tuple是什么意思   tuple怎么读

英式:[tʌpl]    美式:[tʌpl]

tuple单词基本解析:

n.元组,数组
n. 元组, 数组, 重数
n.元组,数组;

tuple变化用词:



tuple英英释义:

TupleIn mathematics, computer science, linguistics, and philosophy, a tuple is an ordered list of elements. In set theory, an (ordered) n-tuple is a sequence (or ordered list) of n elements, where n is a non-negative integer.

以上来源于:Wikipedia

tuple中文词源:

tuple用法和例句:

tuple


- :pgstattuple judges a tuple is "dead" if HeapTupleSatisfiesNow returns false.

+ :如果 HeapTupleSatisfiesNow 返回假,则 pgstattuple 判断一个元组是“死”的。


- A delete does not actually remove the tuple but only sets its stop_date to current time.

+ 一个删除动作实际上并不删除元组,只是把它的 stop_date 设置为当前时间。


- For a modifiable row, on update only the stop_date in the tuple being updated will be changed (to current time) and a new tuple with the modified data will be inserted.

+ 对于可修改的行,只是在更新的时候,被更新的元组中的 stop_date 会改变(为当前时间)然后会插入一个新的带着修改后的数据的元组。


* Line 10-12: sizeForString() must return a tuple with the first element being a unit and the second the value.


第10-12行:sizeForString() 必须以第一个元素是单位(unit)和第二个是值(value)返回一个元组。


The Filter function evaluates the specified logical expression against each tuple in the specified set.

Filter函数对指定集中的每个元组计算指定的逻辑表达式。


The for statement is used to iterate over the elements of a sequence (such as a string, tuple or list) or other iterable object

for语句用于迭代有序类型或其它可迭代对象的元素(像串,元组或列表)


Group() can be passed multiple group numbers at a time, in which case it will return a tuple containing the corresponding values for those groups.

group()可以一次输入多个组号,在这种情况下它将返回一个包含那些组所对应值的元组。


Tuple ID propagation

ID传播


The Item function returns a tuple from the specified set.

Item函数返回指定集中的元组。


numerical tuple

n. 数组


finite tuple

n. 有限元组


n tuple

n元组 n组


n-prime tuple

n素元组


The StrToTuple function is typically used with user-defined functions to return a tuple specification from an external function back to an MDX statement.

StrToTuple函数通常与用户定义函数一起使用,以将外部函数中的元组规范返回到MDX语句。


Tuple spaces

Tuple空间


A tuple consists of a number of values separated by commas, for instance

一个元组由数个逗号分隔的值组成,例如


5.A list can be changed after it is constructed (we say that it is mutable), whereas a tuple cannot be changed (immutable).

一个列表创建之后可以被改变(我们说它是不定的),然而一个元组不能被改变(固定的)。


An expression list containing at least one comma yields a tuple.The length of the tuple is the number of expressions in the list.The expressions are evaluated from left to right.

一个表达式表是一个包括至少一个逗号的元组,它的长是表中表达式的个数.其中表达式从左到右按顺序计算.


SQL based random algorithm to abstract tuple set

一种基于SQL的元组集随机抽取算法


tree tuple

不完全树元组


4 Bytes: pointer on page to tuple

两个整数字段,每个4字节


concatenated tuple

串接元组


two - tuple

二元语义


*Horizontal is the best in the case that - More selections than projections and joins, and performs more tuple modifications or tuple deletions than tuple insertions.

从一个关系中选择一个元组:查找索引表,返回元组的逻辑地址;将逻辑地址转换为物理地址;读出元组中的每个属性。


When you explicitly specify a member in a tuple from more than one dimension, you must include the entire tuple in parentheses.

从多个维度显式指定元组中的成员时,必须将整个元组包含在括号中。


Returns the one-based rank of a tuple in a set.

以一为基返回元组在集合中的阶。


Returns the one-based rank of a specified tuple in a specified set.

以一为基返回指定的元组在指定集合中的阶。


However, the cell must be aggregated with the Sum aggregate function and must not include a calculated member in the tuple that is used to identify the cell.

但是,该单元必须用Sum聚合函数进行聚合,并且在用于标识该单元的元组中不得包含计算成员。


A sequence like this will often be written either in square brackets [1, 2, 3, 4] (called a list) or in parentheses (1, 2, 3, 4) (a tuple).

像这样的序列常常被放在中括号里[1,2,3,4](叫做一个列表)或者在圆括号里(1,2,3,4)(一个元组)。


The tuple (object_id) is the key of the relation.

元组(object_id)是关系键。


The member of an attribute hierarchy in a tuple is also affected by relationships that are defined between attributes within a dimension.

元组中属性层次结构的成员还受维度中定义的属性之间的关系影响。


Tuple as a class attribute.

元组作为类属性。


tuple value

元组值


tuple relational calculus

元组关系演算


tuple function

元组函数


tuple variable

元组变量


Tuples, like strings, are immutable: it is not possible to assign to the individual items of a tuple (you can simulate much of the same effect with slicing and concatenation, though).

元组就像字符串,不可改变:不能给元组的一个独立的元素赋值(尽管你可以通过联接和切片来模仿)。


TID n. (tuple identifier)

元组标识符


tuple calculus

元组演算, 元组运算


tuple calculus language

元组演算语言


The third element of the tuple is a user-defined name for the Access Object, and is called the Value. A Value cannot contain spaces (however, a Section can).

元组的第三个元素叫值,是用户定义的权限对象名称,值中不能包含空格(而节可以)。


The third element of the tuple is a user-defined name for the Access Object, and is called the Value . A Value cannot contain spaces (however, a Section can).

元组的第三个元素叫值,是用户定义的权限对象名称,值中不能包含空格(而节可以)。


The second element of the tuple, called the Section, is a user-defined string which names the general category of the Access Object.

元组的第二个元素叫节,它是由用户定义的命名权限对象通用类的字符串。


tuple space

元组空间


tuple space search

元组空间搜索


tuple structured data

元组结构数据


tuple clustering

元组群集


The cell specified by the tuple expression can be any valid cell in the multidimensional space (that is, the cell does not have to be a leaf cell).

元组表达式指定的单元可以是多维空间中的任意有效单元(即该单元不一定是叶单元)。


tuple length

元组长度


tuple random placement

元组随机替换


tuple set

元组集合


Teaching reform of introduction to using quantification and realization of implication in the mathematical calculations performed tuple relationship and SQL

关系演算和SQL中使用量词和实现蕴涵的教学方法探讨


conjunction tuple sets

关联元组集合


Decentralized tuple space

分散式元组空间


Listed in the tuple should be two or more other validity classes; as with

列在元组中的应该是两个或更多其它有效性类;与


dynamic tuple model

动态元组模型


dynamic numeric tuple

动态数组


unique tuple

单元组


pre]group() can be passed multiple group numbers at atime, in which case it will return a tuple containing the correspondingvalues for those groups.

可以一次输入多个组号,在这种情况下它将返回一个包含那些组所对应值的元组。


When defining a tuple in an MDX query or expression, you do not need to explicitly include the attribute member from every attribute hierarchy.

在MDX查询或表达式中定义元组时,不必显式包含每个属性层次结构中的属性成员。


bits in a tuple and 2's are mapping.

在一个元组和2年代的一点点正在映射。


A single expression without a trailing comma doesn't create a tuple, but rather yields the value of that expression. (To create an empty tuple, use an empty pair of parentheses: ().

在其它情况下,它是可选的.一个没有后缀逗号的表达式不会创建元组,但仍会计算该表达式的值.(可以使用一对空括号()创建一个空元组).


In practical applications,there is a class of relations in which the value of a tuple at an attribute is a relation.

在实际应用中有这样一类关系数据库,其中数据项在某个属性上的取值本身又是一个关系。


In the slicer axis syntax shown, Set_Expression can take either a tuple expression, which is treated as a set for the purposes of evaluating the clause, or a set expression.

在所示的切片器轴语法中,可以向Set_Expression传递元组表达式(被视为集以便对子句求值)或集表达式。


they may be input with or without surrounding parentheses, although often parentheses are necessary anyway (if the tuple is part of a larger expression).

在输入时可能有或没有括号都可以,不过经常括号都是必须的(如果元组是一个更大的表达式的一部分)。


Packet classification algorithm in big rule database based on tuple folded vector

基于元组向量折叠的大规模规则库包分类算法


A Detection Algorithm for Rule Set Conflicts Based on Tuple Space Search

基于元组空间搜索的规则集冲突检测算法


Research and Application of Tuple Space-based Distributed Computing Environment

基于元组空间模型的分布式计算环境的研究与应用


The Analysis and Implementation of Tuple Space Based Agent Coordination

基于元组空间的Agent协作模型的分析与实现


Tuple space based grid workflow scheduling mechanism

基于元组空间的网格工作流调度机制


If one is found, a ForbiddenTags error is raised attaching the faulty value and the tuple of forbidden tags to the exception.

如果一个被发现,一个禁止标记错误异常将会连着失败值和禁止标记的元组一起被引发。


If a set expression is specified, MDX will try to evaluate the set, aggregating the result cells in every tuple along the set.

如果指定了集表达式,则MDX通过将结果单元聚合到集的每个元组中,尝试对该集求值。


If a full set of coordinates is not specified for the tuple, the unspecified coordinates will use the default member of the hierarchy.

如果未为元组指定所有坐标,未指定的坐标将使用层次结构的默认成员。


The function returns a set that consists of each tuple in the specified set where the logical expression evaluates to true.

如果逻辑表达式计算结果为true,该函数将返回由指定集中的每个元组构成的集。


The tuple "(Access Object type, Section, Value)" uniquely identifies any Access Object.

它是用元组(权限对象类型,节,值)的形式来唯一标识权限对象的。


In effect, the Filter function executes IIf(Logical_Expression, Set_Expression.Current, NULL) on each tuple in the set, and returns the resulting set.

实际上,Filter函数是对集中的每个元组执行IIf(Logical_Expression,Set_Expression.Current,NULL),然后返回所得到的集。


Drillthrough is not supported for cell sets that have more than one tuple

对于具有多个元组的单元集,钻取不受支持


Tuple drilldown is an extension of OLE DB, and it returns a set of tuples instead of members.

对元组的深化是一种OLE DB扩展,这种深化将返回元组集而非成员集。


labeled array tuple

带标号数组多元组


labeled structure tuple

带标号结构多元组

用作名词(n.)

Each tuple is a vector of members.
每个元组是一个成员向量。

This statement lets you update a tuple with a specific value.
此语句允许您用特定值更新元组。