• For database design, you have to consider that the column sizes have to be defined in bytes, not in characters.

    对于数据库设计必须考虑大小按照字节定义的,而不是按照字符数。

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  • You can define a table column with GRAPHIC (5) to store these five Chinese characters.

    可以GRAPHIC(5)定义一个存储5中文字符

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  • FOLD_AFTER, FOLD_BEFORE - When a record exceeds the number of characters available for a row, this option allows you to decide where to fold the record-after or before the current column.

    FOLD_AFTER, FOLD _ BEFORE-某条记录超过有效字符时,选项可让决定在何处折叠该记录————在当前之前还是之后。

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  • Since a graphic character is always 2 bytes long, the maximum graphic length that can be indexed is 510 graphic characters, and the column can be defined as VARGRAPHIC (510).

    因为图形字符总是2字节长的所以可以建立索引最大图形化字符长度510个字符,可以定义VARGRAPHIC (510)。

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  • For multiple column work, a better average is 40 to 50 characters.

    对于页面平均4050个字符每行最好

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  • Hence, if you want to define a VARCHAR column that can store up to 10 characters, you have to define the column as VARCHAR (40) because a single character requires from 1 to 4 bytes.

    因此如果定义个最多存储10个字符varchar那么必须将这个列定义VARCHAR(40),因为一个字符占用14字节

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  • The column LASTNAME is formatted with "A6," which restricts the column values to a maximum of six characters.

    格式“ A6 ”对lastname进行格式化,从而限制大为6个字符。

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  • Therefore, the maximum number of characters that can be stored in the column might be reduced if non-ASCII characters are involved.

    因此如果涉及非ascii字符那么可以存储最大字符可能减少

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  • TRUNCATED - When the column value exceeds the column width, truncate the exceeding characters.

    TRUNCATED-超过列的宽度时,截断超出字符

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  • If you use a nullable VARCHAR column and only ASCII characters (UTF-8 format 1 byte per character) involved, the maximum character length that can be indexed is 1021 characters.

    如果使用可空的varchar涉及ASCII字符(在utf - 8格式字符1字节),那么可以建立索引最大字符长度1021个字符。

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  • A delimited ASCII (del) file is a stream of ASCII characters; rows in the data stream are separated by row delimiters, and column values within a row are separated by column delimiters.

    分隔ASCII (DEL)文件ASCII字符数据流中的分隔符分隔,中的由列分隔符分隔。

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  • Change the expression of the JOB_DESC column to display only the first 50 characters, as described above.

    修改job_desc表达式,使其显示50个字符如上所述。

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  • For example, if the column has a type of VARCHAR (256), results that are longer than 256 characters result in a failed flow and an SQL error.

    例如如果类型为VARCHAR(256),大于256个字符结果导致失败和SQL错误。

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  • However, if the column is a character data type and contains only numeric characters, you can indicate this by setting the NUMERIC_STRING option to 'y.'

    然而如果字符数据类型并且包含数字字符,那么可以通过将NUMERIC_STRING选项设置为“Y”来表明这一点。

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  • A column that contains the customer type as characters.

    包含客户类型作为字符

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  • For our example, item_id is a char column that stores only numeric characters, as we indicate in the following statement.

    对于我们例子,item_id一个char,它存储数字字符以下语句所示。

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  • For example, the name column in the database is now 100 characters long.

    例如数据库中的name现在100个字符

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  • A column that contains the country of the customer as characters.

    包含客户国籍作为字符

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  • The name column contains the name of the optimization profile and may contain an alphanumeric string of up to 128 characters.

    name包含优化概要文件名称还可能包含最多128个字符组成的字母数字式字符串

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  • For example, if you store the following five Chinese characters in UTF-8, you need to define a table column at minimum with char (15).

    例如如果utf - 8格式存储以下5个中文字符那么至少需要CHAR(15)定义一个

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  • Given that you know only the UCS-2 hex-code, there is another method for entering Unicode characters in a UTF-8 column.

    如果知道UCS- 2十六进制编码还有另一种方法可以utf - 8列中输入unicode字符

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  • If you know the UTF-8 encoding of a character, you can also use this method to enter Unicode characters in a char or VARCHAR column.

    如果知道字符UTF - 8编码可以这种方法CHARvarchar列中输入unicode字符

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  • In addition, the vendorName column is stored as a string of characters with a maximum length of 64.

    另外vendorname字符串类型保存,最大长度64。

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  • You can use UTF characters as table names or column names in a database.

    可以使用UT f字符作为数据库中的列名

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  • It should be short and snappy, and no more than about 40 characters long (the width of a single column of text on a standard Economist page).

    要求简短上口并且不能超过40(标准《经济学人页面内容所占宽度)。

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  • It should be short and snappy, and no more than about 30 characters long (the width of a single column of text on a standard Economist page, including Spaces).

    要求简短上口并且不能超过30个(标准《经济学人页面内容所占宽度包括空格)。

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  • For ipload, database, table and column names cannot exceed 18 characters.

    对于ipload数据库名、列名不能超过18个字符

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  • Analyzing the characters of the cooling load in architectural structure with column glass walls, and presenting the calculation with an example of air conditioning in this article.

    本文通过一个工程实例阐述了圆柱体玻璃围护结构空调负荷计算,分析了这类围护结构建筑的负荷特点

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  • Fills the current line in the buffer with empty characters (white space) to the given column.

    缓冲区中的当前给定字符(空白)填充

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  • The preparing processes of glass capillary column of zine dodecyl benzene sulphonate as chromatographic stationary phase are introduced and their separate characters are studied.

    介绍了十二烷基磺酸锌作为色谱固定玻璃毛细管制备过程并且它们的分离性能进行了研究。

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