single byte character

NSI, UTF-8, Unicode, three encoded formats for character codes, one character can be encoded into ANSI, UTF-8, or Unicode format, and the three formats are only different in expression and represent the same content. ANSI, UTF-8, Unicode ANSI, UTF-

Set operators Union, union All, INTERSECT, and minusThese three operators have the same precedence, from left to right, unless there are parenthesesLibrary single table operation, single-Library multi-table operation, multi-Library multi-table

Oracle EXP/IMP backup is one of the most common backup methods. In fact, Exp/Imp is not a good backup method. The correct statement is that Exp/Imp can only be a good dumping tool. Oracle EXP/IMP backup: Import/export is the oldest two surviving

1. exp/IMP logical backupImport/export is the oldest two surviving Oracle command line tools. In fact, I never think exp/imp is a good backup method, the correct statement is that exp/IMP can only be a good dump tool, especially in small database

43. Convert (C, dset, sset)Convert the source string sset from one language character set to another destination dset Character Set SQL> select convert ('strutz', 'we8hp ', 'f7dec') "Conversion" from dual; Conver------Strutz 44. hextorawConverts a

Three encoding types The first encoding type is single-byte character set or SBCS ). In this encoding mode, all characters are represented in only one byte. ASCII is SBCS. The value 0 in one byte indicates the end of The SBCS string. The second

[To] characters, bytes, and encoding From: http://www.regexlab.com/zh/encoding.htm Level: Intermediate Abstract: This article describes the development process of character and encoding and the correct understanding of related concepts. Examples

Document directory Unicode Character Set Overview Encoding System Changes Common unicode encoding Unicode-Related Frequently Asked Questions Original article: http://www.cnblogs.com/KevinYang/archive/2010/06/18/1760597.html   Character

Google's Sitemap service requires that all site maps published must be encoded in Unicode UTF-8. Google does not even allow other Unicode encodings (such as UTF-16), not to mention non-Unicode encodings such as ISO-8859-1. Technically, this means

File read/writeIf you write a large amount of data in your code, it will increase the redundancy of the Code, by reading the file, you can streamline the code, easy to modify the data and code maintenanceClassification of IO streams: byte stream and

DB2 string is the basic knowledge in the DB2 database, the following is a description of the DB2 string for you, for your reference, if you are interested in the DB2 string, you may wish to see.The DB2 string is a sequence of bytes. The DB2 string

Problem:When IMP is a DMP file, the prompts do not support the required character set conversion (from type 850 to 852). principle: Oracle Multi-Language settings are designed to support the world wide range of languages and character sets, and

This forum article mainly introduces the Oracle database backup strategy related concepts and the use of attention, detailed content please refer to the following First, understand the importance of backup It can be said that from the day the

DB2 built-in data types can be classified as numeric (numeric), string (character string), graphic string (graphic string), binary string (binary string), or datetime (date). There is also a special data type called DATALINK. The DATALINK value

varchar and char are two of the most important string types. Unfortunately, it is difficult to explain precisely how these values are stored on disk and in memory because of the specific implementation of this storage engine. The following

1.oracle database download, installation, uninstallationOracle Downloads:Oracle Download link Address: http://www.oracle.com/technetwork/cn/database/enterprise-edition/downloads/index.htmlsuch as: Choose to accept the agreement, choose their own

Problem Link Http://www.eygle.com/special/NLS_CHARACTER_SET_04.htm 4. Import Export and transformation Import and export is a commonly used data migration and transformation tool, because its export file is platform-independent, so it is most

I. Differences in the types of BLOBs and CLOB in OracleBLOBs and Clob are large field types, blobs are stored as binary, and CLOB can store text directly. The two are interchangeable, or you can use LOB fields directly instead of the two. But in

The built-in data types of the DB2 database are mainly classified as numeric (numeric), string (character string), graphic string (graphic string), binary string (binary strings), or DateTime. There is also a special data type called DATALINK. The

Import and export and conversionImport and export is a commonly used data migration and conversion tool, because its export file is platform-independent, so in cross-platform migration, the most common.In the export operation, it is very important