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(jì)算 B.網(wǎng)格運(yùn)算 C.云計(jì)算 D.效用計(jì)算
A.數(shù)據(jù)倉(cāng)庫(kù)(DB) B.磁盤陣列(RAID) C.排隊(duì)機(jī) D.固態(tài)硬盤(SSD)