Problem copying 4000 characters of CLOB in VARCHAR2 (4000 TANK)

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• VARCHAR2 (4000 tank) in AL32UTF8

  Hello
  
  I have an instance using AL32UTF8. There is a column in a table is defined as VARCHAR2 (4000 tank). I can fill a string with 4,000 characters (multi-byte language) to this column?
  
  Thank you

  >
  that means that the length of VARCHAR maxiumn is 4000 BYTES, regardless of the configuration?
  >
  Yes - the maximum length of VARCHAR2 is 4000 bytes.

  Oracle allows to specify VARCHAR2 (4000 TANK) for a base of multibyte character set, since it is legal to insert 4000 single-byte characters. But it is to make sure that you don't try to integrate more than 4000 bytes.

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  What do you want Windows to do? "

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  Hi SanithDemil,

  ·         What it shows as in Windows Explorer?

  Method 1: Run the next Fixit tool to check the issue.

  Your CD or DVD drive cannot read or write media

  Method 2:

  Step 1: Uninstall and reinstall the Device Manager DVD player. Automatically search for updates to the firmware on the manufacturer's Web site.

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• Problem copy with Dos command

  I have a Windows Vista laptop that wasn't signing in Windows & browsing the trunk upwards. He tried to solve the problem but could not.  I replaced the laptop for now and try to restore all the old data.  Unfortunately a very important file is not in the original backup.  I was able to get into the back of command on the old laptop and found the file I want to restore.  I have a USB key that I can add & delete on it but I am having some problems copying the files on it.  I hope that there is someone here who could help refresh my memory to make it work.  I really need this file.

  I have 2 separate files in the following directory for backups of my product of the emails:

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  2011 11-23-IncrediBackup - Linda M.ibk 26,253,299,746

  2011 12-16-IncrediBackup - Linda M.ibk 28,204,879,070

  That's what I tried:

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  Error message: the parameter is incorrect.

  c:\users\Linda\documents\incredimail backup\2011-12-16-IncrediBackup - f: Linda M.ibk

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  Thank you

  OK - this is great, this post more later for me (we) do know how things are going...

  I was surprised by the error message (error: the parameter is incorrect.), usually, you can see the error - not enough free space on the disk (device).

  If you use flash with computers disks, you can format all the drives to NTFS flash. Format NTFS is WIndows XP, Windows Vista, Windows 7 and of course you know WIndows 8. Older Windows (such as Windows 98, Windows 95) knows that FAT32.

  The maximum NTFS file size is about 16 TB (of 16 000 GB).

  Perhaps mean you - why is the default to FAT32 ?

  Some modern TV, VCR (DVD) or the satellite receiver USB input and you can Plug the flash drive into this devices - you can see the pictures on TV, that are saved on the flash drive, or you can record a TV show on the flash drive, which is plugged into the TV (or VCR (DVD) or the satellite receiver) , but this devices know only FAT32 format.

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• problem with special characters

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  I store my SQLs in a table column that contains the CLOB data type. I want to execute this SQL dynamically using execute immediate command. Can I used the to_char function to convert CLOB in VARCHAR2? Can I run clob directly?

  Can I run clob directly?

  Not in 10g and lower versions.
  As long as the clob is smaller then 32 k one"to_char (your_clobstatment)"will work well.

• How to copy the data from the CLOB on Varchar2?

  Hi all
  I have a CLOB field with data, I want to copy all the ot its data to another field of varchar2 to the same table. How, please?
  I think that I should use the Update statement, but how?
  
  Note: Iam using DB Oracle 10g R2

  You can just do a simple UPDATE, but if you have the adta in your CLOB which is too big to fit in your column VARCHAR2 column, you will not be able to get it all:

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• substr clob to varchar2 in the insertion

  Hello
  
  I try inserting several varchar2 values that make up a unique clob in a table.
  Version is;

  SQL> select * from v$version;
  
  BANNER
  --------------------------------------------------------------------------------
  Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production

  I get the following error message when you try to insert a value in addition to 8,000 characters;

  SQL> begin
    2    xddq_ins(rpad('x',8001,'x'));
    3  end;
    4  /
  begin
  *
  ERROR at line 1:
  ORA-06502: PL/SQL: numeric or value error: character string buffer too small

  But works very well for values less than 8000 characters, for example;

  SQL> begin
    2    xddq_ins(rpad('x',4001,'x'));
    3  end;
    4  /
  
  PL/SQL procedure successfully completed.
  
  SQL> select length(str) str_len, pos1,pos2,chunk_cnt
    2  from xddq;
  
     STR_LEN       POS1       POS2  CHUNK_CNT
  ---------- ---------- ---------- ----------
        4000          1       4000          1
           1       4001       8000          2

  The definition of table and the procedure I use is the following;

  create table xddq (Str        varchar2(4000)
                    ,t          timestamp default current_timestamp
                    ,Pos1       integer
                    ,Pos2       integer
                    ,Chunk_Cnt  integer);
  
  create or replace procedure XDDQ_Ins (p_Str in varchar2) as
  
    STR_EMPTY      exception;
  
    l_Clob         clob         := to_clob(p_Str);              -- first convert to a clob
    l_Len          pls_integer  := dbms_lob.getlength(l_Clob);  -- clob length
    l_Chunk_Cnt    pls_integer  := ceil(l_Len / 4000);            -- number of chunks
  
    begin
      if (l_Len < 1) then
        raise STR_EMPTY;
      end if;
  
      insert into xddq (t
                       ,str
                       ,Pos1
                       ,Pos2
                       ,Chunk_Cnt)
                      (
                       select current_timestamp
                             ,dbms_lob.substr(l_Clob, level*4000, ((level - 1) * 4000) + 1)
                             ,((level - 1) * 4000) + 1
                             ,level*4000
                             ,level
                       from   dual
                       connect by level <= l_Chunk_Cnt
                      );
      exception
        when STR_EMPTY then
          raise_application_error('No string to insert', -20088);
  end XDDQ_Ins;
  /

  The instance character sets are the following;

  SQL> select value
    2  from nls_database_parameters
    3  where parameter in ('NLS_CHARACTERSET','NLS_NCHAR_CHARACTERSET')
    4  /
  
  VALUE
  ----------------------------------------
  WE8MSWIN1252
  AL16UTF16

  Could anyone help regarding how I can fix this problem?
  
  I need perform an INSERTION of a CLOB in chunks of 4,000 characters.
  The size of the of the varchar2 parameter in the procedure is never more than 10000 characters.
  
  Thank you

  Hello

  The amount should be not a constant (= 4000)?

  dbms_lob.substr(l_Clob, 4000, ((level - 1) * 4000) + 1)
  

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  Original title: problem to copy content from your PC to external hard drive.

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