题目内容

社会保障理论由()、()、()三大部分构成。

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下列要求与警务督察工作指导方针不相符合的是。()

A. 立足建设
B. 强化监督
C. 纠防并举
D. 事后查处

You created the DEPT table by using the following command: CREATE TABLE scott.dept (deptno NUMBER(3), dname VARCHAR2(15), loc VARCHAR2(15) ) STORAGE (INITIAL 100K NEXT 50K MAXEXTENTS 10 PCTINCREASE 5 FREELIST GROUPS 6 FREELISTS 4);You are required to shrink the DEPT table. While performing the shrink operation, you want to ensure that the recovered space is returned to the tablespace in which the DEPT table is stored. You do not want to shrink the indexes created on the DEPT table. What will you do to shrink the SCOTT.EMP table?()

A. Issue the ALTER TABLE SCOTDEPT SHRINK SPACE COMPACT; statement.
B. Issue the ALTER TABLE SCOTDEPT SHRINK SPACE; statement.
C. Issue the ALTER TABLE SCOTDEPT SHRINK SPACE CASCADE; statement.
D. You cannot shrink the SCOTEMP table.

试用期最长不得超过()

A. 一个月
B. 三个月
C. 六个月
D. 一年

下列设备中,不属于手持设备的是()。

A. 笔记本电脑
B. 商务通
C. PDA
D. 第3代手机

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