character set conversion

1. Description of the problem:Data migration between databases is a common job, and the Exp/imp tool is a common data migration and conversion tool that is most commonly used in cross-platform migrations because of its platform-agnostic export files.

Page garbled The reason for this garbled is that the character set encoding should not be specified for use in the page: just specify the character set encoding in the beginning of the page with the following code The code is as

One, what is the Oracle character setAn Oracle character set is a collection of symbols that are interpreted as a byte of data, having a size and a mutual containment relationship. ORACLE's support for the national language architecture allows you

2. Implementation of the Read and write methods Both the read and write methods call the BDE API function to complete the reading and writing of the Database Blob field, which is implemented as follows: function Tblobstream.read (var Buffer; Count:

Oracle Character Set1, IntroductionORACLE The database character set, which is Oracle globalization support (globalization), or national language Support (NLS), is used to store, process, and retrieve data in its native language and format. With

View the encoding: show variables like 'collation _ % '; show variables like 'character _ set _ %'; Modify: MySQL: Modify the default character set and convert the character set (MySQL 5.X) 1. modify the default character set of the MySQL database

The following is a detailed analysis of the character set in Oracle. For more information, see Basic ConceptsCharacter set ):Is a collection of all abstract characters supported by the system. A character is a general term for all types of texts and

Advanced query and difficulties of Oracle and Mysql SQLMysql query Yang Kai exclusive Channel OracleSQL 1. Connection query 1. Internal Connection is used to return all records that meet the connection conditions. By default, if no join operator is

Basic ConceptsCharacter set ):Is a collection of all abstract characters supported by the system. A character is a general term for all types of texts and symbols, including Chinese characters, punctuation marks, graphical symbols, and numbers.

Welcome to the Linux community forum and interact with 2 million technical staff. MySQL strings are classified into two categories: 1) binary strings: a string of bytes. The interpretation of bytes does not involve character sets, therefore, it does

1 Guide Selecting character sets during MySQL backup is a problem, especially for businesses with variable character sets. Utf8 is used by default for mysqldump, and utf8 is also recommended officially. However, for Chinese characters, a

Put a part of the code firstCString strhttpname="http://localhost/TestReg/RegForm.aspx";//pages that need to submit dataCString Strformdata ="username=abc&password=123";//data that needs to be submittedCInternetSession Sess;CHttpFile*FileGet;CString

IC introduction many people are using OracleInstantClient, which provides an easy and fast way to deploy applications based on OCI, OCCI, and JDBCOCI. By adding more tools, InstantClient can become a more powerful tool, as follows: 1.

1.Convert the number of a character to a number. For example, convert '0' to 0, which can be directly implemented by addition.For example, sort d in the pony table and define d as varchar.Select * from pony order by (d + 0)2. when performing ifnull

Using the example in the previous section, we found that one of the thresholds for Apache plug-in development is to learn about its own set of APIs. Although Apache has a detailed description of these APIs on the web, it is difficult to quickly

The iconv function library of php can be used to convert character sets. It is an indispensable basic function library in php programming. However, an error occurs when iconv is used to convert some special characters, such as-To gb2312. First look

Exp/imp three modes-full, user, and table ORACLE databases have two backup methods. The first type is physical backup. This method enables complete database recovery, but the database must run in the recovery mode (the business database runs in the

[Oracle] A Character set is a collection of all abstract characters supported by the system. A character is a general term for all types of texts and symbols, including Chinese characters, punctuation marks, graphical symbols, and numbers. Common

Yesterday, I tried to batch process a bunch of previously downloaded files and matched the key content in the files with regular expressions for centralized processing. A problem occurs when operating files. PHP uses the mb_string function library

Welcome to the Oracle community forum and interact with 2 million technical staff. I often see some questions about ORACLE character sets. I would like to introduce them in an iterative manner. First iteration: master the basic concepts of character