Generate tension with a trigger set

Similar Questions

• go DC for analog generation with hardware trigger

  Hi, I would do the following:

  -Together a terminal to user defined voltage CC

  -Switch to waveform base voltage generated when a hardware trigger is received

  Is it possible to do this with a multifunction DAQ card? I have the impression that seitching of the DC to waveform generation can be done in software. This would lead to some downtime. How long will the dead time? The voltage will be stable over this time?

  All comments welcome

  Hello Dixie,

  See screenshot of the joint, this could be an option. First of all, you can do a DAQmx task that allows you to send a continuous tension, when you disable directly task the DC output will remain at the level you selected before. Then you create a task DAQmx will send a wave form and waiting for a trigger to do. The output will be at the DC level until there is a trigger so the waveform will be produced.

  Casper has soon

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  Thank you.

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• Generate continuous with no 6229 samples

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• Help with a trigger

  Hello:

  I wrote the following trigger:

  CREATE OR REPLACE TRIGGER insACT

  AFTER INSERT ON ACT

  FOR EACH ROW

  BEGIN

  INSERT INTO ACT_VER

  ()Act_ID_N, Act_Ver_No_N, Act_Status_CD_C, Created_DT, Created_By_User_CD_C, Last_updated_DT, Updated_By_User_CD_C( )

  VALUES

  (:NEW. Act_ID_N, 1, :NEW. Act_Status_CD_C, :NEW. Created_DT, :NEW. Created_By_User_CD_C, :NEW. Last_updated_DT, :NEW. Updated_By_User_CD_C);

  END;

  This trigger compile with error. No idea what may be a problem with this trigger?

  
  Vincent

  
  

  Hello

  post the full error here.

  Select * from all_errors where name = 'INSACT ';

  Also provide scripts for tables.

  Only then can we give you better answers quickly.

• What is wrong with this sequence, it does not work when, after 3 inserts, I add a new record with the trigger it gives an error.

  Mr President.

  What is wrong with this sequence, it does not work when, after 3 inserts, I add a new record with the trigger it gives an error.

  --SL_CUSTOMERS table data
  
  
  INSERT INTO SL_CUSTOMERS VALUES(1,'Kamrul Hasan',NULL,NULL,'Moghbazar', 'Dhaka','0456789123',NULL,NULL,NULL,'Y',NULL);
  INSERT INTO SL_CUSTOMERS VALUES(2,'Rabiul Alam',NULL,NULL,'Motijheel', 'Dhaka','0567891234',NULL,NULL,NULL,'Y',NULL);
  INSERT INTO SL_CUSTOMERS VALUES(3,'Shahed Hasan',NULL,NULL,'2-G/1,2-2,Mirpur', 'Dhaka','0678912345',NULL,NULL,NULL,'Y',NULL);
  
  
  
  

  CREATE SEQUENCE  "ALIZA"."SL_CUSTOMERS_SEQ"  MINVALUE 1 MAXVALUE 9999999999999999999999999999 INCREMENT BY 1 START WITH 1 NOCACHE NOORDER  NOCYCLE ;
  
  
  CREATE OR REPLACE TRIGGER SL_CUSTOMERS_TRG 
  BEFORE INSERT ON "ALIZA"."SL_CUSTOMERS"   
  FOR EACH ROW   
  BEGIN   
  IF :NEW.CUSTOMER_ID IS NULL OR :NEW.CUSTOMER_ID < 0 THEN  
    SELECT SL_CUSTOMERS_SEQ.nextval   
      INTO :NEW.CUSTOMER_ID  
      FROM DUAL;   
    END IF;   
  END;   
  /
  
  
  
  

  When I try to insert several records with the seq.nextval it gives error

  violation of primary key.

  INSERT INTO "ALIZA"."SL_CUSTOMERS" (CUSTOMER_NAME) VALUES ('sdfsd')
  ORA-00001: unique constraint (ALIZA.SL_CUSTOMERS_PK) violated
  ORA-06512: at line 1
  
  
  
  
  One error saving changes to table "ALIZA"."SL_CUSTOMERS":
  Row 4: ORA-00001: unique constraint (ALIZA.SL_CUSTOMERS_PK) violated
  ORA-06512: at line 1
  
  
  
  
  
  
  
  

  Concerning

  Mr President.

  I find the solution by creating a function before the triiger

  as below

  CREATE SEQUENCE  "ALIZA"."SL_CUSTOMERS_SEQ"  MINVALUE 1 MAXVALUE 9999999999999999999999999999 INCREMENT BY 1 START WITH 1 NOCACHE NOORDER  NOCYCLE ;
  
  CREATE OR REPLACE FUNCTION get_SL_CUSTOMERS_vId RETURN VARCHAR2 AS
  BEGIN
     RETURN SL_CUSTOMERS_SEQ.NEXTVAL;
  
  END;
  /
  
  CREATE OR REPLACE TRIGGER SL_CUSTOMERS_TRG
  BEFORE INSERT ON "ALIZA"."SL_CUSTOMERS"
  FOR EACH ROW
  DECLARE
  dummy VARCHAR2(200);
  BEGIN
    dummy := get_SL_CUSTOMERS_vId();
    :NEW.CUSTOMER_ID := dummy;
  END;
  /  
  

  It works very well

  Thank you all for the suggestions.

  Concerning

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• execution of stored procedure in sql developer/sql more with a table setting?

  Hello

  I create a package with a procedure which has a cursor ref as output and a type as an input parameter.  Here is my definition of the package

  PACKAGE 
  -------
  CREATE OR REPLACE PACKAGE TEST
  As
    TYPE RefCursorType IS REF CURSOR;
    type intTableType is table of varchar2(50) index by binary_integer;
    
    PROCEDURE GETDATA (
            P_RECORDS OUT RefCursorType,           
             YEAR_LIST IN intTableType
    );  
  END;
  
  
  PACKAGE BODY
  -----------------------
  
  SET DEFINE OFF
  CREATE OR REPLACE PACKAGE BODY TEST
  AS 
  PROCEDURE GETDATA
  (
    P_RECORDS OUT RefCursorType,  
    YEAR_LIST IN intTableType  
  )
  AS 
  iYearList  IDTableType;
  BEGIN 
    --GET ARRAY COUNT
    IYEARLIST := IDTABLETYPE();
    IYEARLIST.EXTEND(YEAR_LIST.COUNT);
    
    --LOOP THROUGH LISTS AND POPULATE ARRAY
    FOR I IN YEAR_LIST.FIRST .. YEAR_LIST.LAST
    LOOP
    IYEARLIST(I) := IDTYPE(TO_CHAR(YEAR_LIST(I)));
    END LOOP;
    
     OPEN P_RECORDS FOR 
     SELECT CITHTML AS FORMATTED
      FROM dbTest.FORMATTED_HTML
    WHERE YEAR IN (SELECT * FROM TABLE(IYEARLIST))
    ;
    END GETDATA ;
  END TEST ;
  /
  
  

  I want to perform this procedure from the sql or sql developer more to see if it works properly.   The year field dbTest.FORMATTED_HTML is defined as varchar2 (20 bytes).  He has many years as well as text.

  I've used this in the past with simple stored procedures, but not those with a table setting

  var r refcursor;

  exec GETOLDDATA(:r,40);

  print r;

  How can I modify this to allow him to run my stored procedure?

  Thank you

  Just declare SQL, not type of PL/SQL:

  CREATE OR REPLACE

  TYPE Str50TblType

  AS THE TABLE OF THE VARCHAR2 (50)

  /

  CREATE OR REPLACE

  THE TEST PACKAGE

  IS

  GETDATA PROCEDURE)

  P_RECORDS ON SYS_REFCURSOR,

  YEAR_LIST IN Str50TblType

  );

  END;

  /

  CREATE OR REPLACE

  TEST OF PACKAGE BODY

  IS

  GETDATA PROCEDURE)

  P_RECORDS ON SYS_REFCURSOR,

  YEAR_LIST IN Str50TblType

  )

  IS

  BEGIN

  OPEN P_RECORDS

  FOR

  SELECT CITHTML AS FORMATTED

  OF dbTest.FORMATTED_HTML

  WHERE YEAR IN)

  SELECT *.

  TABLE (YEAR_LIST)

  );

  GETDATA END;

  END TEST;

  /

  SY.

• Who can help me with a trigger?

  Hi, I have a little problem with my database that can be resolved, or so I think that, with a trigger. First of all, that is.
  
  
  create table person
  (id_utente number (5) Primary Key,)
  name varchar2 (40),
  sexo varchar2 (1) check (sex = ' or sex = 'F').
  Morada varchar2 (60),
  date of data_nascimento,
  contacto number (10),
  numero_BI number (9)
  );
  
  create table Serviço
  (id_servico number (5) Primary Key,)
  Description varchar2 (40),
  Valor number (5),
  date of data_inicio,
  date of data_fim,
  check (data_fim > = data_inicio)
  );
  
  create the table modalidade
  (id_modalidade number (5) Primary Key,)
  Description varchar2 (40),
  Valor number (5)
  );
  
  create table quarto
  (id_quarto number (5) Primary Key,)
  Description varchar2 (40)
  );
  
  create the table inscricao_servico
  (id_inscricao_servico number (5) Primary Key,)
  id_servico number (5) references Serviço (id_servico).
  id_utente number (5) references user (id_utente),.
  date of data_pagamento
  );
  
  create the table inscricao_mod
  (id_inscricao_mod number (5) Primary Key,)
  id_modalidade number (5) references modalidade (id_modalidade).
  id_utente number (5) references user (id_utente),.
  date of data_inscricao,
  date of data_cessacao,
  check (data_cessacao > data_inscricao)
  );
  
  create table voy
  (id_estadia number (5) Primary Key,)
  id_utente number (5) references user (id_utente),.
  id_quarto number (5) quarto references (id_quarto).
  date of data_entrada,
  date of data_saida,
  check (data_saida > data_entrada)
  );
  
  
  create the table pag_mensalidade
  (id_pag_mensalidade number (5) Primary Key,)
  id_inscricao_mod number (5) references inscricao_mod (id_inscricao_mod).
  mes_mensalidade number (6).
  date of data_pagamento,
  unique (id_inscricao_mod, mes_mensalidade)
  );
  
  insert into person values (1, 'Manel', am', 'Rua large', to_date('80.02.02','yy.mm.dd'), 123456789, 687654321);
  insert into person values (2, "Artur", am', 'Rua pequeña', to_date ('81.03.04', 'yy.mm.dd'), 223456789, 587654321);
  insert into person values (3, 'Cardoso', ', 'Rua estreita', to_date ('82.04.05', 'yy.mm.dd'), 323456789, 487654321);
  insert into person values (4, 'Abílio', ', 'Rua larga', to_date ('79.07.06', 'yy.mm.dd'), 423456789, 787654321);
  insert into person values (5, 'Antunes', ', 'Rua nova', to_date ('79.06.01', 'yy.mm.dd'), 423557982, 387654822);
  
  insert into modalidade values (1, 'Total', 800);
  insert into modalidade values (2, ' Diurno ate 18' 600 ');
  insert into modalidade values (3, ' Diurno ate 22', 700 ');
  
  Insert in quarto values (1, '412');
  Insert in quarto values (2, '413');
  Insert in quarto values (3, '414');
  insert into values of quarto (4, '415');
  Insert in quarto values (5, '416');
  
  insert into Serviço values (1, ' Excursao a Fatima ", 150, to_date ('11.05.13', 'yy.mm.dd'), to_date ('11.05.13', 'yy.mm.dd'));
  insert into Serviço values (2, 'Ida ao cinéma', 10, to_date ('11.08.22', 'yy.mm.dd'), to_date ('11.08.22', 'yy.mm.dd'));
  insert into Serviço values (3, 'Apoio domiciliario', 100, to_date ('11.07.01', 'yy.mm.dd'), to_date ('11.07.31', 'yy.mm.dd'));
  
  insert into voy values (1, 1, 1, to_date ('11.05.05', 'yy.mm.dd'), null);
  insert into voy values (2, 2, 2, to_date ('10.01.02', 'yy.mm.dd'), null);
  insert into voy values (3, 3, 3, to_date ('09.12.15', 'yy.mm.dd'), to_date ('10.02.25', 'yy.mm.dd'));
  
  insert into inscricao_mod values (1, 1, 1, to_date ('09.12.15', 'yy.mm.dd'), null);
  insert into inscricao_mod values (2, 2, 2, to_date ('11.11.11', 'yy.mm.dd'), null);
  insert into inscricao_mod values (3, 1, 3, to_date ('10.04.10', 'yy.mm.dd'), to_date ('11.09.21', 'yy.mm.dd'));
  
  insert into inscricao_servico values (1, 1, 1, null);
  insert into inscricao_servico values (2, 1, 2, to_date ('11.10.01', 'yy.mm.dd'));
  insert into inscricao_servico values (3, 2, 4, null);
  insert into inscricao_servico values (3, 4, 5, to_date ('10.12.12', 'yy.mm.dd'));
  
  insert into pag_mensalidade values (1, 1, 201110, to_date ('11.10.23', 'yy.mm.dd'));
  insert into pag_mensalidade values (2, 2, 201111, to_date ('11.11.27', 'yy.mm.dd'));
  insert into pag_mensalidade values (3, 3, 201112, NULL);
  insert into pag_mensalidade values (1, 4, 201111, NULL);
  
  
  drop table voy;
  drop table inscricao_servico;
  drop table quarto;
  drop table pag_mensalidade;
  drop table inscricao_mod;
  drop table modalidade;
  drop table Serviço;
  drop table person;
  
  
  OK, the problem is: the table "voy" means "stay" and "quarto" means "room". I must, before inserting it on 'Hotel', to check whether or not this room is available.
  
  I can do this:
  
  insert into voy values (4, 3, * 3 *, to_date ('09.12.15', 'yy.mm.dd'), to_date ('10.02.25', 'yy.mm.dd'));
  
  But if, after this command, I do this:
  
  insert into voy values (5, 4, * 3 *, to_date ('09.12.15', 'yy.mm.dd'), to_date ('10.02.25', 'yy.mm.dd'));
  
  He accepts and he shouldn't, because I put 3 and 4 users in the same room at the same time.
  
  the 3rd field is the id of the room, and the two fields are the date of entry (data_entrada) and (data_saida) release date. If a piece is linked to a specific residence in which the release date has not disappeared by, this room should not be available. In addition, the release date can be null, which means that the release date is unknown.
  
  I hope I was clear on my question.
  
  Thanks, Chiapa

  I have not yet tested, but this should do:

  CREATE OR REPLACE TRIGGER valida_estadia
  BEFORE INSERT ON estadia
  FOR EACH ROW
  DECLARE
  quarto NUMBER;
  
  BEGIN
   SELECT COUNT(1)
   INTO quarto
   FROM estadia
   WHERE id_quarto = :new.id_quarto and
   (data_saida > :new.data_entrada or
   data_saida IS NULL);
  
   IF quarto > 0 THEN
     RAISE_APPLICATION_ERROR(-20001,'There is already a user in the room.');
   END IF;
  END valida_estadia;
  / 
  

  Published by: René Argento on 02/10/2012 11:43

• What is the problem with my trigger :(

  Hi friends
  
  What is the problem with this trigger please
  

  SQL> select object_type from user_objects where object_name='CE_STMT_INT_TMP';
  
  OBJECT_TYPE
  -------------------
  TABLE
  
  SQL> create or replace trigger ce_stmt_int_tmp_trg1
    2  after insert on ce_stmt_int_tmp
    3  for each row
    4  begin
    5      :new.column7 := 'checkno_test';
    6  end;
    7  /
  create or replace trigger ce_stmt_int_tmp_trg1
                            *
  ERROR at line 1:
  ORA-04084: cannot change NEW values for this trigger type

  Thank you very much

  I guess you mean that SQL * Loader is insertion of the value of the column, not not to date. You can override the value SQL * Loader is the insertion in a level line BEFORE INSERT trigger.

  Justin

• Set property with JDAPI trigger

  Hello.
  
  I have a couple of forms, I need to change it using JDAPI. Among others, I need to set trigger property ' fire in enter query mode "from no to Yes. But I can't find the way how to proceed.
  
  Any help would be appreciated.
  
  Gregor

  Hello

  trigger.setFireInQuery(boolean value)
  

  François

• How to set property box Chek with a trigger?

  Hi all
  I want to set the initial value property for a check box through a trigger
  But when I used the Set_Item_Property built like this:
  SET_ITEM_PROPERTY (AGG_YES_ID, INITIAL_VALUE, 2); -> AGG_YES_ID is a box number.
  
  An error appeared:
  FRM-41042: no such property for Set_Item_Property
  How to resolve this issue please?

  I don't think that INITIAL_VALUE is an option in the set_item_property built in.

  This is what means FRM-41042.

  You can assign the value of the checkbox element actually directly using:

  :. : = instead of use set_item_property to assign the value.

  Mark the reply as useful / correct if you find them to be so :)

  Kind regards
  Carole