Ingres空间操作符是对上述空间类型与自定义空间 数据类型的操作,主要包括相等运算符(Equality Operators) 、二值空间操作运算符(Binary Spatial Operators)、Nbr 函数(Nbr functions)和Hilbert 函数。
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... 关系运算符(Relational operators) 等式运算符(Equality operators) 缩减运算符(Reduction operators) ...
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... multiplication operator(*) 乘法运算符 equality operators 相等运算符 multiprocessor 多处理器 ...
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Refgence type Equality Operators 引用类型相等操作符
String Equality Operators 字符串相等操作符
Delegate Equality Operators 委托相等操作符
If your programming language supports operator overloading, you should also provide an implementation of the equality and inequality operators.
如果编程语言支持运算符重载,则还应提供等号和不等号运算符的实现。
Incidentally, XSLT 2.0 provides some operators that make detection of node order or node equality more convenient.
顺便说一下,XSLT 2.0提供了一些运算符可以更方便地检查节点顺序或者节点相等。
And the cardinality is corrected at the RIDSCN and FETCH operators, which accounts for the statistical correlation between the in and equality predicates.
而且RIDSCN和fetch操作符的基数也被更正了,这样就可以说明in谓词和等式谓词间的统计关联。
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