在DBMS中,挖掘和改变数据库中信息的子系统是
A.数据库定义子系统
B.程序管理子系统
C.数据操作子系统
D.应用程序生成子系统
正确答案是C
扫描二维码免费使用微信小程序搜题/刷题/查看解析。
版权声明:本文由翰林刷题小程序授权发布,如需转载请注明出处。
本文链接:https://doc.20230611.cn/post/1162797.html
上一篇:Pub etiquette is designed to promote sociability in a society known for its reserve. Standing at the bar for service allows you to chat with others waiting to be served. The bar counter is possibly the only site in the British Isles in which friendly
下一篇:领导者仅凭直觉判断做出决策的方法是