A、drop user scott;
B、drop user scott include constents;
C、drop user scott cascade
D、drop user scott include datafiles;
答案：C
A、drop user scott;
B、drop user scott include constents;
C、drop user scott cascade
D、drop user scott include datafiles;
答案：C
A. 选择
B. 笛卡尔积
C. 并
D. 差
A. 结束程序
B. 返回系统
C. 提交事务
D. 存储数据
A. select seq.ROWNUM from dual;
B. select seq.ROWID from dual;
C. select seq.CURRVAL from dual;
D. select seq.NEXTVAL from dual;
A. 触发器
B. 函数
C. 过程
D. 包
A. TEMP
B. BIGFILE
C. TEMPORARY
D. EXTENTMANAGEMENTLOCAL
A. 运行软硬件环境准备、业务系统部署、数据初始化
B. 运行软硬件环境准备、业务系统部署、业务数据的归档
C. 数据初始化、业务系统部署、业务数据的归档
D. 运行软硬件环境准备、业务系统部署、业务数据的归档
A. DBL
B. DDL
C. DML
D. DCL
A. 安全措施
B. 技术措施
C. 组织措施
D. 反事故措施
A. format D:/fs:ntfs
B. convert D:/fs:ntfs
C. dcpromo D:/fs:ntfs
D. 以上都对
A. Ctrl+C
B. Ctrl+F
C. Ctrl+B
D. Ctrl+D
