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Which two statements are true regarding the USING clause in 

题目
多选题
Which two statements are true regarding the USING clause in table joins?（）
A

It can be used to join a maximum of three tables

B

It can be used to restrict the number of columns used in a NATURAL join

C

It can be used to access data from tables through equijoins as well as nonequijoins

D

It can be used to join tables that have columns with the same name and compatible data types

参考答案和解析
正确答案： B,A
解析： 暂无解析
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Which two statements are true regarding L2TP? ()(Choose two.)

A. Tunnels are initiated by the LAC

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D. By default, subscriber authentication occurs on the LAC


参考答案：A, C

第2题：

Which two statements are true regarding the USING clause in table joins?（）

  • A、It can be used to join a maximum of three tables 
  • B、It can be used to restrict the number of columns used in a NATURAL join 
  • C、It can be used to access data from tables through equijoins as well as nonequijoins 
  • D、It can be used to join tables that have columns with the same name and compatible data types

正确答案:B,D

第3题：

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第4题：

Which two statements are true regarding high-availability chassis clustering？（）

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Which two statements are true regarding the starting of the database instance using the following command?（） SQL>STARTUP UPGRADE

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Which of the following statements is true regarding the VERSIONS BETWEEN clause？（）  

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Which two statements about views are true? （）

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Which two statements are true regarding L2TP? （）(Choose two.)

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