Data types (integer or varchar, for example).
数据类型(例如，integer或varchar)。
By default, Rails migrations will encode a string column as a varchar (255).
默认地，Rails迁移会将string列按varchar(255)编码。
The last two fields can be alphanumeric, so you'll use the varchar() function.
最后这两个字段可以是字母数字，所以将使用varchar()函数。
The format option is used to format the column values of type numeric and varchar.
format选项用于格式化numeric和varchar类型的列值。
The following query finds the userid from all submitted forms and returns them as varchar.
以下查询从提交的所有表格中查询用户ID并将它们以varchar形式返回。
In the example below, the variable var1 is assigned a varchar value using the exec command.
下面的示例使用exec命令赋给变量var1一个varchar值。
The ACL should be persisted and retrieved using ordinary database types, such as varchar or string.
应使用普通数据库类型(如varchar或字符串)保留和检索acl。
DB2 array data types yielded significantly higher performance compared to varchar representations of arrays.
与阵列的varchar表示相比，DB 2阵列数据类型具有显著的高性能。
In the example, the format option is used to format varchar and decimal columns, ENAME, and SAL respectively.
在示例中，FORMAT选项分别用于格式化varchar和decimal列、ENAME和SAL。
As you can see, it is a very straightforward syntax, not much different from declaring a column as an integer or a varchar.
可以看到，语法非常简单，和声明整数列或者varchar列没有什么区别。
This is followed by a text-type field (which could alternatively be a varchar type, if you prefer) that is the actual message.
后面是一个text类型字段(如果喜欢也可以选择varchar类型)，也就是实际的消息。
Reserved extended table field: Pre-define a fixed number of additional data columns in each table with a generic column type (e.g. varchar).
保留的扩展表字段：在每个表中预先定义固定数量的额外数据列，这些列采用通用列类型（比如 varchar）。
CLPPlus supports variables of various data types, including integer, decimal, varchar, varchar2, number, Boolean, row, array of rows, cursor, etc.
CLPPlus支持各种数据类型的变量，包括integer、decimal、varchar、varchar2、number、Boolean、row、arrayofrows、cursor等。
ActiveScaffold will create SQL that searches all varchar columns for the model so that entering a term like "ham" will find my user record based on my last name.
ActiveScaffold会创建一条sql语句为模型搜索所有的varchar列，这样输入诸如“ham”之类的条件就可以找到基于姓氏的用户记录了。
Parameter 2 is an output VARCHAR.
第二个参数是一个输出VARCHAR。
VARCHAR (30) is the data type of the variable.
VARCHAR(30)表示变量的数据类型。
The data type of the register is VARCHAR(255).
寄存器的数据类型为 VARCHAR(255)。
The item names are stored in an SQL VARCHAR column.
商品名称存储在一个SQLvarchar列中。
CHAR and VARCHAR of different lengths are compatible data types.
不同长度的CHAR和VARCHAR是兼容的数据类型。
VARCHAR HASHED: For nodes with string values of arbitrary length.
VARCHARHASHED：用于带有字符串值的节点，字符串值的长度为任意长度。
MTK maps the ENUM data type to VARCHAR(255) with check constraint.
MTK 将ENUM数据类型映射到带检查约束的VARCHAR(255)。
You can only define an index on a column defined with VARCHAR (1021).
只能在用VARCHAR(1021)定义的列上定义索引。
VARCHAR (n) : For nodes with string values of a known maximum length n.
VARCHAR (n)：用于带有字符串值的节点，已知字符串值的最大长度为n。
But, you could decide to index book prices as VARCHAR, as shown in Table 3.
但是，也可以将书籍价格作为VARCHAR进行索引，如表3所示。
The reason is simply that inlined data is treated exactly like VARCHAR FOR BIT data.
原因是，内联的数据当作VARCHAR FORBIT DATA对待。
With a VARCHAR, the number of characters can vary, and no extra padding is performed.
而使用VARCHAR 时，字符的数量是可变的，不执行额外的填充。
Rename the second attribute to DESCRIPTION and change its data type to VARCHAR (1024).
将第二个属性重新命名为DESCRIPTION，并将它的数据类型改为VARCHAR (1024)。
The groups will be identified by VARCHAR values but can as well be defined as integers.
可通过varchar值来识别分组，但也可以将分组定义为整数。
The index key limit might be reduced when you are using VARCHAR or VARGRAPHIC data type.
当使用VARCHAR或VARGRAPHIC数据类型时，索引键限制可能减少。
A way to work around this is to cast the return of the query to a VARCHAR using a cast function.
解决此问题的一种方法是使用转型函数将查询的返回数据转型为VARCHAR。
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