Server Administration :: How To Know Character Set As Single Character Or Multi Character
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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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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Mar 8, 2007
I'm trying to insert a character from the extended ascii character set. Specifically, there's a company that has an accented e (�) in the name. Right now, the company name doesn't have the e at all, accent or no accent. So I'm trying to do an update, something like
update table1 set company_name='blah�" where company='blah'
It runs, but doesn't do the update. Even when I try to forcefully do an insert (instead of an update) I get nowhere; the accented is simply dropped. So the basic question is, how do you insert extended ascii characters into oracle?
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Aug 9, 2012
I have one string 'SWAP_20120224_MEGAMART_MAR_Sales.csv'
I want to get the string between second underscore and third underscore i.e. 'MEGAMART'
How to achieve this in sql statement?
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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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May 23, 2010
We just migrated our technology platform on one of the six servers yesterday on production d/b as follows :
OAS Server - Linux Patch Applied (2.6.18-53.el5 #1 SMP Wed Oct 10 16:34:19 EDT 2007 x86_64 x86_64 x86_64 GNU/Linux)
D/B Server - From Oracle 10.2.0.2.0 to Oracle 10.2.0.4.0
Batch Server - From OpenVMS to Red Hat Linux
Post Migration, we are facing some issues with Oracle Forms 10g, Text Items which contains one or more than one multibyte characters, is displaying only # character in the entire text box instead of what is stored in the database. In other words, information in the database is stored correctly. Before Migration everything was working perfectly fine.
One other thing which I would like to tell here is that we compile forms using the following environment settings:
NLS_LANG_SEMANTICS=CHAR
NLS_LANG=AMERICAN_AMERICA.UTF8
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Feb 24, 2012
what's your method,when you want to change the character set ?
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Sep 13, 2010
we have to migrate data from 11.1.0.6.0 to 11.2.0.1.0
Version : 11.1.0.6.0 character set : WE8MSWIN1252
Version : 11.2.0.1.0 character set : AL32UTF8
Any hints with which we can go.
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Jan 25, 2013
Currently my oracle database character set is we8mswin1252 and it is only containing English data as well as spatial data (which is in English of course). I would like to change the Database character set so it could accept Arabic characters.
I have checked the below command on a test DB and it worked fine, but I want to know if it's recommended as a best practice when changing the character set to accept arabic and this won't corrupt my old entered Data ?
SHUTDOWN IMMEDIATE
STARTUP RESTRICT
ALTER DATABASE CHARACTER SET INTERNAL_USE AR8MSWIN1256
SHUTDOWN IMMEDIATE
STARTUP
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Aug 15, 2013
How to change Character set for oracle 8i database. Is there anyway to change the Character set without affecting the current database.
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Mar 1, 2011
I want to change database character set from AL32UTF8 to WE8ISO8859P1.
what are the steps I need to follow without creating any new database with the character set as WE8ISO8859P1.
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Jan 31, 2012
While creating my database manually i got error
sql> create database orcl
>national character set utf8
national character set utf8
*
ORA:12701 CREATE DATABASE CHARACTER SET IS UN KNOWN...
where
sql> create database orcl
> character set WE8ISO8859P1
is successful...
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May 6, 2011
I have a simple update statement. Sometimes the data in this statement has single quotes in it (like shown below).
Update table1 set account = 'CD'S NOT MINE' WHERE NUMBER = '0027201'
When I run this SQL, I get SQL Error: ORA-01756: quoted string not properly terminated
01756. 00000 - "quoted string not properly terminated"
Is there an escape charecter that I can use?
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Aug 31, 2011
I'm try to import a table of data (character set: CL8ISO8859P5) to another database (character set: AL32UTF8) using exp/imp utility.After the import, all Cyrillic text was corrupted!
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Oct 24, 2012
I want to change space allocation for character columns in my database, So it will store them as 'CHAR' and not 'BYTE'.my character set is
SQL> SELECT VALUE FROM V$NLS_PARAMETERS WHERE PARAMETER='NLS_CHARACTERSET';
VALUE
----------------------------------------------------------------
AL32UTF8
SQL> alter system set NLS_LENGTH_SEMANTICS='CHAR' scope=both;
System altered.I bounced the instance just to make sure
System altered.
SQL> shutdown immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
Connected to an idle instance.
SQL>
SQL>
SQL> startup
ORACLE instance started.
[code].....
And then I want to see that when I create a table with some varchar2 column,The space for it will be allocated by chars, and not by bytes! However, when I run a check of create table, this is what I get:
SQL> drop table check_char;
Table dropped.
SQL> create table check_char (some_name varchar2(10));
Table created.
SQL> select a.char_used
2 from all_tab_columns a
3 where table_name='CHECK_CHAR'
4 and a.owner='SYS';
C
-
B
SQL>
What is the reason for space allocation to remain in BYTES and not CHAR, or what else I can check?
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Mar 19, 2012
How can we get 'space in every character of a string with Single select query'
for example:-
string 'INDIA'
result should be 'I N D I A'
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Jun 9, 2011
I have oracle 10.2.0.4.0 installed on Window server 2008 [Machine A] and oracle 10.2.0.1.0 on windowx xp [Machine b]. Now I have taken the export of database on windows server 2k8 [Machine a] by puting the entry in the tnsname.ora file of Windox XP [Machine b].
Now when I am importing on the same machine I am getting the below mentioned error:
C:Documents and Settingsdsharma>IMP FROMUSER=SYSTEM TOUSER=ESCDBO FILE='D:sharevcc53_0106.dmp' LOG='D:sharevcc53_0106_IMP.LOG' ignore=y
Import: Release 10.2.0.1.0 - Production on Thu Jun 9 20:08:11 2011
Copyright (c) 1982, 2005, Oracle. All rights reserved.
Username: system
Password:
Connected to: Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production..With the Partitioning, OLAP and Data Mining options
Export file created by EXPORT:V10.02.01 via conventional path
import done in WE8MSWIN1252 character set and UTF8 NCHAR character set
import server uses AL32UTF8 character set (possible charset conversion)
export client uses US7ASCII character set (possible charset conversion)
Import terminated successfully without warnings.
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Sep 19, 2013
I have a file which i am loading , the last column is being loaded with special character which looks like sqare shape character for all the rows.How can i prevent it to load as it is not present in the file
data in file
Department|2|Tranport for London|Rail & Underground|ER|ER|ER|ER|ER|ER|555555555|Owner 8|8
the data once loaded for the last column on which is for above example last column value 8 will be loaded with 8 and square share character.
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Mar 10, 2010
If i have a CSV file that is in the following format
"fd!","sdf","dsfds","dsfd",
"fd!","asdf","dsfds","dsfd",
"fd","sdf","rdsfds","dsfd",
"fdd!","sdf","dsfds","fdsfd",
"fd!","sdf","dsfds","dsfd",
"fd","sdf","tdsfds","dsfd",
"fd!","sdf","dsfds","dsfd",
Is it possible to exclude any row where the first column has an exclamation mark at the end of the string.
i.e. it should only load the following rows
"fd","sdf","rdsfds","dsfd",
"fd","sdf","tdsfds","dsfd",
I am using Oracle 10.2
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Mar 2, 2011
When I am trying to import a dump file which was exported from Oracle 10.2.0.4(installed on Solaris) in to Oracle 11.1.0.6.0(Installed on Windows 2003), I am getting the following error
IMP-00037: Character set marker unknown
IMP-00000: Import terminated unsuccessfully
So , I have couple of questions on this
1. Is the above import operation is supported?
2. If yes , which is actually causing the problem?
3. How to rectify this problem? - any solution or workarounds?
4. What should I check in both the Oracle instances - any specific parameters or configurations
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Mar 7, 2012
I have to load a fixed width file using sql loader utility. But the records have multiple special characters. writing / modifying the loader utility to load the data.
--Script to create the table
create table t1 (
ip1 varchar2(2),
ip2 number,
ip3 number);
--loader utility
LOAD DATA
INFILE 'c:inputfile.dat'
BADFILE 'c:adfile.bad'
REPLACE
INTO TABLE t1
FIELDS TERMINATED BY '' OPTIONALLY ENCLOSED BY '°'
(
ip1POSITION(1:2) CHAR,
ip2POSITION(3:17) INTEGER EXTERNAL ":ip2/100",
ip3POSITION(18:32) INTEGER EXTERNAL ":ip3/100",
)
--data file
9900000000000000000000059762160°
9900009694635473¶00009693856712-
99000024383898654000025664467904
--sql version i am using
SQL*Loader: Release 9.2.0.1.0 - Production on Wed Mar 7 18:32:33 2012
Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.
In the above mentioned data file, records has multiple special characters like '°','¶' ,'-'.
All these special characters have some meaning.
eg: '°' specifies the above column needs to be multiplied by -1
'¶' specifies the above column needs to be multiplied by -0.1
what changes need to be made in loader utility for the same? Also, will there be any change in the utility if I am using higher version of oracle?
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Dec 1, 2006
I have a text file which is comma separated with values enclosed in double quotes.
In my text file which I have to load into database, one of the field have the value like
Your "offspring"
When I run my normal sqlloader ctl file, it gives the error as
Record 304: Rejected - Error on table BUYER, column BUYERS_NAME.
no terminator found after TERMINATED and ENCLOSED field
Is there any way I can use some escape character for loading this type of data.
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Nov 12, 2012
Procedures, triggers and other object with character changed.
Every character was replaced by ã? the content of procedures and other objects after importing a schema for production approval.
Example:
EXCEPTION
WHEN OTHERS THEN
p_msgerro := p_msgerro ||
' Erro na selec?o da Unidade Administrativa. ' ||
The character (?) deveria ser (ã)
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Jul 20, 2010
i have to upload a file in database, the column seperator is ASCII CHARACTER 29, i dont know how to specify that in loader file?
how to write this - fields terminated by ' ' in sql file, which i am calling from a batch file.
i have attached the text file which i am trying to upload, here field seperator is ASCII CHARACTER 29 and record seperator is NEW LINE CHARACTER.
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Mar 16, 2011
I've a question regarding difference of character sets, while taking a export(logical backup) of database on directly to server(linux RHEL 2.1 AS) and export on a client (windows xp prof machine, where only a oracle 9i client is installed). On server it seems to fine and okay, but on client node i'm getting following error for almost all tables.
EXP-00091: Exporting questionable statistics.
My question is :
[1] Is it creating any sort of problem, if later on i import the data which was taken from client node.
[2] Why there is a difference(marginal) in dump(.dmp) file size.
[3] Is there any way to overcome it, or it is the natural behave of it. Means not a problem.
[4] If i'm using a long or blob as datatype for some of my table,is they have any problem if i persist like above.
Additional Information about character sets On server node :
Export done in US7ASCII character set and AL16UTF16 NCHAR character set server uses WE8ISO8859P1 character set (possible charset conversion)
On client node :
Export done in WE8MSWIN1252 character set and AL16UTF16 NCHAR character set server uses US7ASCII character set (possible charset conversion)
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Apr 27, 2010
If using utl_file package to write output to a file, is there a way to specify the character set which should be used?
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Nov 13, 2007
I've written a .net program for inserting blobs into our database, and it works fine, except if the path has more than 30(+) characters. I've read that this is a limitation in oracle, but the actual contents being stored is just the filename, extension, and blob itself, so I'm not actually storing anything more than 30 characters.
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Dec 7, 2010
The problem is regarding character encoding.When i am entering Japanese characters in a description form field in a Jsp page and on submit storing the value in the database,its getting stored fine.When i an selecting the value and showing in the result page,then again its properly displaying.But when i am executing the select query in Sql Developer,the values are most probably showing as unicode characters (i am not sure about this though,but at least they are looking like unsupported characters).
Is there any way to store data,such as the select query will also show understandable japanese characters on Sql Developer(or other IDEs)?
i am using Oracle 10g?
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Mar 5, 2010
There is a table like below
seq no. number(6)
amount varchar2(20,2)
The values in the table are:
Rec1
123456
100.00
Rec2
123457
99.01
Rec3
123458
9a.01
Rec4
123459
NULL
Now I want to summarize the amount column replacing non numeric and null values to '0'(zero's).
how to frame query for this.
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May 13, 2010
I would like to use character functions (LPAD, INSTR, SUBSTR, etc) to accomplish what i feel should be rather easy. I would like to take the following character strings:
'ADAM ST #3 S_109640'
'ALBANY AVE #5 & #6 S_AL5&6'
'ALBIN RD #10A S_123318'
And make them
'ADAM ST'
'ALBANY AVE'
'ALBIN RD'
As you can see, it probably boils down to using SUBSTR, INSTR, RTRIM, and LENGTH??
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