALYSIS") ENABLE
     ) ;

  Bernardo,

  This isn't a typical question of APEX.

  Suggested it was an option.

  CREATE OR REPLACE TRIGGER trg_adr_audit_process
    AFTER DELETE ON audit_process
    FOR EACH ROW
  BEGIN
    DELETE feedback_process WHERE feedback_cod = :old.feedback_cod;
    DELETE micc_at_analisys WHERE cod_analysis = :old.cod_analysis;
  END;
  

  However, if it is in the APEX, you might consider writing a page-process that manages all delete them for you:
  -remove the child
  -remove the parent
  and this process will be triggered by the action of DELETING your page.

  Kind regards
  Richard

• What is the best way to deal with the pages being removed from the site in British Colombia?

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  He loks like wasting time. I have supplements another way to make such provision?  What kind?

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• Problem of memory in Cascade Delete

  Using JDeveloper and ADF 12.1.2.0.

  I have a master relationship / detail where there may be 200 000 or more details to one master.  In the database, I created the FK constraint with the CASCADE DELETE option.  In the ADF BC file, I put the object of the Association between the two EOs with Composition Association enabled, optimize the Cascade Delete database checked and implement Cascade Delete is automatically checked.

  The cascade delete works fine - when the user deletes a primary record, its details are also deleted.  It works at least as long as the private teacher only has say, 50 000 Details.

  But the more details there are, more memory is used on the server, when a master record is deleted.  With the larger sets of detail (for example, details more than 50,000), this can cause an "out of memory" error, and then the server (WebLogic 12.1.2.0) breaks down.

  I'm not sure I understand why it's behaving as if she brings ALL of the detail records in memory to do the deletion, when the real delete activity should be about the database.  All I can do about it?  Or do we simply give lots of server memory and hope for the best?

  Were not ignoring you - just attend to other priorities.

  I will continue this investigation with some of the suggestions on your part and Timo.

  Meanwhile, our application server administrator discovered that if he gave WebLogic Server 3 GB of memory, we can remove the largest set of detail that we never got into production without crashing the server. So that's what he will give to the production server.  So we have a good workaround solution, and I will mark this as answered.  Thanks for your help.

• Why is not cascade delete works correctly?

  With the help of JDev 11.1.2.1.0.
  
  Error: ORA-02292: integrity constraint (CINDER. QR_DCMR_FK) violated - book of the foundling.
  
  I have a relationship of the master / detail. The association is composite and the operation "Optimize for Cascade Delete" is checked. In my AppModule, I call a function that deletes a master record. ADF automatically deletes the dependent lines.
  
  However, when I submit to the database, I get the message. I don't get this error when I commit new master/detail records, only when I change a pre-existing.
  
  On another note, I always the same error when I put the foreign key in database initially postponed.
  
  What could cause such behavior?

  "Optimize for delete cascade of database" is intended to be used when you have a foreign key (FK) in the database that is defined with the CASCADE DELETE option. ADF What if selected is with 2 EOs joined by a composition association, if the user deletes a record of primary OS, at the time rather sends deletions to registration of primary OA and children associated with EO records separately (which could be much separate DELETE statement), it sends only a simple omission to EO primary record. This is based on the assumption that FK with the CASCADE DELETE option in the database automatically removes the child records, thus saving the separate children removal instructions.

  See the last sentence of article 4.10.13.4 of the merger Guide: http://docs.oracle.com/cd/E24382_01/web.1112/e16182/bcentities.htm#BABHFJFJ

  As these only use this option if your CONCRETE. QR_DCMR_FK has the DELETE CASCADE option in your database.

  If this isn't your use case, please explain what you are trying to reach.

  CM.

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• How to build the file manager with cascade?

  Guy of Halo,

  How can IM new with waterfall, I build a file manager with cascade? is there a lesson or sample

  Thank you

  concerning

  Hello

  Can you clarify a little more what you mean by FileManager? Do you want the opportunity to browse and select files? If so, take a look at this thread. http://supportforums.BlackBerry.com/T5/Cascades-development/using-native-FileBrowse-and-FileSave-dia...

  See you soon

  Swann