Given the following function:CREATE FUNCTION emplist () RETURNS TABLE ( id CHAR(6) , first

题目

Given the following function:CREATE FUNCTION emplist () RETURNS TABLE ( id CHAR(6) , firstname VARCHAR(12) , lastname VARCHAR(15) ) LANGUAGE SQL BEGIN ATOMIC RETURN SELECT EMPNO, FIRSTNME, LASTNAME FROM EMPLOYEE WHERE WORKDEPT IN (‘A00‘, ‘B00‘); ENDHow can this function be used in an SQL statement?

A.SELECT TABLE(EMPLIST()) FROM EMPLOYEE

B.SELECT TABLE(EMPLIST()) AS t FROM EMPLOYEE

C.SELECT EMPLIST(id, firstname, lastname) FROM EMPLOYEE

D.SELECT id, firstname, lastname FROM TABLE(EMPLIST()) AS t

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相似问题和答案

第1题:

10、以下 jQuery 事件处理程序的写法错误的是?

A.$("#id").hover(function(){ //some code },function(){ //other code });

B.$(function(){ //some code });

C.$.click(function(){ //some code });

D.$("#id").click(function(){ //some code });


click;change

第2题:

设A是一个类的类名,下面函数的参数的引用形式是( )。

A.function(A &p)

B.function(A p)

C.function(A *p)

D.function(constA)


正确答案:A
解析:重载的语法。

第3题:

对于函数原型void function(int x,float y,char z='a'),合法的函数调用是( )。

A.function(2,3.Of)

B.function(2,3,4)

C.function(2)

D.function()


正确答案:A
解析:由于只有第三个参数有默认值,故要求给出前两个参数的值。

第4题:

GivenanELfunctiondeclaredwith:11.<function>12.<name>spin</name>13.<function-class>com.example.Spinner</function-class>14.<function-signature>15.java.lang.StringspinIt()16.</function-signature>17.</function>Whichtwoaretrue?()

A.Thefunctionmethodmusthavethesignature:publicStringspin().

B.Themethodmustbemappedtothelogicalname"spin"intheweb.xmlfile.

C.Thefunctionmethodmusthavethesignature:publicStringspinIt().

D.ThefunctionmethodmusthavethesignaturepublicstaticStringspin().

E.Thefunctionmethodmusthavethesignature:publicstaticStringspinIt().

F.ThefunctionclassmustbenamedSpinner,andmustbeinthepackagecom.example.


参考答案:E, F

第5题:

You are consuming a Windows Communication Foundation (WCF) service in an ASP. NET Web application.The service interface is defined as follows:[ServiceContract]public interface ICatalog{ [OperationContract] [WebGet(UriTemplate="/Catalog/Items/{id}", ResponseFormat=WebMessageFormat.Json)] string RetrieveItemDescription(int id); } The service is hosted at Catalogsvc.You need to call the service using jQuery to retrieve the description of an item as indicated by a variable named itemId. Which code segment should you use?()

A. $get(String.format("/Catalogsvc/Catalog/Items/id{0}", itemId) null, function (data) { ... }, javascript");

B. $get(String.format("/Catalogsvc/Catalog/Items/{0}", itemId), null, function (data) { ... }, "json");

C. $get(String.format("/Catalogsvc/Catalog/Items/{0}", itemld), null, function (data) { ... }, "xml");

D. $get(String.format("/Catalogsvc/Catalog/Items/id{0}", itemld), null, function (data) { ... }, "json");


参考答案:B

第6题:

YoucreateaWebpagethatcontainsdrop-downmenusthataredefinedbyusingdivtagsinthefollowingcode.YouneedtowriteaJavaScriptfunctionthatwillenablethedrop-downmenustoactivatewhentheuserpositionsthemouseoverthemenutitle.Whichcodesegmentshouldyouuse?()

A.$(".dropdown-menu").hover(function(){$(".menu-items").slideDown(100);},function(){ $(".menu-items").slideUp(100);});

B.$(".dropdown-menu").hover(function(){$(".menu-items",this).slideDown(100);},function(){$(".menu-items",this).slideUp(100);});

C.$(".dropdown-menu").hover(function(){$(this)".slideDown(100);},function(){$(this).slideUp(100);});

D.$(".dropdown-menu").hover(function(){$("this.menu-title",).slideDown(100);},function(){$("this.menu-title",).slideUp(100);});


参考答案:B

第7题:

YoucreateaWebpagethatcontainsthefollowingcode.Youneedtoprovidethefollowingimplementation.EachtimetheAddFilebuttonisclicked,anewdivelementiscreated.ThenewdivelementisappendedaftertheotherfileuploaddivelementsandbeforetheAddFilespan.Eachnewelementhasauniqueidentifier.Whichcodesegmentshouldyouuse?()

A.$("#AddFile").click(function(){varid="File"+++lastId;varitem=$(".File:first").clone(true);$("input:file",item).attr({id:id,name:id});item.insertBefore("#AddFile");});

B.$("#AddFile").click(function(){varid="File"+++lastId;$(".File:first").clone(true).attr({id:id,name:id}).insertBefore("#AddFile");});

C.$("#AddFile").click(function(){varid="File"+++lastId;});

D.$("#AddFile").click(function(){varid="File"+++lastId;varitem=$(".File:first").clone(true);$("input:file",item).attr({id:id,name:id});item.insertAfter("input[type=file]");});


参考答案:A

第8题:

AWebservicereturnsalistofsystemusersinthefollowingformat.Youneedtopopulateadrop-downmenuwiththeIDsandnamesoftheusersfromtheWebservice,intheorderprovidedbytheservice.Whichcodesegmentshouldyouuse?()

A.$.ajax({type:"GET",url:serviceURL,success:function(xml){$.each($(xml),function(i,item){$("").attr("value",id).text(tx).appendTo("#dropdown");});}});

B.$.ajax({type:"GET",url:serviceURL,success:function(xml){$(xml).find("user").each(function(){varid=$(this).id;vartx=$(this).name.text$("").attr("value",id).text(tx).appendTo("#dropdown");});}});

C.$.ajax({type:"GET",url:serviceURL,success:function(xml){$(xml).find("user").each(function(){varid=$(this).attr("id");vartx=$(this).find("name").text();$("").attr("value",id).text(tx).appendTo("#dropdown");});}});

D.$.ajax({type:"GET",url:serviceURL,success:function(xml){xml.find("user").each(function(node){varid=$(node).attr("id");vartx=$(node).find("name").text();$("").attr("value",id).text(tx).appendTo("#dropdown");});}});


参考答案:C

第9题:

如何创建函数?()

A、function:myFunction()

B、functionmyFunction()

C、function=myFunction()

D、myFunction()


正确答案:B