varchar
- 可变长字符串
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The data type of the register is VARCHAR ( 255 ) .
寄存器的数据类型为VARCHAR(255)。
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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。
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As an example , the DB2 data type VARCHAR does not exist in Java .
例如,DB2数据类型VARCHAR在Java中不存在。
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Connection group names support any valid value of type VARCHAR in the underlying repository database .
连接组名称可以是底层存储库数据库允许的任何VARCHAR类型的值。
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DB2 array data types yielded significantly higher performance compared to varchar representations of arrays .
与阵列的varchar表示相比,DB2阵列数据类型具有显著的高性能。
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The length of a VARCHAR ( n ) index is a hard constraint .
VARCHAR(n)索引的长度是一个强制约束。
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The item names are stored in an SQL VARCHAR column .
商品名称存储在一个SQLVARCHAR列中。
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This conversion improves performance when the CHAR and the VARCHAR types are present in one table .
当在同一张表中同时存在CHAR和VARCHAR类型时,这一转换会提高性能。
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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VARCHARFORBITDATA对待。
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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。
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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)。
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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。
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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。
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Using VARCHAR for bit data allows DB2 to perform better when working with the records in this table .
使用VARCHARforbitdata可以使DB2在处理此表中的记录时执行得更好。
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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。
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In this case , the customer 's status is captured in an SQL VARCHAR column .
在这个例子中,客户的状态可在SQLVARCHAR列中捕捉。
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This parameter is case-sensitive and has a data type of VARCHAR ( 128 ) .
这个参数大小写敏感,数据类型为VARCHAR(128)。
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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。
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Varchar columns will become text inputs , booleans map onto HTML checkboxes , etc.
varchar列会变成文本输入,boolean型变量会映射成HTML的复选框等等。
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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。
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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。
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Additional information is logged for long varchar and LOB fields in a database enabled for roll-forward recovery .
对于为了前滚恢复而在数据库中启用longvarchar和LOB字段这样的附加信息,也会记录在日志中。
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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。
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You can choose to make the underlying storage a CLOB column , a VARCHAR column , or files within the file system .
您可选择将CLOB列、VARCHAR列或文件系统内的文件用作基础存储。
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Similarly , the create index statement for a VARCHAR ( n ) index fails if a value larger than n is encountered .
同样,如果索引元素或属性的值大于n,则VARCHAR(n)索引的createindex语句将失败。
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LOB and LONG VARCHAR data fields will not typically benefit from direct I / O and will continue to use the file cache .
LOB和LONGVARCHAR数据字段通常不能从直接I/O受益,因此将继续使用文件缓存。
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We also specify that the function will return a VARCHAR ( 42 ), which is large enough to hold the concatenated address attributes .
并指定该函数返回一个足以保留连接的地址属性的VARCHAR(42)。
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Common problems it can fix include replacing text columns with varChar ( max ) and converting user-defined types to their base types .
向导能修复的一些常见问题有:使用varChar(max)替换text列、将用户自定义类型转换为基类型等。
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For the sake of simplicity , consider VARCHAR as the default type for every column that is not a primary or a foreign key .
为了简单起见,考虑把VARCHAR作为除主键和外键外的所有列的默认类型。
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For a CHARACTER or VARCHAR field , you can also specify the LENGTH this time only in bytes of course with a default value of10 .
对于CHARACTER或VARCHAR字段,还可以指定LENGTH默认值为10&当然,这里只能以字节表示。