已知表xk(sno,cno,grade),创建规则，限定grade的范围在0-100之间,其正确语句为（） A: create rule gradeRuleas @grade between 0 and 100 B: create gradeRuleas @grade between 0 and 100 C: create rule gradeRuleas grade between 0 and 100 D: create gradeRuleas grade between 0 and 100

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2022-06-16 问题

已知表xk(sno,cno,grade),创建规则，限定grade的范围在0-100之间,其正确语句为（） A: create rule gradeRuleas @grade between 0 and 100 B: create gradeRuleas @grade between 0 and 100 C: create rule gradeRuleas grade between 0 and 100 D: create gradeRuleas grade between 0 and 100

已知表xk(sno,cno,grade),创建规则，限定grade的范围在0-100之间,其正确语句为（ ） A: create rule gradeRuleas @grade between 0 and 100 B: create gradeRuleas @grade between 0 and 100 C: create rule gradeRuleas grade between 0 and 100 D: create gradeRuleas grade between 0 and 100

已知表xk(sno,cno,grade),创建规则，限定grade的范围在0-100之间,其正确语句为（） A: create rule gradeRuleas @grade between 0 and 100 B: create gradeRuleas @grade between 0 and 100 C: create rule gradeRuleas grade between 0 and 100 D: create gradeRuleas grade between 0 and 100