Which three are DATETIME data types that can be used when specifying column definitions? ()A. TIMESTAMPB. INTERVAL MONTH TO DAYC. INTERVAL DAY TO SECONDD. INTERVAL YEAR TO MONTHE. TIMESTAMP WITH DATABASE TIMEZONE - 牛搜题

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题目

Which three are DATETIME data types that can be used when specifying column definitions? ()

A. TIMESTAMP

B. INTERVAL MONTH TO DAY

C. INTERVAL DAY TO SECOND

D. INTERVAL YEAR TO MONTH

E. TIMESTAMP WITH DATABASE TIMEZONE

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4.[A] which [B] that [C] what [D] when

更多“Which three are DATETIME data types that can be used when specifying column definitions? () ”相关问题

第1题：

Datetime是Data类型的变量，以下赋值语句中错误的是：______。
A． Datetime=# 4/14/97#
B．Datetime=# September 1，1997#
C．Datetime=#12:15:00 AM#
D．Datetime=“8/8/99”

正确答案：D
第2题：

[A] who [B] when [C] where [D] which

正确答案：C
第3题：

健康计划的总体目标中的三个"W"指

A.who，what，when
B.what，when，why
C.who，what，which
D.what，when，where
E.when，where，which

答案：A
解析：
总体目标的三个"W"分别指who-对象；what-实现什么变化；when-实现变化的期限。
第4题：

健康计划的总体目标中的三个"W"指
A、who，what，when
B、what，when，why
C、who，what，which
D、what，when，where
E、when，where，which

参考答案：A
第5题：

The beautiful mountain village__________ we spent our holiday last year is locatedin __________ is now part of Guangxi.

A.which ; where
B.where; what
C.that ; what
D.when ; which

答案：B
解析：
where在此充当地点状语，what既充当located in的宾语又充当is的主语，本题考查定语从句和名词性从句。mountain village在定语从句we spent our holiday last year作地点状语，故用关系副词where：第二个考查宾语从句，从句中缺少主语，故用what作主语。故选B。
第6题：

下面不是WSDL文档结构的关键要素是：（）
A．＜definitions＞
B．＜types＞
C．＜message＞
D．＜output＞

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