For which action can you use the TO_DATE function? ()
A. Convert any date literal to a date
B. Convert any numeric literal to a date
Convert any character literal to a date
D. Convert any date to a character literal
E. Format '10-JAN-99' to 'January 10 1999'
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以下不是逻辑回归中检验回归模型有效性的指标有()。
A. IV值
B. concordance
C. ranking order
D. Gini
对加油车导静电线进行检测时,导静电线缠绕在一起进行测量。
A. 正确
B. 错误