How to compare the type of data returned block Varchar2 PL/SQL

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• oracle.jbo.domain.Number, round() method to change the type of data returned?

  Hi all

  When I tried to round the value to oracle.jbo.domain.Number, it returns data of type oracle.sql.Number. Please see the following code snippet:

  Number unitPrice = new Number (9.95);

  Number of numOfRet = new Number (5);

  Total = (unitPrice.multiply (numOfRet)) .multiply (1.05) .round (2);

  The third line can not compile because the round() method returns a data type of oracle.sql.Number, which generates the compile error. If I put a guy up there, it works. When I checked the javadoc, the method has a number of return type. But it says in the details of the description of the method, it returns a Java int. Can I ask is there something wrong here? You can find the javadoc here: number (Oracle ADF business components API Reference 10.1.2 areas)

  Thank you

  Sheet

  Order to understand, the problem is that the round() method returns a number, but a NUMBER data type.

  NUMBER public tour (int decimal_place)

  Therefore, cast to the number.

  Timo

• Oracle Nashorn - how to change the type of data/size of the column?

  Hello!

  Can someone give an example of how to do to change a column datatype/size with Oracle Nashorn?

  The way I did (with Mozilla Rhino) does more work:

  type = model.getDesign () .getLogicalDataTypeSet () .getLogTypeByName ("VARCHAR");

  column.setLogicalDataType ();

  Thank you!

  Emiliano.

  I think you need to call setLogicalDatatype (with a small t) rather than setLogicalDataType.

  David

• How to read the table of string returned by the DLL

  I developed DLLS in labview that takes 2 input parameters as a string and returns an array of strings in return. How can I read back this array returned strings in labview? I tried to return a string and I can't able to read. But how to read a table?

  Is the signature of the function – void GetLoginInfo (char [] DBPath, char [UserName], LStrHandleArray * table)

  Shrinivas

  I found the solution. When you configure the node to call a library function, the argument (in which we expect an array of string) type should be chosen as "Adapt to the Type" and data format to be "pointers to the sleeves.

• determine the type of data

  Hi all
  
  I've got procedure of inserting data in table1 value1 column.
  My need is to determine the type of data entered by the user.
  If the data type is not number user should error.
  How can I make it?

  The easier and more reliable way would be to declare the formal parameter as a number, such as:

  SQL> create procedure p (p_num in number) as
    2  begin
    3     null;
    4  end;
    5  /
  
  Procedure created.
  
  SQL> exec p('a');
  BEGIN p('a'); END;
  
  *
  ERROR at line 1:
  ORA-06502: PL/SQL: numeric or value error: character to number conversion error
  ORA-06512: at line 1
  

  If you cannot do this, or want to be more "user friendly", so the only alternative is to test and trigger an error like:

  SQL> create procedure p (p_str in varchar2) is
    2     l_num number;
    3  begin
    4     l_num := to_number(p_str);
    5  exception
    6     when value_error then
    7        raise_application_error(-20001, 'I know I said it was a string, but I really want a number');
    8  end;
    9  /
  
  Procedure created.
  
  SQL> exec p('a');
  BEGIN p('a'); END;
  *
  ERROR at line 1:
  ORA-20001: I know I said it was a string, but I really want a number
  ORA-06512: at "OPS$ORACLE.P", line 7
  ORA-06512: at line 1
  

  John

• How display you the type of file in PS Elements 10?

  How display you the type of file in PS 10 items in the organizer for each photo?

  I know that you can right click and watch meta data.

  In PSE 7 it was displayed under each photo.

  Two things:

  1. set the display option to display file names:

  

  2. make sure your tiles are large enough to display the data:

  

  Ken

• Problem with the type of data in a view

  Hi all
  
  I have modified a view. For this reason my view passed to varchar2 column data type number automatically. But it should be only a number.
  
  Updated the view that changes the data type of column varchar2
  
  VIEW to CREATE or REPLACE v1
  AS
  SELECT Decode (Sign (mta.base_transaction_value), 0, Decode (Sign (mta.transaction_value), Decode (Sign (mta.primary_quantity),-1, NULL, 0))
  MTA.base_transaction_value),
  -1, NULL,
  Decode (Sign (mta.primary_quantity),-1, NULL, NULL
  MTA.base_transaction_value),
  (0)
  1, MTA.base_transaction_value,
  Col1 is NULL)
  Mtl_transaction_accounts MTA
  
  Old view that keeps this column under the number:
  
  VIEW to CREATE or REPLACE v1
  AS
  SELECT Decode (Decode (Sign (mta.base_transaction_value), 0, Decode (Sign (mta.transaction_value), 0, Decode (Sign (mta.primary_quantity), 1,0,))))
  0,0,
  (NULL),
  1.0,
  (NULL),
  1, MTA.base_transaction_value,
  Col1 NULL))
  Mtl_transaction_accounts MTA
  
  -> Create a note that the type of data of base_transaction_value, transaction_value, primary_quantity columns is number
  
  No help for making the data type of column 'col1' number using my first query?
  
  Thank you
  Srini

  The data type of an expression of DECODE() is determined by that of his first return value. Oracle has decided that a NULL value is a VARCHAR2 data type (because there must be something ).

  The changes to your code are extremely intertwined and twisted out and frankly too hard to work through. However, I think at some point the changes that you have implemented it had that effect.

  SQL> create or replace view v1
    2  as
    3  select decode(to_number(to_char(sysdate, 'dd')), 1, 0, 99) as col1
    4  from dual
    5  /
  
  View created.
  
  SQL> desc v1
   Name                                                  Null?    Type
   ----------------------------------------------------- -------- ----------------
   COL1                                                           NUMBER
  
  SQL> create or replace view v1
    2  as
    3  select decode(to_number(to_char(sysdate, 'dd')), 1, null, 99) as col1
    4  from dual
    5  /
  
  View created.
  
  SQL> desc v1
   Name                                                  Null?    Type
   ----------------------------------------------------- -------- ----------------
   COL1                                                           VARCHAR2(2)
  
  SQL>
  

  Cheers, APC

  blog: http://radiofreetooting.blogspot.com

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  Can someone tell me how to change the type of user account in the registry editor

  Thanks in advance... :-)

  Kind regards
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  I tried this code, but error.

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• How do I reselect the type to change.  I have a text template that I want to, but when I try to select it with the text tool always creates a new text layer.  How to change the type of the layer in my registered design?

  How do I reselect the type to change.  I have a text template that I want to, but when I try to select it with the text tool always creates a new text layer.  How to change the type of the layer in my registered design?

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  Then, type your copy. Your layers panel will then look like the top of this picture...:

  

  and when you drag the text on the image layer, it will look like the lower part of the sample above.

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