问一个关于SQL的问题。
Given the table COUNTRY and the statements below:
COUNTRY
ID NAME PERSON_ID CITIES
1 Argentina 1 10
2 Canada 2 20
3 Cuba 2 10
4 Germany 1 0
5 France 7 5
DECLARE c1 CURSOR WITH HOLD FOR SELECT * FROM country ORDER BY person_id,
name
OPEN c1
FETCH c1
COMIT
FETCH c1
Which of the following is the last name obtained form the table?
A. Cuba
B. France
C. Canada
D. Germany
E. Argentina
Answer: C
为什么呢???