How do I change the parameters in NLS?
You can alter the NLS_TERRITORY parameter by changing the value in the initialization file and then restarting the instance. The default value of NLS_TERRITORY can be operating system-specific.
What is NLS character set in Oracle?
Data fetched from, and sent to, Oracle Database will be mapped between the database character set and the “Oracle client” character set of the Oracle Client libraries used by cx_Oracle. cx_Oracle uses Oracle’s National Language Support (NLS) to assist in globalizing applications.
What is NLS character?
Oracle’s National Language Support (NLS) architecture allows you to store, process, and retrieve data in native languages. It ensures that database utilities and error messages, sort order, date, time, monetary, numeric, and calendar conventions automatically adapt to the native language and locale.
When to use alter session statement in NLS?
An ALTER SESSION statement is automatically executed when a session connects to a database to set the values of the database parameters NLS_LANGUAGE and NLS_TERRITORY to those specified by the language and territory arguments of NLS_LANG. If NLS_LANG is not defined, no implicit ALTER SESSION statement is executed.
What does setting the NLS _ Lang parameter do?
Setting the NLS_LANG parameter is the simplest way to specify locale behavior. It sets the language and territory used by the client application. It also sets the character set of the client, i.e., the character set of data entered or displayed by a client program.
When to change national character set to UTF8?
Oracle Releases 9.2.0, 10.1.0, 10.2.0, and 11.2.0. We recommend that you change the national character set to UTF8 during a database upgrade regardless of whether or not an SAP J2EE system (Java stack) with Unicode data is installed in the database.
What are the parameters for alter session in Oracle?
NLS parameters set in an ALTER SESSION statement can be used to override the defaults set for the session in the initialization file, or set by the client with environment variables. SQL> ALTER SESSION SET NLS_SORT = FRENCH; For a complete description of ALTER SESSION, see Oracle8i SQL Reference. As a SQL function parameter.