Hello. my name is Edward Green. I _________to speak to Mr. Smith, please.

第1题

下列哪个语句查出雇员表(employees)里的雇员名字(ename)是‘SMITH’的信息,并且给雇员名字(ename)列定义一个别名Name()。A.select employeesno，ename Name，job from employees where ename=‘SMITH’B.select employeesno，ename ‘Name’，job from employees where ename=SMITHC.select employeesno，ename “Name”，job from employees where ename=‘SMITH’D.select employeesno，ename ‘Name’，job frome mployees wheree name=‘SMITH’

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第2题

I'd like to apply for a library card.()A. Are you a student?B. With pleasureC. Fill out the application form. first, please.

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第3题

有以下程序:includeincludeusingnameSpacestd;classperson{ intage; Char*nam有以下程序：include ＜iostream＞include ＜string＞using nameSpace std；class person{int age；Char * name；public：person ( int i， Char * str ){int j；j = strlen( str ) + 1；name = new char[ j ]；strcpy( name， str )；age = i；}～person(){delete name；cout＜＜"D"；}void display(){cout＜＜name＜＜"："＜＜age；}}；int main(){person demo( 30，"Smith" )；demo．display()；return 0；}则该程序的输出结果为：【 】。

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第4题

I’d love to have a break, but I can't () the time now.A.spareB.spendC.speak

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第5题

publicclassEmployee{privateStringname；publicEmployee（Stringname）{this.name=name；}publicvoiddisplay（）{System.out.print（name）；}}publicclassManagerextendsEmployee{privateStringdepartment；publicManager（Stringname，Stringdepartment）{super（name）；this.department=department；}publicvoiddisplay（）{System.out.println（super.display（）+”，”+department）；}}执行语句newManager（smith”，”SALES”）后程序的输出是哪项？（）A.smith，SALESB.null，SALESC.smith，nullD.null，null

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第6题

publicclassPet{privateStringname；publicPet（Stringname）{this.name=name；}publicvoidspeak（）{System.out.print（name）；}}publicclassDogextendsPet{publicDog（Stringname）{super（name）；}publicvoidspeak（）{super.speak（）；System.out.print（Dog”）；}}执行代码Petpet=newDog（京巴”）；pet.speak（）；后输出的内容是哪项？（）A.京巴B.京巴DogC.nullD.Dog京巴

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第7题

YouacceptedtherecommendedSQLProfilebyexecutingthefollowingcode：DECLAREsqlprofile_namevarchar2（30）；BEGINsqlprofile_name：=DBMS_SQLTUNE.ACCEPT_SQL_PROFILE（task_name=>’my_task’，profile_name=>’my_profile’）；END；Whichadvisorwillanalyzethisprofile？（）A.SQLAccessAdvisorB.UndoAdvisorC.SegmentAdvisorD.SQLTuningAdvisor

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