依次填入下面横线处的句子，与上下文衔接最恰当的一项是（)。我独坐在书斋中，忘记了尘世一切不愉快

A.DataGrid；ClientandServerbased

B.Outster；ClientandServerbased

C.DataGrid；DNSbased

D.Cloudcluster；ClientandServerbased

SALARYGetz 10 3000Davis 20 1500Bill 20 2200Davis 30 5000Kochhar 5000DEPARTMENTSDEPARTMENT_ID DEPARTMENT_NAME10 Sales20 Marketing30 Accounts40 AdministrationYou want to retrieve all employees, whether or not they have matching departments in the departments table.Which query would you use?（）

A. SELECT last_name, department_name FROM employees , departments(+);

B. SELECT last_name, department_name FROM employees JOIN departments(+);

C. SELECT last_name, department_name ON (e. department_ id = d. departments_id); FROM employees(+) e JOIN departments d

D. SELECT last_name, department_name FROM employees e RIGHT OUTER JOIN departments d ON (e.department_id = d.department_id);

E. SELECT last_name, department_name FROM employees(+) , departments ON (e. department _ id = d. department _id);

F. SELECT last_name, department_name FROM employees e LEFT OUTER JOIN departments d ON (e. department _ id = d. department _id);

A.Line

B.Column

C.Bubble

D.Flowchart

E.OHLCcandlestock

A.TheDBMS_JOBpackage

B.TheBACKUP_JOBpackage

C.TheDBMS_BACKUP_RESTOREpackage

D.ThecalendartoolintheOperatingSystem（OS）

E.ThebackupschedulerinEnterpriseManager（EM）

F.TheDBMS_BACKUP_SCHEDULERpackagerinlinemode

YoucreateanewAutomaticDatabaseDiagnosticMonitor（ADDM）task：instance_analysis_mode_task.ToviewtheADDMreport，youusethefollowingcommand：SQL>SELECTdbms_addm.get_report（’my_instance_analysis_mode_task’）FROMdual；YouwanttosuppressADDMoutputrelatingtoSegmentAdvisoractionsonuserSCOTT’ssegments.Whatwouldyoudotoachievethis？（）

A.AddafindingdirectivefortheADDMtask.

B.AddasegmentdirectivefortheADDMtask.

C.AddaparameterdirectivefortheADDMtask.

D.DisabletheSegmentAdvisorfromtheAutomaticMaintenanceTask.

A. The PDB must be open in read-only mode.

B. The PDB must be in mount state.

C. The PDB must be unplugged.

D. The PDB data files are always removed from disk.

E. A dropped PDB can never be plugged back into a multitenant container database (CDB).

A.GET_RELATION_PROPERTY

B.SET_RELATION_PROPERTY

C.GET_BLOCK_PROPERTY

D.GET_FORM_PROPERTY

TheINV_HISTORYtableiscreatedusingthecommand：

SQL>CREATETABLEINV_HISTORY（inv_noNUMBER（3），inv_dateDATE，inv_amtNUMBER（10，2））partitionbyrange（inv_date）interval（numtoyminterval（1，’month’））（partitionp0

valueslessthan（to_date（’01-01-2005’，’dd-mm-yyyy’）），partitionp1valueslessthan（to_date（’01-01-2006’，’dd-mm-yyyy’）））；

ThefollowingdatahasbeeninsertedintotheINV_HISTORYtable：

INV_NOINV_DATEINV_AMT130-dec-20041000230-dec-2005200031-feb-2006300041-mar-2006400051-apr-20065000

Youwouldliketostorethedatabelongingtotheyear2006inasinglepartitionandissuethe command：

SQL>ALTERTABLEinv_historyMERGEPARTITIONS

FOR（TO_DATE（’15-feb-2006’，’dd-mon-yyyy’）），FOR（TO_DATE（’15-apr-2006’））INTOPARTITIONsys_py；

Whatwouldbetheoutcomeofthiscommand？（）

A. Parallel compilation of only the stored PL/SQL code

B. Sequential recompilation of only the stored PL/SQL code

C. Parallel recompilation of any stored PL/SQL code

D. Sequential recompilation of any stored PL/SQL code

E. Parallel recompilation of Java code

F. Sequential recompilation of Java code

A.ConcurrentMap

B.java.util.AbstractMap

C.ObservableMap

D.InvocableMap