题目内容

下面声明一个名为cursor_student的游标,语法格式正确的是

A. CURSOR cursor_student OF select s_name,s_gender FROM student;
B. CURSOR cursor_student FOR select s_name,s_gender FROM student;
C. DECLARE cursor_student CURSOR FOR select s_name,s_gender FROM student;
DECLARE cursor_student CURSOR OF select s_name,s_gender FROM student;

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A. 对
B. 错