皮皮学，免费搜题
登录
搜题
【简答题】
已知某数据库表 KC.DBF 含有 4 个字段, 80 条记录。 若其中有一个名为 kcdh 的字段,则可用下列 SQL 命令查询 kcdh 字段值为“ 01 ” 的所有记录,且要求输出所有字段,输出结果保存在 T1.DBF 中。 Select From kczy; Where ; Table T1 若针对 kc 表,执行下列查询命令: Select Count(*) as 课程门数 From kc 则查询得到的记录数为 。
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】你真棒!你真了不起! (短语,不用打标点)
【简答题】You may also feel _____________ by the wealth of courses available.
【简答题】You may feel curious about students in other countries: Do they also have so much homework? What do they do in their free time? On April 8, a report came out on the lives of school students in China, ...
【简答题】阅读理解。 YOU may feel curious about students in other countries: Do they also have so much homework? What do they do in their spare time? On April 8, a report came out on the lives of high school student...
【简答题】你真棒!你真了不起
【简答题】You may feel curious (好奇的) about students in other countries: Do they also have so much homework? What do they do in their spare time? On April 8, a report came out on the lives of high school student...
相关题目：