若要将“s_c_info”表中所有学生的成绩“score”加5分,则正确的SQL语句是()
A:UPDATE s_c_info SET score=5
B:UPDATE s_c_info SET score=score+5
C:UPDATE FROM s_c_info SET score=5
D:UPDATE FROM s_c_info SET score=score+5
出自:计算机科学