高等继续教育 / 数据库程序设计
正确率:100%
网络远程教育期末考试【数据库程序设计】模拟试题
有如下SQL sel_ect语句 sel_ect * FROM stock WHERE 单价 BETWEEN 12.76 AND 15.20 与该语句等价的是 。
考题选项:
sel_ect * FROM stock WHERE 单价<=15.20.AND.单价>=12.76
sel_ect * FROM stock WHERE 单价<15.20.AND.单价>12.76
sel_ect * FROM stock WHERE 单价>=15.20.AND.单价<=12.76
sel_ect * FROM stock WHERE 单价>15.20.AND.单价<12.76
有如下SQL sel_ect语句 sel_ect * FROM stock WHERE 单价 BETWEEN 12.76 AND 15.20 与该语句等价的是 。
考题选项:
sel_ect * FROM stock WHERE 单价<=15.20.AND.单价>=12.76
sel_ect * FROM stock WHERE 单价<15.20.AND.单价>12.76
sel_ect * FROM stock WHERE 单价>=15.20.AND.单价<=12.76
sel_ect * FROM stock WHERE 单价>15.20.AND.单价<12.76
参考答案: