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【OCP-12c】CUUG最新考试原题整理及答案(071-12)
12、(5-12)choosetwo:ExaminethedataintheCUSTOMERStable:Youwanttolistallcitiesthathavemorethanonecustomeralongwiththecustomerdetails.Evaluatethefollowingquery:SQL>SELECTc1.custname,c1.cityFROMCustomer
分类:其他好文   时间:2019-02-15 18:02:42    阅读次数:185
【OCP-12c】CUUG最新考试原题整理及答案(071-11)
11、(5-8)choosethebestanswer:ExaminethestructureoftheBOOKS_TRANSACTIONStable.YouwanttoupdatethistablesuchthatBOOK_IDissetto‘INVALID‘forallrowswherenoMEMBER_IDhasbeenentered.ExaminethispartialSQ
分类:其他好文   时间:2019-02-15 16:00:24    阅读次数:160
【OCP-12c】CUUG最新考试原题整理及答案(071-9)
9、(5-5)choosethebestanswerViewtheExhibitandexaminethestructureoftheSALESandSTOREStables.Youwanttodisplaythestorenameandthetotalquantitysoldforeachiteminthestore.WhichSQLstatementwillgivetherequiredout
分类:其他好文   时间:2019-02-15 11:57:45    阅读次数:168
javaweb c3p0连接oracle12c
最近在搞javaweb,在连接池上碰到了一系列的问题,在Junit测试时,oracle12c报错: ORA-28040: 没有匹配的验证协议 百度解决:修改 $ORACLE_HOME/network/admin/sqlnet.ora 加入如下: SQLNET.ALLOWED_LOGON_VERSIO ...
分类:数据库   时间:2019-02-14 13:46:20    阅读次数:189
OCP 12c最新考试原题及答案(071-7)
7、(5-1)choosetwo:ViewtheExhibitandexaminethestructureofthePRODUCTStable.Whichtwotaskswouldrequiresubqueries?A)Displaytheminimumlistpriceforeachproductstatus.B)Displaythetotalnumberofproductssuppliedby
分类:其他好文   时间:2019-02-14 12:03:50    阅读次数:182
OCP 12c最新考试原题及答案(071-5)
5、(4-12)choosetwo:YouexecutedthefollowingCREATETABLEstatementthatresultedinanerror:SQL>CREATETABLEemployees(emp_idNUMBER(10)PRIMARYKEY,enameVARCHAR2(20),emailNUMBER(3)UNIQUE,addressVARCHAR2(500),ph
分类:其他好文   时间:2019-02-13 18:17:36    阅读次数:173
OCP 12c最新考试原题及答案(071-4)
4、(4-11)choosetwo:ViewtheExhibitandexaminethedatainthePRODUCT_INFORMATIONtable.Whichtwotaskswouldrequiresubqueries?(Choosetwo.)A)displayingallsupplierIDswhoseaveragelistpriceismorethan500B)displayingt
分类:其他好文   时间:2019-02-12 18:33:20    阅读次数:129
OCP 12c最新考试题库及答案(071-2)
2、(4-7)choosethebestanswer:YouneedtodisplaythefirstnamesofallcustomersfromtheCUSTOMERStablethatcontainthecharacter‘e‘andhavethecharacter‘a‘inthesecondlastposition.Whichquerywouldgiveth
分类:其他好文   时间:2019-02-12 17:23:04    阅读次数:147
Oracle ocp 12c-071最新考试题库及答案-1
choosethebestanswer:ViewtheExhibitandexaminethestructureoftheCUSTOMERStable.CUSTOMER_VUisaviewbasedonCUSTOMERS_BR1tablewhichhasthesamestructureasCUSTOMERStable.CUSTOMERSneedstobeupdatedtoreflectthelat
分类:数据库   时间:2019-02-12 17:20:22    阅读次数:318
设计模式六大原则
开闭原则(Open Closed Principle,OCP) 一个软件实体如类、模块和函数应该对扩展开放,对修改关闭。模块应尽量在不修改原(是“原”,指原来的代码)代码的情况下进行扩展。 优点 : 可复用性,可维护性 ...
分类:其他好文   时间:2019-02-11 12:23:51    阅读次数:144
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