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SQL的基本操作---数据的检索篇 什么在查询中对字段命以别名,或重新命名,这样做的原因有两个: ☆所涉及的表的字段名很长,想使字段在结果集中更易处理一些。 ☆...
SQL的基本操作---数据的检索篇 什么在查询中对字段命以别名,或重新命名,这样做的原因有两个: ☆所涉及的表的字段名很长,想使字段在结果集中更易处理一些。 ☆创建的查询产生了某些计算或合计列,需要对之进行命名。 不管是什么原因对字段命以别名,在 SQL 中都可以容易地使用 As 子句做得-the basic operation of SQL data retrieval-- What Part of the field inquiries to life alias, or re-naming to do so for two reasons : involved in the table field names is very long, so that the field would result in easier handling. inquiries have created some calculation or together, would be required for the process of naming. Whatever the reason right to life alias field in SQL can be easily done using As CLAUSE
- 2022-03-24 04:59:45下载
- 积分:1
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实现GB码和Big5码间的转换的程序,采用VC实现
实现GB码和Big5码间的转换的程序,采用VC实现-Realize GB code and Big5 code conversion between the procedures, the use of VC realize
- 2023-09-03 10:20:04下载
- 积分:1
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and Source Code for the small number of keyboard input methods
和码输入法源码,为数字小键盘输入法-and Source Code for the small number of keyboard input methods
- 2022-02-02 15:49:48下载
- 积分:1
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根据输入的汉字输出其拼音
根据输入的汉字输出其拼音-depending on the input Chinese characters spelling its output
- 2023-03-30 20:50:04下载
- 积分:1
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一个单片机中使用的的拼音输入法模块,里面包含了拼音输入法码表...
一个单片机中使用的的拼音输入法模块,里面包含了拼音输入法码表-A single-chip microcomputer used in the Pinyin input method module, which contains the Pinyin input method code table
- 2023-06-18 07:00:04下载
- 积分:1
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拼音输入法的实现// 源代码// C// 中文
拼音输入法的实现// 源代码// C// 中文-Pinyin input method of achieving// source// C// Chinese
- 2022-09-01 02:35:03下载
- 积分:1
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GBK码和UUCODE码互相转换的源码
GBK码和UUCODE码互相转换的源码 -The source for transfering GBK and UUCODE with each other
- 2022-02-21 08:51:16下载
- 积分:1
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关于wince下的按键处理程序
关于wince下的按键处理程序-weights on the keys handling procedures
- 2022-10-12 15:35:03下载
- 积分:1
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Visual Basic keyboard input method
Visual Basic中的键盘输入法-Visual Basic keyboard input method
- 2022-05-05 15:21:42下载
- 积分:1
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经典:用API 作简繁体转换 1. 输入Big5字符,返回Gb简体字符 //
经典:用API 作简繁体转换 1. 输入Big5字符,返回Gb简体字符 //--------------------------------------------------------------------------- //函数输入Big5字符,返回Gb简体字符 //--------------------------------------------------------------------------- AnsiString __fastcall Big2Gb(AnsiString sBig) { char* pszBig5=NULL //Big5编码的字符 wchar_t* wszUnicode=NULL //Unicode编码的字符 char* pszGbt=NULL //Gb编码的繁体字符 char* pszGbs=NULL //Gb编码的简体字符 AnsiString sGb //返回的字符串 int iLen=0 //需要转换的字符数-classic : A Brief History API for a change. Input Big5 characters return Gb English characters //---------------------------------------// Function input characters Big5 return Gb English characters //--------------------------------------------------------------------------- AnsiString __fastcall Big2Gb (AnsiString sBig) (char* pszBig5 = NULL// Big5 Coding wchar_t characters wszUnicode = NULL*// Unicode character encoding pszGbt char = NULL*// Gb coding of traditional characters pszGbs char = NULL*// Gb coding simplified characters AnsiString sGb// int i
- 2022-03-19 08:08:08下载
- 积分:1