填入下面横线处的句子,与上下文衔接最恰当的一项是()。 没有天敌的动物往往最先灭绝,有天敌的动物则会逐步繁衍壮大。______。汤武因为有残暴的桀纣为敌而获得了拥护者,______,最后得到了天下。换个角度讲,真正使罗马帝国灭亡的正是因为没有了强大的对手;在东方的古老秦帝国,______,可以说也是同样的原因。 ①人类社会也同样存在大自然中的这一悖论 ②大自然中的这一悖论在人类社会也同样存在 ③刘邦因为谨小慎微而打败项羽 ④刘邦因为项羽而谨小慎微 ⑤建立不久就迅速覆灭 ⑥能够强盛统一天下
A.①④⑤
B.②④⑤
C.①③⑥
D.②③⑥
第1题
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);
第2题
A.Line
B.Column
C.Bubble
D.Flowchart
E.OHLCcandlestock
第3题
A.TheDBMS_JOBpackage
B.TheBACKUP_JOBpackage
C.TheDBMS_BACKUP_RESTOREpackage
D.ThecalendartoolintheOperatingSystem(OS)
E.ThebackupschedulerinEnterpriseManager(EM)
F.TheDBMS_BACKUP_SCHEDULERpackagerinlinemode
第4题
A.AddafindingdirectivefortheADDMtask.
B.AddasegmentdirectivefortheADDMtask.
C.AddaparameterdirectivefortheADDMtask.
D.DisabletheSegmentAdvisorfromtheAutomaticMaintenanceTask.
第5题
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).
第6题
A.GET_RELATION_PROPERTY
B.SET_RELATION_PROPERTY
C.GET_BLOCK_PROPERTY
D.GET_FORM_PROPERTY
第7题
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?()
第8题
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
第9题
A.ConcurrentMap
B.java.util.AbstractMap
C.ObservableMap
D.InvocableMap
第10题
A.POPULATE_LIST
B.POPULATE_GROUP
C.POPULATE_LIST_ITEM
D.POPULATE_LIST_FROM_GROUP
E.POPULATE_LIST_ITEM_FROM_GROUP
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