tuples
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例句
You use the for clauses to specify a set of Cartesian tuples on which the rest of the expression will be evaluated, shown in Listing 1.
如清单1所示，使用for子句来指定一组笛卡尔元组，表达式的其余部分将对该元组求值。
The Head function returns the specified number of tuples from the beginning of the specified set.
Head函数从指定集的开始处返回指定的元组数目。
This output is emitted as a file of tuples, representing the word and the number of times it appeared in the input.
输出是一个包含元组的文件，元组表示单词和它在输入中出现的次数。
Performs a string operation that concatenates two or more character strings, tuples, or a combination of strings and tuples.
执行一个字符串运算，连接两个或更多字符串、元组，或连接字符串和元组的组合。
A table contains a collection of rows, also referred to as records or tuples, and columns, also referred to as attributes.
表中包含行（也称为记录或元组）和列（也称为属性）的集合。
Tuples are not a game-changing feature, just another one of those "niceties" that makes Scala a powerful language to use.
元组并不是一个非常具有变革性的特性，它只不过是又一个使Scala成为强大语言的优秀特性。
Alternatively, this function also drills down on a set of tuples.
另外，此函数也可对元组集进行深化。
Alternatively, this function drills down on a set of tuples.
另外，此函数可对元组集进行深化。
The child list is more subtle: Strings can be interleaved with tuples in the list, indicating a mixed content element.
子列表更为精巧：在列表中字符串可以与元组交错，表示混合的内容元素。
Googles new datastore defines a data model that lies between the abstract tuples of an RDBMS and the concrete row-column storage of NoSQL.
Google新的数据存储定义了一种介于RDBMS抽象元组和NoSQL具体的行列存储之间的一种数据模型。
The where clause directs the program to discard particular tuples if they do not meet particular conditions.
如果特定的元组不能满足特殊条件，那么where子句命令程序废弃这些元组。
Now when a query like this is executed, the DBMS can use the functional index ucnameIndex to determine which tuples satisfy the query.
当执行这种查询时，DBMS可以使用函数索引判断哪些元组元组（tuple）满足查询。
Performance benefits are realized when an index reduces the number of rows (or tuples) examined by the DBMS during query execution.
索引可以减少DBMS在执行查询时检查的行（或元组）数量，从而获得性能增益。
The ideal value for this setting will vary on a per environment basis, however a good starting point would be 10000 tuples.
该设置的理想值会随环境而变化，不过一个好的起点是10000个元组。
This does not mean that all tuples up to 150, 000, 000 will be stored in the cache as other heuristics are also considered by the engine.
这并不意味着所有达到150,000,000的元组都将存储在缓存，因为其他探试程序也是该引擎所考虑的。
If the specified number of tuples is less than 1, the Head function returns an empty set.
如果指定的元组数目小于1，则Head函数返回空集。
For the minimum, the approach filtered possible inconsistent tuples and discarded the possible values to obtain the consistent values.
对于最小值，过滤掉可能不一致的元组，去掉可能值，得到一致性值；
A valid numeric expression that specifies the number of tuples to be returned.
指定要返回的元组数目的有效数值表达式。
If the number of tuples, calculated by using the Cartesian product, exceeds the set threshold; the NON EMPTY clause is applied to the query.
如果通过使用Cartesian产品计算的元组数超过设定的阈值，将NONEMPTY子句应用于查询。
You can declare tuples with the const qualifier, in which case the get call to access a particular element returns a reference to const.
可以使用const限定符来声明元组，在这种情况下，用于访问特定元素的get调用将返回对const的引用。
Note the extractor used here to sum the tuples: the @count extractor to grab the number of lengths captured (packet counts).
注意，这里使用提取器来相加元组：@count提取器获取捕获到的长度（包计数）。
Sorts a set in ascending order, and returns the specified number of tuples in the specified set with the lowest values.
按升序对集进行排序，并返回指定集中具有最小值的指定数目的元组。
A set is an ordered set of tuples with the same dimensionality .
集是具有相同维数的有序元组集。
If the specified number of tuples exceeds the number of tuples in the set, the function returns the original set.
如果指定的元组数目超过了集中的元组数目，则此函数返回原始集。
XML's structure was applied to express the aggregation relationship between tuples in data cubes.
用XML本身的层次结构来体现数据仓库中元组之间的聚集关系。
This dissertation presents a method on extracting bilingual translation tuples from a comparable corpus.
本文提出的从大规模网页中抽取双语翻译对的方法是基于可比较语料的。
Conceptually, rows of relational data (tuples) flow through the operation nodes in the query plan from bottom to top.
从概念上来说，关系数据行（元组）按照自下向上的方式流过查询计划中的操作节点。
Sorts a set in ascending order, and returns the specified number of tuples with the lowest values.
按升序对集进行排序，并返回指定数目的最小值元组。
Tuples are a composite data type and are used to store collections of items.
元组是复合的数据类型，用于存储数据项的集合。
Like lists and tuples , the process is a bit more complex than it is for numbers and strings.
与列表和元组一样，这个过程比数字和字符串的比较更复杂些。
Table functions declare variable sets and employ a procedure body and cursor to access tables, iterative output tuples.
表函数声明变量集合，使用过程体和游标循环访问表，迭代输出元组。
No specialized Python classes are used in the representation -- just tuples, dicts, lists, and strings (and None in the reserved position).
表示中没有使用专门的Python类——只使用了元组、字典、列表和字符串（以及保留位置上的None）。
The resulting list of RIDs contains exactly those tuples that will join, which makes the join efficient.
由此产生的RID列表正好包含那些将要连接的元组，这就使得连接更加有效。
The operators work by comparing each individual element of the two participating tuples from left to right (see Listing 6).
这些运算符的工作原理是从左到右地比较两个参与元组的每个单独的元素（请参见清单6）。
Returns a set of tuples from extracted hierarchy elements.
返回由提取的层次结构元素中的元组构成的集。
Returns the number of distinct, nonempty tuples in a set.
返回集中非重复的非空元组的数目。
For each tuple in the specified set, the members of the specified hierarchies are extracted into new tuples in the result set.
对于指定集中的每个元组，将指定层次结构的成员提取到结果集中的新元组。
What makes dictionaries different from sequence type containers like lists and tuples is the way the data are stored and accessed.
字典类型和序列类型容器类（列表、元组）的区别是存储和访问数据的方式不同。
Sometimes a query can be satisfied by examining the index only, without fetching any tuples from the table.
有时，仅通过搜索索引即可完成查询，而不需要从表中取回任何元组（tuple）。
For more information about member names and member keys, see Working with Members, Tuples, and Sets (MDX).
有关成员名称和成员键的详细信息，请参阅使用成员、元组和集（MDX）。
