The tag has no usage guidance.

learn more… | top users | synonyms

11
votes
3answers
40k views

SQL Server 2005/2008 UTF-8 Collation/Charset

I can't find option(s) directly to set UTF-8 rellated Collations/Charsets in SQL Server 2005/2008, same as is possible to set in another SQL engines, but in SQL Server 2005/2008 are there only Latin ...
7
votes
2answers
7k views

How to convert control characters in MySQL from latin1 to UTF-8?

While converting a database to UTF-8 I noticed a strange behavior regarding the control characters 0x80-0x9F. For example, 0x92 (right apostrophe) would not get converted to UTF-8 and truncate the ...
5
votes
1answer
10k views

How can I insert smiley faces into MySQL ( 😊 )

I'm on MySQL 5.5.21, and trying to insert the '\xF0\x9F\x98\x8A' smiley face character. But for the life of me, I can't figure out how to do it. According to various forums which I've been reading, ...
5
votes
1answer
364 views

Dump with special characters in table column name

I'm taking over an old database, and while doing recovery tests from my dump I found out a table is wrongly backed up, the table definition is truncated. Looking at the live db I've found a column ...
5
votes
3answers
1k views

Querying special characters

I work with language with special characters (example: e -> é). I have a query with a LIKE but when I search a word with special char and my query doesn't have the special char, I don't get the ...
4
votes
1answer
6k views

Do I need to use NVARCHAR rather than VARCHAR to properly store UTF8 characters in Oracle?

I want my Oracle database to properly store ALL possible UTF8 characters. If NLS_CHARSET is set to AL32UTF8 is that all I need to do? Or do I need to also make sure I use NCHAR and NVARCHAR rather ...
4
votes
1answer
3k views

What does WE8DEC mean?

It is one of the commonly used character sets. What does it stand for? Is it an acronym for something?
4
votes
2answers
28k views

Determine Oracle session client character set?

I know how the database characterset (NLS_CHARACTERSET in select * from v$nls_parameters;) and the client character set (the client environment setting NLS_LANG) interact. What I can't find out ...
4
votes
2answers
912 views

MySQL - Changing DB CHARACTER SET

I have a 30GB MySql DB, made of innoDB tables. currently the tables character set is: "utf8_unicode_ci" and I want to change it to "utf8_general_ci", what the best way to do it? currently i'm going ...
4
votes
1answer
18k views

Why default character_set_server is latin1?

I am using MySQL 5.5 and when I show variables about charset, I have +--------------------------+----------------------------+ | Variable_name | Value | ...
3
votes
2answers
6k views

Modify all tables in a database with a single command

Is there a single or a one line command to modify all tables within a database. I would like to issue this command in every table within a database: ALTER TABLE `table_name` CONVERT TO CHARACTER SET ...
3
votes
2answers
153 views

Are there any known problems caused by having NLS_LENGTH_SEMANTICS set to CHAR on an Oracle database?

I've always thought that anyone using a database where NLS_LENGTH_SEMANTICS set to BYTE when using a multi-byte character set needed their heads examined, but recently a customer of ours said that ...
3
votes
2answers
2k views

Character Set Database Migration

This is a follow-up question to a previous thread I had posted. We're in the process of migrating to a new character set. Now, I am a programmer and we have DBA's who will be performing the work but ...
3
votes
2answers
610 views

Character Set Encoding in a Table

I have the following data:Trollhättan If I print out and setting up the header to utf-8, then this is the output in the browser. If I'm not setting up the utf-8 in the header, Trollhättan. ...
3
votes
0answers
334 views

utf8mb4 in SQL Server Express

We have some web applications based on databases using utf8mb4 as character set and utf8mb4_Standard as collation. We saw that we can use any character we want with this setting. In SQL Server ...
2
votes
1answer
2k views

How to disable case sensitivity in SQL Server 2012?

I tried to update collation_name in sys.databases. I am trying to change 'SQL_Latin1_General_CP1_CS_AS' to 'SQL_Latin1_General_CP1_CI_AS' in order to disable case sensitivity in table. update d set ...
2
votes
2answers
1k views

SQL Server imports data in wrong charset with SSIS

I have a flat file which I am importing into a SQL Server table using a SSIS package. The code page is set to 65001. However, when I run a SELECT * FROM tableName the data appears mangled. For ...
2
votes
2answers
4k views

SQL Server to MySQL migration - how can I remove UCS-2 surrogate pairs in SQL Server?

I have been tasked with migrating a SQL Server 2005 database to MySQL 5.6 (these are both database servers runnig locally) and would really appreciate some help. -------Edit - Answered------- This ...
2
votes
1answer
3k views

MySql command line cyrillic Iinsert result is corrupted

Have putty connection. Putty config : window-->translation-->remote character set-->utf-8 Launch command line MySQL client. Perform insert with cyrillic like: CREATE TABLE `category` ( `catName` ...
2
votes
2answers
3k views

Is there any doc listing standard <=> Oracle character sets correspondencies?

I'm looking for a table listing Oracle and "standard" character sets, for example: Oracle Standard ------------ ---------- WEISO98859P1 iso-8859-1 AL32UTF8 utf-8 etc. etc. Does ...
2
votes
2answers
1k views

How to convert html entities in Oracle?

I'm trying to decode html containing html entities. I've tried dbms_xmlgen.convert and utl_i18n.unescape_reference but the results are less than satisfactory. SET ESCAPE ON; SELECT ...
2
votes
3answers
1k views

Why are there different levels of MySQL collation/charsets?

Looking at the MySQL server variables the server and database collation are set to latin1_swedish_ci but the collaction_connection is utf8_general_ci. Additionally, the collation/charset is set at ...
2
votes
2answers
9k views

Tell MySQL to start using utf-8 encoding without `convert to`ing it

In a fairly unique situation, my team has ended up with UTF-8 bytes in a database that thinks the data is encoded as latin1. At least, I'm 85% certain that this is the situation at hand. For ...
2
votes
1answer
800 views

Oracle 10 to 11: charset issue

I was redirected from SE's root site to this one. I'm not a DBA, so I shouldn't be doing this, but I have to, so I apologize beforehand to all of you DBAs that will read this post: I'm migrating an ...
2
votes
2answers
6k views

Encoding problems with sqlplus, Linux

I use sqlplus and all non-Latin characters appear as '?' when I run select queries. When I run insert or update queries with non-Latin characters I get question marks on a web page. select * from ...
2
votes
2answers
3k views

ORA-12899: importing a .dmp file + character set conversion

I'm working on a django project on Ubuntu 10.04 with Oracle Database Server , so I've installed: Oracle Database 10g xe universal Rel.10.2.0.1.0 cx_Oracle-5.0.4-10g-unicode-py26-1.x86_64 When I ...
2
votes
1answer
608 views

Correcting the imported latin1 data to be utf8

I restored my drupal site database from a backup but after i finished i discovered that the Imported data was symbols like this قوانين كرة because the backup was taken using latin1 charset ...
2
votes
1answer
2k views

“Data truncated” vs “Incorrect string value”

I'm trying to figure out the difference between some warning messages related to data truncation. Consider the following table: CREATE TABLE `txttest` ( `mycol` text NOT NULL ) ...
2
votes
1answer
4k views

What's the differences between utf8_general_ci and utf8_unicode_ci and utf8_binary collation in MySQL?

I'm can't find the documentation of MySQL on this topic. Anyone can give some explanations please?
2
votes
1answer
348 views

Remove question marks from database(latin1_general_ci table)?

How can I remove question marks(not diamond shaped) from a latin1_general_ci MyISAM table? I tried going back to utf8 and tried to apply things in ...
2
votes
1answer
1k views

DBD::mysql complains “Character set 'latin1' is not a compiled character set”

I think this boils down to "Am I doomed to upgrading mysql hoping the problem goes away?". I've seen a few of the same issues around the internet but with no guidance on a fix other than "Did you turn ...
2
votes
1answer
94 views

False positive error message in MS Access (concurrent users)

I have discovered a strange apparent bug in MS Access and would like to know if others know it already and hopefully how to get around it. Trying to count records based on known column categories. ...
1
vote
3answers
3k views

Inserting Serbian Latin and Cyrillic characters

I am using SQL Server 2012 Express as part of my asp.net development workstation. Database and table collation is set to Latin1_General_CI_AI. Attribute types are nvarchar(max) and varchar(max). ...
1
vote
2answers
39 views

Which accented characters are considered the same?

In MySQL, certain characters are considered the same when performing searches, e.g. 'n' and 'ñ'; unless you specify BINARY in the condition. Is there a list somewhere of the characters that are ...
1
vote
1answer
7k views

€ Euro sign/symbol not showing up on Oracle 10gr2 and aix 6.1

this is Oracle 10gr2 on aix 6100-02 The issue is that I do not manage to see the € sign from Oracle. This is an easy way to see the issue: SQL> insert into prueba values ('€'); SQL> commit; ...
1
vote
2answers
1k views

How do I find an invalid utf8 character “somewhere” in my MySQL/trac database

I have an installation of trac, which uses MySQL. It has been upgraded so many times, moved servers etc. and chances are that the MySQL character sets were not always set correctly or consistently ...
1
vote
2answers
260 views

Oracle DB export, possible charset conversion if NLS_LANG not set

I need to export an Oracle database from one server and import it on another server. But I am getting the following information message at the beginning: Connected to: Oracle Database 10g Release ...
1
vote
2answers
2k views

MySQL silently replaces UTF chars with literal question marks

I'm experiencing a situation similar to this SO question i.e. I'm working with a legacy database which has UTF8 content in latin1 tables (pretty ugly I know). Now I'm getting new data from a new ...
1
vote
1answer
354 views

Master and slave tables with different character sets - will replication break?

We have some huge tables in our MySQL 5.6 database that have latin-1 as their character set, and want to convert them all to UTF-8 (along with converting the database's global character set). The ...
1
vote
2answers
4k views

Postgres client unable to detect UTF-8 database

Context I am deploying a Vagrant box for my development team, and have encountered a problem restoring UTF-8 collated dumps. I don't believe it is related to the now-infamous "UTF8" has no equivalent ...
1
vote
1answer
1k views

Solutions to 4-byte utf-8 characters in mysql 5.1

I'm running into a problem that seems to be an issue w/ mysql 5.1s limitations on UTF8 characters. From http://dev.mysql.com/doc/refman/5.1/en/charset-unicode-utf8.html Currently, MySQL support for ...
1
vote
3answers
50 views

character set, not set correctly

I have two database with a table with utf8 table, I wanted to change the encoding of a column, I used two scenarios but a problem happened to me. at first the table was like this : CREATE TABLE ...
1
vote
1answer
25 views

extract all unique chars from all texts across the table

I have a huge mysql table (20 columms by 320.000 rows) that contains a lot of text from a lot of languages and the problem is that I need to identify all the unique characters in that table. For ...
1
vote
1answer
52 views

How to determine column character set used on creation?

I have this SQL creation statement: CREATE TABLE `testdb`.`new_table` ( `id` INT NOT NULL AUTO_INCREMENT, `text_default` VARCHAR(45) NULL, `text_latin` VARCHAR(45) CHARACTER SET 'latin1' ...
1
vote
1answer
460 views

MySQL Character set and Collation Issue.?

I Have a table when i select from the table i got the invalid data as mysql> select budgetID,StartDate,modifiedBy from Table_name order by budgetID desc limit 10; ...
1
vote
1answer
2k views

MySQL transfer ISO-8859-1 to UTF-8

How to transfer data from Database with latin1 character set, to database UTF-8. And on transferring convert data from latin1 to UTF-8 e.g., û->ū, ë->ė, þ->ž, á->į and etc.
1
vote
1answer
62 views

ERROR 1071 (42000): Specified key was too long; max key length is 767 bytes

I have a databases with latin1 charachter set, I need to change tables character set to utf8, but I get error. the current character set is : mysql> show variables like "%character%"; ...
1
vote
0answers
153 views

Unicode character replication MSSQL to MYSQL in Symmetric DS

I'm doing replication from MSSQL to MYSQL using symmetricds and it is working fine. Now , the problem is: In the SQL Server table , I have a column defined as NVARCHAR(20) which accepts unicode ...
1
vote
1answer
300 views

MySQLSyntaxErrorException on ALTER TABLE … CONVERT TO … in MySQL Connector/J

Running Ubuntu 14.04 with mysql-connector-java-5.1.28 installed. Let's create a table: CREATE TABLE mytable (value1 VARCHAR(32000), value2 TEXT, value3 VARCHAR(1000), value4 VARCHAR(32000)) ...
1
vote
2answers
2k views

Setting default CHARSET and DB Engine

I recently updated my server's database system from MySQL to MariaDB. After update, everything works well. But, when I went to phpMyAdmin, the default charset and types are changed: At the end of ...