在资料项目应用程序中，使用者也许会预期新的字元会取代任何现存的项目。
In a data entry application, the user might expect new characters to replace any existing entry.
显示以字元为基础的资料型别可允许的字元数。
Shows the number of characters allowed for character-based data types.
显示以字元为主的资料型别可允许的资料行字元数。
Shows the number of characters allowed for columns with character-based data types.
使用指定的格式资讯，将指定之物件的文字表示(后面接著目前的行结束字元)写入标准输出资料流。
Writes the text representation of the specified objects, followed by the current line terminator, to the standard output stream using the specified format information.
使用缓冲区中的资料，将指定的字元数目写入序列埠。
Writes a specified number of characters to the serial port using data from a buffer.
使用指定的格式资讯，将指定之物件的文字表示(后面接著目前的行结束字元)写入标准输出资料流。
Writes the text representation of the specified double-precision floating-point value, followed by the current line terminator, to the standard output stream.
这些工具仅在期末专题中使用，例如，可能用到PROM来存储字元或者图像资料。
These tools are only needed for final projects which, for example, may use PROMs for storing character or image data.
档案的串连也会是问题。例如，当档案合并时不需要的字元会出现在资料中间。
Concatenation of files can be a problem also, for example, when files are merged in such a way that an unnecessary character can end up in the middle of data.
如果字串未经验证且未逸出恶意的文字或字元，攻击者就可能得以存取伺服器上的机密资料或其他资源。
If the string is not validated and malicious text or characters not escaped, an attacker can potentially access sensitive data or other resources on the server.
例如，资料表如果是使用北欧字元建立的，搜寻结果会因您目前的字元集(字码页)是北欧或其他字元集而不同。
For example, if a table was created using Scandinavian characters, the search results might differ depending on whether your current character set (code page) is Scandinavian or another character set.
您可以使用两种方式将常值强制为特定的资料型别：一是附加型别字元，另一则是将它放在封入字元中。
You can coerce a literal to a particular data type in two ways: by appending a type character to it, or by placing it within enclosing characters.
比较文字资料时，结果视目前使用的字元集而定。
If you compare text data, the result depends on the character set currently in use.
比较文字资料时，结果视目前使用的字元集而定。
If you compare text data, the result depends on the character set currently in use.
应用推荐