A. It is built by Automatic Tuning Optimizer.
B. It cannot be stored persistently in the data dictionary.
C. It can be used by the query optimizer automatically.
D. It can be created manually by using the CREATE PROFILE command.
第1题:
下列复选框构造方法,错误的是 ( )
A.setLayout(new GridLayout(3,1));
B.add(new Checkbox("one",null,true));
C.add(new Checkbox("two"));
D.add(new Checkbox("one",true));
第2题:
A.SQL*Plus
B.OracleNet
C.Two-TaskCommon(TTC)
D.OracleProtocolSupport(OPS)
第3题:
第4题:
下列复选框构造方法,错误的是()。
A.setLayout(newGridLayout(3,1));
B.add(newCheckbox("one",null,true));
C.add(newCheckbox("tWO");
D.add(newCheckbox("one",true);
第5题:
第6题:
【单选题】利用cp命令复制系统文件/etc/profile到当前目录下。
A.#cp /etc/profile /
B.#cp /etc/profile ./
C.#cp / /etc/profile
D.#cp ./ /etc/profile