error in performance comparison [计] 性能比较误差
comparison error 比较误差
error of comparison 比对误差
comparison and error 比较及其误差
The new value comparison operators will report an error if either operand in the comparison contains more than one value, so using them expedites detection of the error.
如果比较的一个操作数包含多个值,新的值比较运算符将报告错误,因此使用这些运算符可以迅速有效地检测错误。
Any attempt to perform a string comparison on an employee ID will then fail with a type error at query run time.
在查询运行时,尝试在雇员ID上执行字符串比较将遭到失败,并产生一个类型错误。
Like the previous set of test operators, comparison test operators are a handy way to perform error checking or to test values against another value.
与前一组测试操作符一样,比较测试操作符是执行错误检查或根据另一个值测试值的简便方法。
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