fixed length造句
例句与造句
- Indicates whether the return type of the user - defined type is of a fixed length
指示用户定义类型的返回类型是否具有固定长度。 - Argument controls whether the function interprets strings as variable or fixed length
参数控制函数是将字符串解释为变长还是固定长度。 - First , lines in a book don t continue past the end of the page ; they have a fixed length
首先，书中的行不会延伸到页面外面，都有固定的长度。 - The union of a variable - length column and a fixed length column produces a fixed - length column
可变长度列和固定长度列的union将生成一个固定长度列。 - If these conditions can be met , then the book may be borrowed for a fixed length of time
如果这些条件能被满足，那么书籍就可以被借阅一段固定的时间。 - It's difficult to find fixed length in a sentence. 用fixed length造句挺难的
- The union of a variable - length column and a fixed length column produces a variable - length column
可变长度列和固定长度列的union将生成一个可变长度列。 - Truecolumns of this data type created by the data definition language will be of fixed length
True通过数据定义语言( ddl )创建的此数据类型的列将为固定长度。 - Defines the characteristics of a key used to access the elements of arrays of fixed length objects
定义特有的关键字用来访问基于固定长度对象的数组中的元素。 - If a record is fixed length , it never needs to be moved from the page on which it is originally stored
如果记录是固定长度的，那么就无需将其从存储它的初始页面转移到其他地方。 - The downside for variable length columns is that some operations are not as efficient as those on fixed length columns
与固定长度列相比，可变长度列的缺点是一些操作的效率不高。 - Fixed length columns always take maximum space defined by the schema , even when the actual value is empty
而固定长度列始终会占用架构定义的最大空间，即使在实际值为空时也是如此。 - When you design your tables , it helps to understand the tradeoffs of using variable length columns versus fixed length columns
在设计表时，了解使用可变长度列和使用固定长度列各有哪些利弊是非常有用的。 - These functions map binary strings of an arbitrary length to small binary strings of a fixed length , known as hash values
这些函数将任意长度的二进制字符串映射为固定长度的小二进制字符串（称为哈希值） 。 - Hash functions map binary strings of an arbitrary length to small binary strings of a fixed length , known as hash values
哈希函数将任意长度的二进制字符串映射为固定长度的小型二进制字符串（称为哈希值） 。 - Therefore , we recommend that you use fixed length columns when data lengths do not vary too much and when frequent updates are performed
因此，在数据长度变化不大并且需要频繁进行更新时，建议使用固定长度列。