OCP-1Z0-053-V13.02-458题
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458.Globalization support is implemented through the text- and character-processing functions provided
by which Oracle feature?
A. RSTLNE
B. NLSRTL
C. LISTENER
D. NLSSORT
E. Linguistic sorts
Answer: B
答案解析:
参考:http://docs.oracle.com/cd/E11882_01/server.112/e10729/ch1overview.htm#NLSPG700
Locale Data on Demand
Oracle Database globalization support is implemented with the Oracle NLS Runtime Library (NLSRTL). The NLS RTL provides a comprehensive suite of language-independent functions that perform proper text and character processing and language-convention manipulations. Behavior of these functions for a specific language and territory is governed by a set of locale-specific data that is identified and loaded at run time.
The locale-specific data is structured as independent sets of data for each locale that Oracle Database supports. The data for a particular locale can be loaded independently of other locale data.
The advantages of this design are as follows:
You can manage memory consumption by choosing the set of locales that you need.
You can add and customize locale data for a specific locale without affecting other locales.
Oracle 全球化支持功能通过Oracle NLS Runtime Library (NLSRTL) 加以实施。
NLSRTL
National Language Support Runtime Library. This library is responsible for providing locale-independent algorithms for internationalization. The locale-specific information (that is, NLSDATA) is read by the NLSRTL library during run-time.
Globalization Support
To support multilingual application, Globalization Support functionality is required for cartridges and callouts. NLSRTL
is a multiplatform, multilingual library current used in RDBMS and provides consistent Globalization Support behavior to all Oracle products.
Globalization Support basic services provide the following language and cultural sensitive functionality:
Locale information retrieval.
String manipulation in the format of multibyte and wide-char.
Character set conversion including Unicode support.
Messaging mechanism.
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