对于满足SQL92标准的SQL语句： select foo，count（foo）from pokes where foo10group by foo having count （*）5 order by foo 其执行顺序应该是（）。A、FROM-WHERE-GROUP BY-HAVING-SELECT-ORDER BYB、FROM-GROUP BY-WHERE-HAVING-SELECT-ORDER BYC、FROM-WHERE-GROUP BY-HAVING-ORDER BY-SELECTD、FROM-WHERE-ORDER BY-GROUP BY-HAVING-SELECT
对于满足SQL92标准的SQL语句： select foo，count（foo）from pokes where foo>10group by foo having count （*）>5 order by foo 其执行顺序应该是（）。
- A、FROM->WHERE->GROUP BY->HAVING->SELECT->ORDER BY
- B、FROM->GROUP BY->WHERE->HAVING->SELECT->ORDER BY
- C、FROM->WHERE->GROUP BY->HAVING->ORDER BY->SELECT
- D、FROM->WHERE->ORDER BY->GROUP BY->HAVING->SELECT
相关考题：
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标准SQL基本查询模块的结构是A）SELECT…FROM…ORDER BYB）SELECT…WHERE…GROUP BYC）SELECT…WHERE…HAVINGD）SELECT…FROM…WHERE
标准SQL基本查询模块的结构是A．SELECT...FROM...ORDER BYB．SELECT...WHERE...GROUP BYC．SELECT...WHERE...HAVINGD．SELECT...FROM...WHERE
求至少出版3本以上图书的作者姓名及数量，下列SQL语句正确的是( )。A．SELECT 姓名,COUNT(*) AS 数量 FROM 图书,作者; HAVING COUNT(*)＞=3B．SELECT 姓名,COUNT(*) AS 数量 FROM 图书,作者; WHERE 作者．作者编号=图书.作者编号; GROUP BY 图书.作者编号 HAVING COUNT(*)＞=3C．SELECT姓名,COUNT(*) AS 数量 FROM 图书,作者; FOR 作者.作者编号=图书.作者编号; WHERE 图书.作者编号 HAVING COUNT(*)＞=3D．SELECT 姓名,COUNT(*) AS 数量 FROM 图书,作者; WHERE 作者.作者编号=图书.作者编号; GROUP BY 图书.作者编号 SET COUNT(*)＞=3
GivenanELfunctionfoo,innamespacefunc,thatrequiresalongasaparameterandreturnsaMap,whichtwoarevalidinvocationsoffunctionfoo?() A.${func（1）}B.${foo：func（4）}C.${func：foo（2）}D.${foo（5）：func}E.${func：foo（“easy”）}F.${func：foo（“3”）.name}
GivenanELfunctionfoo,innamespacefunc,thatrequiresalongasaparameterandreturnsaMap,which twoarevalidinvocationsoffunctionfoo?() A.${func（1）}B.${foo：func（4）}C.${func：foo（2）}D.${foo（5）：func}E.${func：foo（easy）}F.${func：foo（3）.name}
要从选课表(学号、课程号、成绩)中查询选修了三门课程以上的学生学号，应使用的SELECT-SQL语句是A．SELECT学号FROM选课表WHERE COUNT(*)＞=3B．SELECT学号FROM选课表HAVING COUNT(*)＞=3C．SELECT学号FROM选课表GROUP BY学号HAVING COUNT(*)＞=3D．SELECT学号FROM选课表GROUP BY学号WHERE COUNT(*)＞=3
对于图书管理数据库，要查询所藏图书中各个出版社的图书最高单价、平均单价和册数，下面SQL语句正确的是______。 SELECT 出版单位，______，______，______； FROM 图书______出版单位A．MIN(单价)AVGAGE(单价)COUNT(*)GROUP BYB．MAX(单价)AVG(单价)COUNT(*)ORDER BYC．MAX(单价)AVG(单价)SUM(*)ORDER BYD．MAX(单价)AVG(单价)COUNT(*)GROUP BY
标准SQL基本查询模块的结构是 ______。A．SELECT…FROM…ORDER BYB．SELECT…WHERE…GROUP BYC．SELECT…WHERE…HAVINGD．SELECT…FROM…WHERE
标准SQL基本查询模块的结构是A．SELECT. . . FROM. . . ORDER BYB．SELECT. . . WHERE. . . GROUP BYC．SELECT. . . WHERE. . . HAVINGD．SELECT. . . FROM. . . WHERE．
检索选修四门以上课程的学生总成绩(不统计不及格的课程)，并要求按总成绩的降序排列出来。正确的SELECT语句是______。A．SELECT S#, SUM(GRADE) FROM SC WHERE GRADE＞=60 GROUP BY S# ORDER BY 2 DESC HAVING COUNT(*)＞=4B．SELECT S#, SUM(GRADE) FROM SC WHERE GRADE＞=60 GROUP BY S# HAVING COUNT(*)＞=4 ORDER BY 2 DESCC．SELECT S#, SUM(GRADE) FROM SC WHERE GRADE＞=60 HAVING COUNT(*)＞=4 GROUP BY S# ORDER BY 2 DESCD．SELECT S#, SUM(GRADE)FROM SC WHERE GRADE＞=60 ORDER BY 2 DESC GROUP BY S# HAVING COUNT(*)＞=4
查询计算机系选修了5门以上课程的学生姓名，下列SQL语句中正确的是(36)。A．SELECT 姓名FROM 选课单WHERE 系=‘计算机’AND COUNT(*)＞5B．SELECT 姓名FROM 选课单WHERE 系=‘计算机’AND COUNT(*)＞5 GROUP BY 姓名C．SELECT 姓名FROM 选课单WHERE 系=‘计算机’GROUP BY 姓名HAVING COUNT(*)＞5D．SELECT 姓名FROM 选课单GROUP BY 姓名HAVING系=‘计算机’AND COUNT(*)＞5
标准SQL基本查询模块的结构是______。A．SELECT…FROM…ORDER BYB．SELECT…1WHERE…GROUP BYC．SELECT…WHERE…HAVINGD．SELECT…FROM…WHERE
Which the three are valid declarations of a float？（）A、 float foo = -1；B、 float foo = 1.0；C、 float foo = 42el：D、 float foo = 2.02f：E、 float foo = 3.03d：
下列选项中，能有效地描述浮点数的有（）。A、Float foo = -1；B、Float foo = 1.0；C、Float foo = 42e1；D、Float foo = 2.02f；E、Float foo = 3.03d；F、Float foo = 0x0123；
Which three are valid declarations of a float？ （） A、 Float foo = -1；B、 Float foo = 1.0；C、 Float foo = 42e1；D、 Float foo = 2.02f；E、 Float foo = 3.03d；F、 Float foo = 0x0123；
console.log（foo）；varfoo="foo!"；console.log（foo）；执行上面代码，控制台会输出（）。A、undefined undefinedB、foo! undefinedC、undefined foo!D、foo! fool!
Given an EL function foo， in namespace func， that requires a long as a parameter and returns a Map， which two are valid invocations of function foo？（）A、 ${func（1）}B、 ${foo：func（4）}C、 ${func：foo（2）}D、 ${foo（5）：func}E、 ${func：foo（“easy”）}F、 ${func：foo（“3”）.name}
Given： foo and bar are public references available to many other threads， foo refers to a Thread and bar is an Object. The thread foo is currently executing bar.wait（）. From another thread， what provides the most reliable way to ensure that foo will stop executing wait（）？（）A、foo.notify（）；B、bar.notify（）；C、foo.notifyAll（）；D、Thread.notify（）；E、bar.notifyAll（）；F、Object.notify（）；
String foo = “blue”； Boolean[]bar = new Boolean [1]； if （bar[0]） { foo = “green”； } What is the result？ （） A、 Foo has the value of “”B、 Foo has the value of null.C、 Foo has the value of “blue”D、 Foo has the value of “green”E、 An exception is thrown.F、 The code will not compile.
单选题foo and bar are public references available to many other threads. foo refers to a Thread and bar is an Object. The thread foo is currently executing bar.wait（）. From another thread， which statement is the most reliable way to ensue that foo will stop executing wait（）？A foo.notify（）；B bar.notify（）；C foo.notifyAll（）；D Thread.notify（）；E bar.notiFYAll（）；F Object.notify（）；
单选题String foo = “blue”； Booleanbar = new Boolean [1]； if （bar[0]） { foo = “green”； } What is the result？（）A Foo has the value of “”B Foo has the value of null.C Foo has the value of “blue”D Foo has the value of “green”E An exception is thrown.F The code will not compile.
多选题Which three are valid declarations of a float？ （）AFloat foo = -1；BFloat foo = 1.0；CFloat foo = 42e1；DFloat foo = 2.02f；EFloat foo = 3.03d；FFloat foo = 0x0123；
多选题Which the three are valid declarations of a float？（）Afloat foo = -1；Bfloat foo = 1.0；Cfloat foo = 42el：Dfloat foo = 2.02f：Efloat foo = 3.03d：
多选题Given an EL function foo， in namespace func， that requires a long as a parameter and returns a Map，which two are valid invocations of function foo？（）A${func（1）}B${foo：func（4）}C${func：foo（2）}D${foo（5）：func}E${func：foo（easy）}F${func：foo（3）.name}
单选题Which retrieves the value associated with “foo” from within an HttpServlet？（）A String value = getServletConfig（ ）.getParameter（“foo”）；B String value = getServletContext（ ）.getAttribute（“foo”）；C Object value = getServletContext（ ）.getInitParameter（“foo”）；D String value = getServletContext（ ）.getInitParameter（“foo”）