Which of the following emphasizes the various components of communication including a sender／receiver, message, channel, and context（)

A . CREATE TABLE EMP (empno NUMBER(4), ename VARCNAR2(35), deptno NUMBER(7,2) NOT NULL CONSTRAINT emp_deptno_fk FOREIGN KEY deptno REFERENCES dept deptno); B . CREATE TABLE EMP (empno NUMBER(4), ename VARCNAR2(35), deptno NUMBER(7,2) CONSTRAINT emp_deptno_fk REFERENCES dept (deptno)); C . CREATE TABLE EMP (empno NUMBER(4) ename VARCHAR2(35), deptno NUMBER(7,2) NOT NULL, CONSTRAINT emp_deptno_fk REFERENCES dept (deptno) FOREIGN KEY (deptno)); D . CREATE TABLE EMP (empno NUMBER(4), ename VARCNAR2(35), deptno NUMBER(7,2) FOREIGN KEY CONSTRAINT emp deptno fk REFERENCES dept (deptno))

A . CREATE TABLE EMP (empno NUMBER(4), ename VARCHAR2(35), deptno NUMBER(7,2) NOT NULL, CONSTRAINT emp_deptno_fk FOREIGN KEY deptno REFERENCES dept deptno); B . CREATE TABLE EMP (empno NUMBER(4), ename VARCHAR2(35), deptno NUMBER(7,2) CONSTRAINT emp_deptno_fk REFERENCES dept (deptno)); C . CREATE TABLE EMP (empno NUMBER(4), ename VARCHAR2(35), deptno NUMBER(7,2) NOT NULL, CONSTRAINT emp_deptno_fk REFERENCES dept (deptno) FOREIGN KEY (deptno)); D . CREATE TABLE EMP (empno NUMBER(4), ename VARCHAR2(35), deptno NUMBER(7,2) FOREIGN KEY CONSTRAINT emp_deptno_fk REFERENCES dept (deptno))

A . The FLASHBACK TABLE statement will not be written to the alert log file. B . The changes made to the EMP table since the specified time will be undone. C . The EMP table that was dropped by mistake from the database will be restored. D . The FLASHBACK TABLE statement will be executed within a single transaction. E . The FLASHBACK TABLE statement will not maintain the existing indexes on the EMP table.  F . The list of transactions that have modified the EMP table since the specified time will be displayed.

A . Fourteen servers per rack likeBladeCenter B . Two servers per rack for optimal cooling cost C . One server per rack for optimal cooling and energy efficiency D . Four servers per rack （twoexach half high） for optimal cooling

A .  when the schema of the user， SCOTT， was deleted by mistake 15 minutes ago B .  when the table EMP of the SCOTT schema was dropped by mistake 15 minutes ago C .  when some rows of the table， EMP， in the SCOTT schema were deleted by mistake 15 minutes ago D .  when some incorrect values were inserted in the EMP table in the user Scott’s schema during the last 15 minutes E .  never， because FLASHBACK TABLE is not a valid command in Oracle 10g.

A .https://assets.asklib.com/images/image2/2018080115165365786.jpg B .https://assets.asklib.com/images/image2/2018080115165818527.jpg C .https://assets.asklib.com/images/image2/2018080115170192388.jpg D .https://assets.asklib.com/images/image2/2018080115170459610.jpg

A . User initiated edit document command B . Silent navigation from an edited page C . User initiated save command D . Removal of a locked for editing statu

A .  The FLASHBACK TABLE statement will not be written to the alert log file. B .  The EMP table that was dropped by mistake from the database will be restored. C .  The changes made to the EMP table since the specified time will be undone. D .  The FLASHBACK TABLE statement will not maintain the existing indexes on the EMP table. E .  The FLASHBACK TABLE statement will be executed within a single transaction. F .  The list of transactions that have modified the EMP table since the specified time will be displayed.

A．Fingerprints and Their Use B．Policemen and Fingerprints C．Fingerprints Are Useful Evidence D．Fingerprints Identify Criminals without Mistake

A．Heart Disease B．Depression and Fatality Rate C．Depression D．Depression Hurts the Heart