Which data persistence option to use given my current problem?

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  My select statement fails with the error:

  
  

  The ORA-19011 string buffer too small

  
  

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  • It looks like I can choose only 4000 characters using the SELECT statement (please, correct me if I'm wrong)

  I'd use the XMLGEN package. But the environment team says no mounted drives in the future with the arrival of the EXADATA.

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  Bravo!

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  It looks like I can choose only 4000 characters using the SELECT statement (please, correct me if I'm wrong)

  You use the right method.

  There is an implicit conversion from XMLType to the data type VARCHAR2 as expected by the function TO_CLOB, where the limitation, and the error.

  To serialize XMLType to CLOB, use the XMLSerialize function:

  SELECT XMLSerialize (DOCUMENT

  XMLELEMENT ("accounts",

  ...

  )

  )

  OF ANY_TABLE;

  For the rest of the requirement, I wish you good luck trying to spool the XML correctly.

  You may need to play around with the SET LONG and SET LONGCHUNKSIZE commands to operate.

• Which account you want to use to run this program?

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  Original title: problem of Installation of Windows 7.

  Hello

  Recently, my computer has not been doing any internet access and I thought to reinstall Windows 7.

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  Hello

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• SQL Loader loading data into two Tables using a single CSV file

  Dear all,

  I have a requirement where in I need to load the data into 2 tables using a simple csv file.

  So I wrote the following control file. But it loads only the first table and also there nothing in the debug log file.

  Please suggest how to achieve this.

  Examples of data

  Source_system_code,Record_type,Source_System_Vendor_number,$vendor_name,Vendor_site_code,Address_line1,Address_line2,Address_line3

  Victor, New, Ven001, Vinay, Vin001, abc, def, xyz

  Control file script

  ================

  OPTIONS (errors = 0, skip = 1)
  load data
  replace
  in the table1 table:
  fields ended by ',' optionally surrounded "" "
  (
  Char Source_system_code (1) POSITION "ltrim (rtrim (:Source_system_code)),"
  Record_type tank "ltrim (rtrim (:Record_type)),"
  Source_System_Vendor_number tank "ltrim (rtrim (:Source_System_Vendor_number)),"
  $vendor_name tank "ltrim (rtrim (:Vendor_name)),"
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  (
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  Vendor_site_code tank "ltrim (rtrim (:Vendor_site_code)),"
  Address_line1 tank "ltrim (rtrim (:Address_line1)),"
  Address_line2 tank "ltrim (rtrim (:Address_line2)),"
  Address_line3 tank "ltrim (rtrim (:Address_line3)).
  )

  the problem here is loading into a table, only the first. (Table 1)

  Please guide me.

  Thank you

  Kumar

  When you do not provide a starting position for the first field in table2, it starts with the following after a last referenced in table1 field, then it starts with vendor_site_code, instead of $vendor_name.  So what you need to do instead, is specify position (1) to the first field in table2 and use the fields to fill.  In addition, he dislikes when 1 = 1, and he didn't need anyway.  See the example including the corrected below control file.

  Scott@orcl12c > test.dat TYPE of HOST

  Source_system_code, Record_type, Source_System_Vendor_number, $vendor_name, Vendor_site_code, Address_line1, Address_line2, Address_line3

  Victor, New, Ven001, Vinay, Vin001, abc, def, xyz

  Scott@orcl12c > test.ctl TYPE of HOST

  OPTIONS (errors = 0, skip = 1)

  load data

  replace

  in the table1 table:

  fields ended by ',' optionally surrounded "" "

  (

  Char Source_system_code (1) POSITION "ltrim (rtrim (:Source_system_code)),"

  Record_type tank "ltrim (rtrim (:Record_type)),"

  Source_System_Vendor_number tank "ltrim (rtrim (:Source_System_Vendor_number)),"

  $vendor_name tank "ltrim (rtrim (:Vendor_name)).

  )

  in the Table2 table

  fields ended by ',' optionally surrounded "" "

  (

  source_system_code FILL (1) POSITION.

  record_type FILLING,

  source_system_vendor_number FILLING,

  $vendor_name tank "ltrim (rtrim (:Vendor_name)),"

  Vendor_site_code tank "ltrim (rtrim (:Vendor_site_code)),"

  Address_line1 tank "ltrim (rtrim (:Address_line1)),"

  Address_line2 tank "ltrim (rtrim (:Address_line2)),"

  Address_line3 tank "ltrim (rtrim (:Address_line3)).

  )

  Scott@orcl12c > CREATE TABLE table1:

  2 (Source_system_code VARCHAR2 (13),)

  3 Record_type VARCHAR2 (11),

  4 Source_System_Vendor_number VARCHAR2 (27),

  5 $vendor_name VARCHAR2 (11))

  6.

  Table created.

  Scott@orcl12c > CREATE TABLE table2

  2 ($vendor_name VARCHAR2 (11),)

  3 Vendor_site_code VARCHAR2 (16).

  4 Address_line1 VARCHAR2 (13),

  5 Address_line2 VARCHAR2 (13),

  Address_line3 6 VARCHAR2 (13))

  7.

  Table created.

  Scott@orcl12c > HOST SQLLDR scott/tiger CONTROL = test.ctl DATA = test.dat LOG = test.log

  SQL * Loader: release 12.1.0.1.0 - Production on Thu Mar 26 01:43:30 2015

  Copyright (c) 1982, 2013, Oracle and/or its affiliates.  All rights reserved.

  Path used: classics

  Commit the point reached - the number of logical records 1

  TABLE1 table:

  1 row loaded successfully.

  Table TABLE2:

  1 row loaded successfully.

  Check the log file:

  test.log

  For more information on the charge.

  Scott@orcl12c > SELECT * FROM table1

  2.

  RECORD_TYPE SOURCE_SYSTEM_VENDOR_NUMBER $VENDOR_NAME SOURCE_SYSTEM

  ------------- ----------- --------------------------- -----------

  Victor Ven001 new Vinay

  1 selected line.

  Scott@orcl12c > SELECT * FROM table2

  2.

  $VENDOR_NAME VENDOR_SITE_CODE ADDRESS_LINE1 ADDRESS_LINE2 ADDRESS_LINE3

  ----------- ---------------- ------------- ------------- -------------

  Vinay Vin001 abc def xyz

  1 selected line.

  Scott@orcl12c >

• Update of the data in the Table using XMLTYPE DATA

  I did insertions using XMLTYPE data but have never done it and update. Can someone give me some advice?

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      NULL
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      Y
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  ';
  
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      select compendium_id
           , order_code
           , order_desc
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           , active
           , timestamp
           , modified_by
      from xmltable('/ORDERCODES/ORDERCODE'
             passing xmltype(in_ordercodesxml)
             columns COMPENDIUM_ID    number(10)    path 'COMPENDIUM_ID'
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                   , ORDER_DESC       varchar2(250) path 'ORDER_DESC'
                   , LOINC_CODE       varchar2(10)  path 'LOINC_CODE'
                   , ACTIVE           varchar2(1)   path 'ACTIVE'
                   , TIMESTAMP        date          path 'TIMESTAMP'
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           )
    ) x
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        , t.loinc_code = x.loinc_code
        , t.active     = x.active
        , t.timestamp  = x.timestamp
        , t.modified_by = x.modified_by
    when not matched then insert
    (
      labord_code_id
    , compendium_id
    , order_code
    , order_desc
    , loinc_code
    , active
    , timestamp
    , modified_by
    )
    values (
      mlocds_seq.nextval
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    , x.order_code
    , x.order_desc
    , x.loinc_code
    , x.active
    , x.timestamp
    , x.modified_by
    );
  
  end;
  /
  

  Also note that I used XMLTABLE instead of TABLE/XMLSEQUENCE, which is much easier to use (and not deprecated in the latest versions).

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• Date to determine functions using the % for the year ended

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  My speed of insertion is wonderful, but I feel slow bed. It may be the way I use the sliders.
  
  My key is a double. My data looks like this: (int X, int dontcare, int dontcare1, dontcare2 byte [8]).
  
  I'm trying to do a 'select' statement that uses a slider to look through a RANGE of keys. In this range, the cursor looks like inside the data to find specific records which have a particular value of X (int). I ask if my data is logical to use with Berkeley DB because to find records in the beach is fast (VERY fast), but to iterate through all the records in the range, open the data and then analyze int X to see if X == someparticularvalue seems to be very slow. Because I go INTO the data to find particular values of X, this prevents me from using the getSearchBothRange() method.
  
  PSEUDOCODE:
  COUNTER = 0
  Open a cursor
  getSearchKeyRange to find the key value closest to you at the beginning of my range of keys
  WHILE the value of getnextnodup is still in the range I'm looking for & & COUNTER < LIMIT_NUM_OF_RECORDS
  get data
  IF data.x is particularValue
  memorize the current folder
  counter ++
  END IF
  END WHILE
  
  (because Berkeley DB forces the user to manage low level to research, I fear that I use one) not correctly b) do not effectively research the sliders. I could remove the "counter < limit_num_of_records" and put it in my IF statement and break when the condition is met, but I don't think it really makes a huge difference over time.
  
  Help would be greatly appreciated.
  
  Thank you
  Julian

  Julian,

  I hope that I don't mislead you. This only works if the values of k1 are sequential and known in advance.

  int k2 = ...
  for (double k1 = start; k1 <= end; k1 += 1) {
      // make a key {k1, k2}
      // call Database.get or Cursor.getSearchKey
  }
  

  If this is not possible, you will need to return to an analysis of the values of k1 and select by k2. Sorry if I'm wrong you.

  There is nothing magical about the queries I. The only mechanism underlying query is key or key range. You can add secondary keys for additional requests, but only if you have a unique primary key.

  The same is true for all databases in general. If you were using a language such as SQL query, the query would likely be implemented internally by scanning of a range of key for k1 and selecting by k2.

  -mark