单选题You are currently located in Singapore and have connected to a remote database in Chicago. You issue the following command:SQL SELECT ROUND (SYSDATE-promo_begin_date, 0) FROM promotions WHERE (SYSDATE-promo_begin_date)/365 2;PROMOTIONS is the public synonym for the public database link for the PROMOTIONS table. What is the outcome?（）Aan error because the ROUND function specified is invalid Ban error because the WHERE condition specified is invalid Cnumber of days since the promo started based on the current Chicago date and time Dnumber of days since the promo started based on the current Singapore date and time
单选题
You are currently located in Singapore and have connected to a remote database in Chicago. You issue the following command:SQL> SELECT ROUND (SYSDATE-promo_begin_date, 0) FROM promotions WHERE (SYSDATE-promo_begin_date)/365 >2;PROMOTIONS is the public synonym for the public database link for the PROMOTIONS table. What is the outcome?（）
A
an error because the ROUND function specified is invalid
B
an error because the WHERE condition specified is invalid
C
number of days since the promo started based on the current Chicago date and time
D
number of days since the promo started based on the current Singapore date and time
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