You can perform a number of different Boolean operations within a WHERE clause.
可以在where子句中执行许多不同的布尔操作。
They are compact for most data, have fast lookup, and allow fast Boolean operations.
它可以压缩大部分数据，可以快速查找，而且支持快速的boolean操作。
But by using the DEXEL based on modeling system and Boolean operations, it becomes easy.
在提出的基于DEXEL体造型系统中，通过布尔运算可很容易设计这些复杂结构。
Boolean operations for conjunction (and), disjunction (or), and exclusion (NOT) of search terms.
布尔操作用于搜索词的合并(AND)、分离(OR)和排斥(NOT)。
One element conspicuously missing from the set of Boolean operations is that of Exclusive-OR.
一个因素显眼缺少一套布尔运算是异或。
Table 1 lists and provides examples of the basic SQL Boolean operations that you can use in a query.
表1列出并提供了可以用于查询中的基本sql布尔操作的示例。
There define the Boolean operations for Boolean algebra of two and four elements, respectively.
这里分别定义了具有两个和四个元素的布尔代数的布尔运算。
This method is applicable for recognizing the features which can be determined by the Boolean operations of some factors.
该方法适用于判断由多个因素的布尔关系决定的特征。
The theories of Boolean operations union, intersection and subtraction operation in the com puter arts design are discussed.
讨论布尔运算的并集、交集、差集运算原理在电脑美术设计中的应用。
Under the same three directions DEXEL space, Boolean operations such as union, intersection, and subtraction are implemented.
在同一三向DEXEL模型空间，实现并、交、差布尔运算。
This thesis studies two aspects: the Boolean operations on point models and the fusion; grid-based model of discrete surface fusion method.
本文主要研究了两方面内容：基于点模型的布尔运算及其融合方法；基于网格模型的离散曲面融合方法。
Search strategies include single and multiple character wildcard searches, fuzzy and proximity searches, and AND, OR and NOT Boolean operations.
搜索策略包括单个和多个字符通配符搜索、模糊和近似搜索以及AND、OR 和NOT Boolean 操作。
We know that curves can be approached by mini line-segments, so the Boolean operations between almost all regions can be implemented by this algorithm.
由于曲线边界可以由小线段组成的多边形来逼近，所以通过本算法，我们还可以实现任何边界区域间的布尔操作。
The methods to structure the BDDs of outputs are discussed, and two different kinds of algorithms dealing with the boolean operations between BDDs are discussed.
讨论了构造输出函数的二叉判定图BDD的不同方法，并分析了BDD间布尔操作的不同的算法的异同；
DB2 UDB does not have native support for bit or Boolean data types, neither for bitwise operation nor for Boolean algebra operations.
DB 2UDB没有为位数据类型或布尔数据类型提供本机支持，它既不支持逐位操作，也不支持布尔代数操作。
Many programs utilize Boolean expressions, and Python provides the full range of Boolean comparison and logical operations, as detailed in tables 1 and 2, respectively.
很多程序利用布尔表达式，Python提供一整套布尔比较和逻辑运算，详细信息请分别参见表1 和表2。
DB2 Net search Extender provides a flexible query language to find relevant information based on complex retrieval operations involving Boolean combination, wildcard, and fuzzy search, for example.
DB 2NetSearchExtender提供了一种灵活的查询语言，可以根据复杂的获取操作(例如涉及布尔组合、通配符和模糊搜索)寻找相关信息。
The operations for LSI mask artwork play an important role in the mask artwork analysis and verification software. The core in these operations is the boolean operation and topological analysis.
LSI掩模图形的运算在版图分析和校验软件中占有重要的地位，而其中最核心的图形运算是布尔运算和拓扑分析。
The final solids of strata are represented by polygonal boundary representations, which are constructed by Boolean set operations.
地层实体用多面体的边界表示法来表示，由布尔集合运算来获得。
To convert a Boolean expression to a gate circuit, evaluate the expression using standard order of operations: multiplication before addition, and operations within parentheses before anything else.
要转换一个布尔表示式成选通电路，评估表示使用操作标准顺序：传统的增殖加法和操作在括号之内且在别的之前。
Operations on Boolean values are similar to operations on integer values.
布尔值的操作类似于操作整数值。
The paper is of certain significance to improve the four fundamental operations theory of Boolean algebra.
本文的工作对进一步完善布尔代数的四则运算理论具有一定的意义。
This paper proposes a new approach to robust polyhedral Boolean set operations.
提出一种可靠的多面体布尔集合运算方案。
The second-order Boolean difference was obtained by double transform operations to produce new product items, and the same product items were deleted.
二阶布尔差分通过两次变换产生新积项，并删除相同积项来得到。
The subsequent expressions, however, produce Boolean values using relational comparisons, then use logical operations on the results.
然而，后续的表达式利用关系比较生成布尔值，然后对结果进行逻辑运算。
Boolean SUBTRACTION, DIVISION and NOT operations make up a complete set.
布尔减、布尔除与非运算构成完备集。
Boolean SUBTRACTION, DIVISION and NOT operations make up a complete set.
布尔减、布尔除与非运算构成完备集。
应用推荐