Globalization :: Junk Character Insertion In Oracle Table
Feb 6, 2013
How to avoid Junk character insertion in oracle table. I have prepared scripts like this Say
customer - info
After insertion the data is inserted like below in production
Customer ¿ info
We are using command prompt for script execution in production environment. I am using PLSQL developer and SQL developer for development. i cannot see junk data in PLSQL developer and latest SQL developer , but its caught in old version of SQL developer. Also in Application also i can able to figure out junk data.
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Oct 5, 2012
I have a table. It's name is INSTITUTION. It has a NUMBER INS_ID and NVARCHAR2(50) INS_NAME . INS_NAME can contain Turkish characters, such as "ğ,ü,ş,ç,ö". According to business logic, there can not be a repetition on the INS_NAME.User will enter institution name from a textbox in ASP.NET , and I check this name in database from c sharp code, if there is no repetition, we will add this record.
The problem is; when user enter a instition name that contains Turkish character, there is a duplication. If there is a instition name is *"su işleri"* , the both query; SELECT * FROM INSTITUTION WHERE INS_NAME = *'su işleri'*; and SELECT * FROM INSTITUTION WHERE INS_NAME = *'su isleri'*; returns no result, even though there it is.But if instition name is "oracle corporation" (there is no Turkish character) it query successfully. I have the same problem in Toad for Oracle 11.5.1.2. When I query database from toad SELECT * FROM INSTITUTION, the phrase *"su işleri"* has appeared. But when I query SELECT * FROM INSTITUTION WHERE INS_NAME = *'su işleri'*; , there is again no result.When I connect oracle database directly and perform the query SELECT * FROM INSTITUTION , the phrase *"su isleri"* (not *"su işleri"* ) has appeared.
Here are the language settings of the database:
National Language Support
National Language Parameter Value
NLS_CALENDAR______________GREGORIAN
NLS_CHARACTERSET__________WE8MSWIN1252
NLS_COMP__________________BINARY
NLS_CURRENCY______________TL
NLS_DATE_FORMAT__________DD/MM/RRRR
NLS_DATE_LANGUAGE________TURKISH
NLS_DUAL_CURRENCY_________YTL
[code]....
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Feb 9, 2013
I am using C++ OCI LIB, to insert some report data from remote OCI client to oracle 11 server. This data is read by another process to create the report.The DB CHARSET is UTF-8. But the report tool expects the data to be ISO08859-1 encoded. So while inserting the data into the database i specify the following LANG and CHARSET for my table colulmn in client:
The TARGET DB CHARSET is UTF-8
NLS_LANG=AMERICAN_AMERICA.WE8ISO8859P1
size_t csid = 871; // UTF-8
OCIAtrSet((void *) bnd1p, (ub4) OCI_HTYPE_BIND,
*(void *)&csid*,
(ub4) 0,
(ub4)OCI_ATTR_CHARSET_ID, errhp);
This solution works for almost every case of ASCII and Extended ASCII Charest but we are facing issues if we have few specific characters to be inserted.f we are trying to insert single beta character [β] through client, the data goes empty to the column.
Beta Character details:
DEC OCT HEX BIN Symbol Description
223 337 DF 11011111 ß Latin small letter sharp s - ess-zed
DB Output after insert single β:
select rawtohex(NAME) from PERSONS where EID=333;
RAWTOHEX(NAME)
---------------------------
But if the string is *"ββ"* everything work fine:
DB Output for "ββ":
select rawtohex(NAME) from PERSONS where EID=333;
RAWTOHEX(NAME)
---------------------------
DFDF
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Jun 6, 2012
We have production DB 10g with character set US7ASCII. This DB stores Arabic data and English data.Production DB located in HP unix Operating System.
When I query data from DB through SQL developer data is shown as Junk or Unknown characters(Square Boxes).
Client (Workstation from where query is issued from SQL develope- Windows XP OS) Settings: NLS_LANG = AMERICAN_AMERICA.US7ASCII
In Client workstation Oracle 10g client is installed from where I used to query data through SQL developer. The problem is I am unable to see Arabic characters in the sense that it is displayed as Junk character. However English characters and Eneglish numeric values are displayed properly.
I tried below way to make sure that data is not corrupted: Converted "Name" column to hex value (rawtohex) and displayed its HEX value. Executed below query in UTF-8 DB.
select UTL_I18N.RAW_TO_CHAR(hex_value_of-name) from dual;
This displayed Arabic name properly in UTF8 DB.
Character set for this production DB can not be changed at this time. There are many applications which is based on this DB. All these applications are well capable of converting Junk data to Arabic to display in application.
My concern is: What I should required to do to view Arabic data properly through SQL developer? Is there any settings needs to be done at my client workstation?
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May 3, 2006
How can i insert any character or symbol automatically after writing 2 words
E.g.
i want to enter date 20-may-06 , in this i mean it that when i enter 20 then automatically - is inserted.
is there any query in Oracle. Or Oracle Hasn't created this type of query.
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Dec 2, 2012
I am using oracle 10 g database on windows xp. I have backup of data contains data in local language (Marathi). I want read this data in oracle itself.Which character set need to choose?
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Jul 23, 2013
IMPDP-ing a dump file that someone has handed me over into Oracle XE results in special characters, i.e. Umlauts, being messed up.
In a hex editor, the dump file shows a) the token WE8MSWIN1252 near the beginning, but b) Umlauts obviously being encoded in DOS 850, for example "König" is encoded as 4b 94(!) 6e 69 67. Does this prove that the dump file is badly formatted and that I have to resign myself to the complicated approach mentioned at the end of [URL]...
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May 31, 2013
We are trying to load some xml files via
sqlldr user/pswd@xe control='C:xmlldr.ctl' data='listoffiles.dat'
where xmlldr.ctl is the following:
load data
CHARACTERSET WE8ISO8859P1
replace
into table LOADER_CTG_PROTOCOL
(
xmlfile lobfile(nct_code) terminated by eof,
nct_code char(15) "substr(:nct_code,1,11)",
created_dt sysdate
)
I was playing with different CHARACTERSET, but some special characters e.g. "greater than or equal" do not get loaded/displayed correctly in the database. Also tried changing NLS_LANG registry key and following some advices in the Oracle doc
[URL].......
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Sep 17, 2012
Source Database: AMERICAN_AMERICA.US7ASCII
Target Database: AMERICAN_AMERICA.AL32UTF8
From the source database, the chinese characters are stored in some schema table. From the csscan result, there are convertiable, truncate, data lossy character. So, I have tried to use exp/imp for the conversion. However, all chinese characters are invalided and cannot be read anymore. How can I convert them from US7ASCCI to UTF8 database?
Also, I have tried build up another database with AMERICAN_AMERICA.ZHT16MSWIN950. The exp/imp is used for conversion again. The chinese characters are readable in AL32UTF8 database.
- source database (US7ASCII)
export NLS_LANG=AMERICAN_AMERICA.US7ASCII
export LANG=AMERICAN_AMERICA.US7ASCII
exp userid='/ as sysdba' file=export.dmp full=y
- target database (AL32UTF8)
export NLS_LANG=AMERICAN_AMERICA.US7ASCII
export LANG=AMERICAN_AMERICA.US7ASCII
imp userid='/ as sysdba' file=export.dmp full=y ignore=y
Result:
from US7ASCII to AL32UTF8:
the chinese characters cannot be read
from US7ASCII to ZHT16MSWIN950:
the chinese characters cannot be read
from ZHT16MSWIN950 to AL32UTF8:
the chinese characters can be read
How can I convert the chinese character from US7ASCCI to UTF8 database?
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Jul 4, 2013
We have an existing db (10.2.0.4.0) and forms (11.1.2.1.0) application, that we're trying to extend to support Chinese characters. We're looking to add some unicode (nvarchar2) columns to existing tables, rather than converting the whole db charset. I've pasted my environment settings below. What I've found so far in trying to create a local (ie. running the form in Builder with local weblogic running) test form, is that I can insert the chars ok (using plsql developer) and the test form can display them correctly, but cannot write them back to the database. They appear as upside down question marks in any records the form has created.
Env variables:NLS_LANG = .UTF8 Database:NLS_CHARACTERSET = WE8MSWIN1252NLS_NCHAR_CHARACTERSET = AL16UTF16 1)
So, how to get the form to write the characters back into the database correctly? 2) The chinese chars will only be relevant to a few forms inside the app, are there any settings local to the form that will enable unicode support, rather than setting at OS level. ie, an alter session, or equivalent? 3) Oracle Reprts doesn't appear to have an nchar datatype unlike Forms, is there anyway to get Reports (generating PDFs), to include Chinese?
I now have the chars writing back to the db ok. If you do it via an INSERT statement from inside the form, it doesn't work. It appears the value is sent to the db in the normal charset rather than the national charset, and it's written as a question mark. If you pass the value from the form into a back end stored proc though (which does the insert) it works okay.
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Jul 23, 2013
I have a database in my local machine that doesn't support Turkish characters. My NLS_CHARACTERSET is WE8ISO8859P1, It must be changed to WE8ISO8859P9 , since it supports full Turkish characters. I would like to migrate character data using a full export and import and my strategy is as follows:
1- create a full export to a location in network,
2- create a new database in local machine that it's NLS_CHARACTERSET is WE8ISO8859P9 (I would like to change NLS_LANGUAGE and NLS_TERRITORY by the way)
3- and implement full import to newly created database. I 've implemented first step, but I couldn't implement the second step. I 've created the second step by using toad editor by clicking Create -> New Database but I can not connect the new database. I must connect new database in order to perform full import.
DetailsNLS_LANGUAGE.....................AMERICANNLS_TERRITORY.....................AMERICANLS_CURRENCY..
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Jul 3, 2012
SELECT COUNT ( * ) FROM mtl_system_items_b;
-> 664072 records
Actually the value of the segment1 should be 9. But it has some junk characters and some extra characters.So I am using the following query to get all the error segment values.
confirm is this query rite?
SELECT segment1
FROM mtl_system_items_b
WHERE LENGTH (segment1) != 9;
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Apr 17, 2012
The issue is slow insertion in particular table(i.e A Table) it means insertion in all other tables(i.e B, C, D tables) in same schema is going properly but only when i am trying to insert in one particular table(i.e A table) in same schema it takes long time to complete insertion. Daily insertion is 6000 rows.
I have check all the details like Tablespace size, Analyzing of table, Analyzing of indexes and all. There is no any error alertlog file.
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Nov 4, 2010
I am using oracle form builder 6i and oracle database 10g
1:I have table named 'info' column name 'InfoId'and some other.And another table named 'Handing' with column names HtId, Value1 and value2.
2:I made form that consist of three data blocks, first block takes criteria and second block display record against that criteria from table 'info'.
3:i want checkboxes agianst that display record,and want that when I select some checkboxes against 'InfoId' these selected 'InfoIds'
should save in another table named 'handing' in column 'HtId'.and in same table data in column value1 and value2 will be inserted through textboxes that are in the third datablock of the thae same form .
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Apr 10, 2012
We are getting the below error frequently from the application while doing insertion/dataloading to a table. The mentioned error is in the Primary key index
Error: 'ORA-01502: index 'INDEX_NAME' or partition of such index is in unusable state'.
I set the value SKIP_UNUSABLE_INDEXES = TRUE using the command 'ALTER SYSTEM SET SKIP_UNUSABLE_INDEXES = TRUE' to avoid this. Again we are getting the same error and Every time Iam rebuilding('alter index INDEX_NAME rebuild') the index and doing the DML Operation.
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Aug 9, 2011
I need to insert data from one schema table to other schema's table in same database.The thing is columns are not equal.so when I am trying to use insert statement it is throwing error as not enough values. The situation is explained clearly below.The insert stmt is implemented in second schema whose table name is b.
SQL> create table a(ID_A NUMBER,Name varchar2(10),rollno NUMBER,address varchar2(10));
Table created.
SQL> insert into a(ID_A,Name,rollno,address)values(1,'ravi', 101,'hyd');
1 row created.
SQL> insert into a(ID_A,Name,rollno,address)values(2,'rav', 102,'delhi');
1 row created.
SQL> insert into a(ID_A,Name,rollno,address)values(3,'ra', 103,'chn');
1 row created.
SQL> create table b(ID NUMBER,Name varchar2(10),rollno NUMBER,address varchar2(1
0),route varchar2(10),direction varchar2(10));
Table created.
SQL> ALTER TABLE B ADD
2 CONSTRAINT B_PK1
3 PRIMARY KEY
4 (ID);
Table altered.
SQL> create sequence b_seg start with 1;
Sequence created.
SQL> insert into b select b_seg.nextval,lexcom.a.* from lexcom.a,dual;
insert into b select b_seg.nextval,lexcom.a.* from lexcom.a,dual
*
ERROR at line 1:
ORA-00947: not enough values
So,for table b in ID column sequence needed to be inserted and other columns need to be taken from table a.I can understand the error is because two tables are not having equal columns.So,the insert stmt is throwing error.
I can manually write by taking columns from a and b and write insert stmt as follows,but this is tedious process.
SQL> insert into b(ID,Name,rollno,address)select b_seg.nextval,lexcom.a.Name,lex
com.a.rollno,lexcom.a.address from lexcom.a,dual;
3 rows created.
But this is time taking and I had tables which has many columns to be inserted.So is there any other way to solve it and implement insert stmt.
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May 9, 2011
I want to insert some Chinese character in a row of my master table and also retrieve the same to display on web page along with others.
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May 1, 2013
it is possible to have a oracle database that stores data in different languages.
I have gone through few blogs which says Oracle supports Unicode characters & UTF8 supports all languages including multi-byte.
I would like to know what are the languages supported by oracle 10G.
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Mar 5, 2013
How can we store data in Indian regional languages in Oracle database. We are using Oracle 10g.
Also i need to know can we convert existing data in oracle to local language ?
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Sep 26, 2013
how do we know database character set is either single character set or multi character set?
While changing character-set from AL32UTF8 to WE8MSWIN1252 got "ORA-12712: new character set must be a superset of old character set".
Below are steps taken to resolve the issue -
ALTER DATABASE CHARACTER SET WE8MSWIN1252;
i got this error: ORA-12712: new character set must be a superset of old character set
below are the commands executed by me:
SQL> SHUTDOWN IMMEDIATE;
SQL> CONNECT SYS/password AS SYSDBA;
SQL> STARTUP MOUNT;
SQL> ALTER SYSTEM ENABLE RESTRICTED SESSION;
SQL> ALTER DATABASE OPEN;
SQL> ALTER DATABASE CHARACTER SET INTERNAL_USE WE8MSWIN1252;
SQL> SHUTDOWN;
SQL> STARTUP;
SQL> QUIT;
And its working...
I have not done it in proper order. Neither have done ccsscan. Still, no user reported any issues. Do my changes truncated the data?
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Jan 5, 2011
I am running the stand alone pl/sql block. it opens the for cursor and the updating the table. select value in the cursor having 3 lack records. the server output is returning junk values. Why i am getting this junk value here.
below is the format:
SET SERVEROUTPUT ON
BEGIN
FOR cursor name select
LOOP
UPDATE table_name
END LOOP;
[code].....
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Aug 16, 2010
I could find tables with following name in my tablespace.
BIN$xsBXZpZFSpe+X45aVZ1LRw==$0
BIN$acesR+sZQsWbG/ohJFOZzw==$0
.
.
.
.
and so on.... Till writing this, i could find 21 such tables.
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Aug 25, 2013
We have to get some data from U98 (saixdbU98) in UTF-8 format in Excel sheet.We are having queries ready for this. These queries bring data which have Japanese characters.
But when we run the Select queries through pbrun (Power Broker) then in result Japanese chars are garbled. It comes in what process we have to follow to get the result in UTF-8 format in Excel sheet.
here is the code
--
set sqlblanklines on;
SET DEFINE OFF;
set linesize 1000
set long 1000000
set pages 50000
[code]...
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Feb 8, 2012
When I transfer the data from Oracle to MS SQL I have one column in a table which is of Arabic Language.The data is fine in Oracle but when I transfer it to MS SQL Server I see that the text in MS SQL server appears as junk.
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Jan 22, 2013
i have a simple insert statement in oracle form, which is sucessfully run in oracle database(sql). but it is in oracle form trigger: WHEN BUTTON PRESSED as in this format:
Declare
cnt number;
begin
select count(*) into :control.cnt from ol_lcy_ndc where aan=:control.aan and event_id= 'ACL';
if cnt = 0 then
insert into ol_lcy_ndc (form_no, aan, regno, event_id, doev, status, edt, ludt, username)
values (12345, 255257,10030661,'ACL', SYSDATE, 'DRAFT', SYSDATE, SYSDATE, ' ');
else
update ol_lcy_ndc set LUDT= to_date('09-09-2009','DD-MM-YYYY') where aan=:control.aan and event_id= 'ACL';
end if;
end;
but after giving count in cnt, it is not doing anything like insert or update from oracle form, but both the statements are correctly execute in oracle database. may problem is linked with some properties of property palette, upto my knowledge i checked: insertion allowed--> yes.
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Jul 3, 2012
i have another problem with clob column , when i try to insert data in it through the stored procedure then it shows an
error- 'ORA-01460: unimplemented or unreasonable conversion requested clob' and this error especially arise when data to e inserted in clob column , have more than 4000 characters.
sql>exec pi_test(1,'sysdate','text of clob column'); ORA-01460: unimplemented or unreasonable conversion requested clob
where is the error.
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Jan 5, 2012
In procedure "update_emp", i am updating a row based on p_empno and if it is not present i.e. SQL%ROWCOUNT = 0, then I am inserting that row into emp table.
where as in procedure "update_emp1" , first I am checking whether any row with that p_empno is present or not,if presentthen update the row, else raise an exception to insert the row.
In both procedure, I am doing the same thing, But I am unable to understand which one is good and why
create or replace procedure update_emp( p_empno int) is
begin
update emp set ename='raj' where empno=p_empno;
[code]....
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May 25, 2010
We have Oracle 10g and user trying to Insert following in one of our table field and getting error:
'REVOLUCIÃ"N Historical Corruptions Agenda'
Getting follwoing error:
ORA-00911: invalid character
create table Employee
(Emp_ID Varchar2 (10),
Company_Name Varchar2 (40)
)
Insert into Employee
values ('Emp1', 'REVOLUCIÃ"N Historical Corruptions Agenda');
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Feb 13, 2012
I simply want to insert data in CLOB column but the size of the data is almost 1 MB. (Copying from a MS word document)
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Jun 28, 2012
I have a strange problem with query with like and %.
When I run this script:
ALTER SESSION SET NLS_SORT = 'BINARY_CI';
ALTER SESSION SET NLS_COMP = 'LINGUISTIC';
-- SELECT * FROM NLS_SESSION_PARAMETERS;
-- drop table test1;
CREATE TABLE TEST1(K1 NVARCHAR2(80));
[code]....
When i change datatype to varchar2 this code work correct.
The execution plan:
PLAN_TABLE_OUTPUT
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
SQL_ID d3d64aupz4bb5, child number 2
-------------------------------------
select * from TEST1 where k1 like N'Ł%'
[code]....
Note - dynamic sampling used for this statement (level=2)
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