A.select*from dual; B.set define C.update emp set ename=6543where ename=‘SMITHERS’; D.create table employees(empid varchar2(10)primary key);
A.并行計算 B.網(wǎng)格運算 C.云計算 D.效用計算
A.數(shù)據(jù)倉庫(DB) B.磁盤陣列(RAID) C.排隊機 D.固態(tài)硬盤(SSD)