You can easily navigate in this FAQ to the sections of interest. It is recommended to start with the NLS_LANG Parameter Fundamentals section to get a basic understanding of how the NLS_LANG parameter works. Note: Some content in this FAQ may be outdated.
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NLS_LANG Parameter Fundamentals Common NLS_LANG Myths. Checking the current NLS_LANG Setting. The Priority of NLS Parameters related to NLS_LANGSession Parameters. Instance Parameters. Database Parameters. An example of a wrong NLS_LANG setup. How to setup the NLS_LANG Properly for UNIXHow to setup the NLS_LANG Properly for Windows and DOS Code Pages.
Where to set the NLS_LANG in Windows. Determine your Windows ANSI code page.
The correct NLS_LANG for Windows Command Line Operations. List of common NLS_LANG settings used in the Windows Registry: List of common NLS_LANG settings used in the Command Prompt (DOS box)Other Frequently asked questions regarding NLS_LANGWhat does the LANGUAGE component of the NLS_LANG parameter control?
What does the TERRITORY component of the NLS_LANG parameter control? How to see what's really stored in the database? Where is the Character Conversion Done?
Este capítulo describe la sintaxis para los comandos SQL soportados en MySQL. Mysql is a simple SQL shell (with GNU readline capabilities). It supports interactive and non-interactive use. When used interactively, query results are presented in.
Windows SQL*Plus is not showing all my extended characters? I get a question mark or inverted question mark when selecting back just inserted characters? Is i. SQL*Plus the only unicode enabled client we support? What about command line tools like SQL*Loader, Import, Export, utilities? What about database links? What about Multiple Homes on Windows? Is there an Oracle Unicode Client on Windows?
What is a Character set or Code Page? there. Why Are There Different Character sets?What is the difference between 7 bit, 8 bit and Unicode Character sets?How to choose the right database character set?NLS_LANGParameter Fundamentals.A locale is a set of information addressing linguistic and cultural requirements that corresponds to a given language and country.
NLS_LANG FAQ. You can easily navigate in this FAQ to the sections of interest. It is recommended to start with the NLS_LANG Parameter Fundamentals section to get a.
Traditionally, the data associated with a locale provides support for formatting and parsing of dates, times, numbers, and currencies, etc. Providing current and correct locale data has historically been the responsibility of each platform owner or vendor, leading to inconsistencies and errors in locale data.
Setting the. NLS_LANGenvironment parameter is the simplest way to specify locale behavior for Oracle software. It sets the language and territory used by the client application and the database server. It also indicates the client's character set, which corresponds to the character set for data to be entered or displayed by a client program. NLS_LANGis set as a local environment variable on UNIX platforms. NLS_LANGis set in the registry on Windows platforms. The. NLS_LANGparameter has three components: language, territory, and character set.
Specify it in the following format, including the punctuation: NLS_LANG = language_territory. Each component of the. NLS_LANGparameter controls the operation of a subset of globalization support features: Language.
Specifies conventions such as the language used for Oracle messages, sorting, day names, and month names. Each supported language has a unique name; for example,AMERICAN,FRENCH, or. GERMAN. The language argument specifies default values for the territory and character set arguments. If the language is not specified, then the value defaults to. AMERICAN. Territory. Specifies conventions such as the default date, monetary, and numeric formats.
Each supported territory has a unique name; for example,AMERICA,FRANCE, or.CANADA. If the territory is not specified, then the value is derived from the language value.Charset. Specifies the character set used by the client application (normally the Oracle character set that corresponds to the user's terminal character set or the OS character set). Pokemon Diamond Game Download For Pc Free . Each supported character set has a unique acronym, for example,US7.ASCII,WE8. ISO8. 85.P1,WE8. DEC,WE8. MSWIN1.
JA1. 6EUC. Each language has a default character set associated with it. Note: All components of the NLS_LANG definition are optional; any item that is not specified uses its default value. If you specify territory or character set, then you must include the preceding delimiter [underscore (_) for territory, period (.) for character set]. Otherwise, the value is parsed as a language name. For example, to set only the territory portion of NLS_LANG, use the following format: NLS_LANG=_JAPANThe remainder of this document will focus on the charset component of the NLS_LANG setting, as it is the least understood and most important piece to set correctly. Top of the Document.
Common NLS_LANG Myths· Setting the NLS_LANG to the character set of the database MAY be correct but IS often not correct. DO NOT assume that NLS_LANG needs to be the same as the database character set. THIS IS OFTEN NOT TRUE.· The character set defined with the NLS_LANG parameter does NOT CHANGE your client's character set. It is used to let Oracle know what character set you are USING on the client side, so Oracle can do the proper conversion.
You cannot change the character set of your client by using a different NLS_LANG!· If you don't set the NLS_LANG on the client it uses the NLS_LANG of the server. This is also NOT true! For example, if the Oracle Installer does not populate. NLS_LANG, and it is not otherwise set then its value by default is AMERICAN_AMERICA. US7. ASCII. The language is. AMERICAN, the territory is.
AMERICA, and the character set is. US7. ASCII.· Setting the LANGUAGE and TERRITORY parameters of NLS_LANG has nothing to do with the ability to store characters in a database. A NLS_LANG set to JAPANESE_JAPAN. WE8. MSWIN1. 25. 2 will not allow you to store Japanese, as WE8. MSWIN1. 25. 2 doesn't support Japanese characters. However a NLS_LANG set to AMERICAN_AMERICA. JA1. 6SJIS will allow you to store Japanese providing the input data is truly JA1.
SJIS and if the database is also in a character set that can store Japanese like UTF8 or JA1. SJIS)Top of the Document. Checking the current NLS_LANG Setting. In many cases the NLS_LANG has been already set during the Oracle install or thereafter manually. To be sure you can use these methods to get back the value of NLS_LANG for SQL*Plus: On UNIX: SQL> HOST ECHO $NLS_LANGThis returns the value of the parameter. On Windows: On Windows you have two possible options, normally the NLS_LANG is set in the registry, but it can also be set in the environment, however this is not often done.
The value in the environment takes precedence over the value in the registry and is used for ALL Oracle_Homes on the server. Also note that any USER environment variable takes precedence over any SYSTEM environment variable (this is Windows behavior, and has nothing to do with Oracle) if set. To check if it's set in the environment. SQL> HOST ECHO %NLS_LANG%. If this reports just %NLS_LANG% back, the variable is not set in the environment. If it's set it reports something like. ENGLISH_UNITED KINGDOM.
WE8. ISO8. 85. 9P1. If NLS_LANG is not set in the environment, check the value in the registry: SQL> @.[%NLS_LANG%]. If you get something like. Unable to open file.[ENGLISH_UNITED KINGDOM. WE8. ISO8. 85. 9P1]. The "file name" between the braces is the value of the registry parameter. If you get this as result: Unable to open file ".[%NLS_LANG%]." then the parameter NLS_LANG is also not set in the registry.
Note the @.[%NLS_LANG%]. NLS_LANG known by the SQL*Plus executable, it will not read the registry itself. But if you run the HOST command first and the NLS_LANG is not set in the environment then you can be sure the variable is set in the registry if the @.[%NLS_LANG%]. All other NLS parameters can be retrieved by a.
SELECT * FROM NLS_SESSION_PARAMETERS. Note: SELECT USERENV ('language') FROM DUAL; gives the session's < Language> _< territory> but the DATABASE character set not the client, so the value returned is not the client's complete NLS_LANG setting! Top of the Document. The Priority of NLS Parameters related to NLS_LANGThis section explains the order in which NLS parameters are taken into account in the database client/server model. This does NOT cover Thin JDBC connections)There are 3 levels at which you can set NLS parameters: Database, Instance and.
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