QUESTION NO: 58
You are currently located in Singapore and have connected to a remote database in Chicago.
You issue the following command:
What is the outcome?
A. Number of days since the promo started based on the current Singapore data and time.
B. An error because the ROUND function specified is invalid
C. An error because the WHERE condition specified is invalid
D. Number of days since the promo started based on the current Chicago data and time
Answer: D
Explanation:
You are currently located in Singapore and have connected to a remote database in Chicago.
You issue the following command:
Exhibit:
What is the outcome?
A. Number of days since the promo started based on the current Singapore data and time.
B. An error because the ROUND function specified is invalid
C. An error because the WHERE condition specified is invalid
D. Number of days since the promo started based on the current Chicago data and time
Answer: D
Explanation:
日期-日期,返回的是天数,是一个数字,
由本地连接到远程,SYSDATE是一个 SQL 函数,它用于返回当前所连接的远程服务器上数据库的日期和时间。