下面定义PL/SQL记录的语法正确的是()。A、TYPE 记录类型名 IS RECORDB、TYPE 记录类型名 RECORDC、RECORD 记录类型名D、TYPE RECORD 记录类型名
下面定义PL/SQL记录的语法正确的是()。
- A、TYPE <记录类型名> IS RECORD
- B、TYPE <记录类型名> RECORD
- C、RECORD <记录类型名>
- D、TYPE RECORD <记录类型名>
相关考题:
设有如下的记录类型Type StudentnumberAs stringname As Stringage As IntegerEnd Type则正确引用该记录类型变量的代码是( )。A. Student.name="张红"B. Dim s As Students.name="张红"C. Dim s As Type StudentD. Dim s As Types.name="张红" s.Dame="张红"
假设有如下的记录类型: Type Student number As String name AS String age As Integer End Type 则正确引用该记录类型变量的代码是______。A.Student. name="" s. name="张红"B.Dim s As Student s. Dame="张红"C.Dim s As Type Student s. name="张红"D.Dim s As Type s. name="张红"
有如下的记录类型Type studentid As Stringname As Stringage As IntegerEnd Type则正确引用该记录类型变量的代码是( )A.student.name=”Sias”B.Dim s As students.mane=”Sias”C.Dim s As type students.name=”Sias”D.Dim s As types.name=”Sias”
(12)要建立一个随机文件记录学生的信息,下列定义了学生的记录类型,由学号、姓名、五门课程成绩(百分制)组成,下列的定义正确的是。A.Type stu no As Integer name As String score(1 To 5)As Single End Type B.Type stuno As Integename As String*10score()As SingleEnd TypeC.Type stu no As Integer name As String*10 score(1 To 5)As Single End Type D.Type stuno As Integername As Stringscore()As SingleEnd Type
设有如下的记录类型: TypeStudent number As String name AS String age As Integer End Type 则正确引用该记录类型变量的代码是( )。A.Student.name="张红"B.Dim s As Student s.name="张红"C.Dim s As Type Student s.name="张红"D.Dim s As Type s.name="张红"
要建立一个随机文件记录学生的信息,如下定义了学生的记录类型,由学号、姓名、5门课程成绩(百分制)组成,下列的定义正确的是( )。A.Type sru no As Integer name As String score(1 To 5)As Single End TypeB.Type stu no As Integer name As String*10 score()As Single End TypeC.Type stu no As Integer name As String*10 score(1 To 5)As Single End TypeD.Type stu no As Integer name As String score()As Single End Type
要建立一个随机文件记录学生的信息,下列定义了学生的记录类型,由学号、姓名、五门课程成绩(百分制)组成,下列的定义正确的是( )。A.Type stu no As Integer name As String score(1 To 5)As Single End TypeB.Type stu no As Integer name As String*10 score()As Single End TypeC.Type stu no As Integer name As String*10 score(1 To 5)As Single End TypeD.Type stu no As Integer name As String score()As Single End Type
设有如下的记录类型: Type Student number As String name As String age As Integer End Type 则正确引用该记录类型变量的代码是______。A.StUdent.name=""B.Dim s As StUdent s.name="张红"C.Dim s As Type Student s.name="张红"D.Dim s As Type s.name="张红"
由如下程序: Type Student Num As Integer Name As String * 13 End Type Dim stu(30)As Student 该程序段定义了两个程序成分,它们分别是 ______。A.记录类型和记录数组B.记录类型和记录变量C.显示类型和记录数组D.记录变量和记录数组
在PL/SQL中定义一个可以存放雇员表(EMP)的员工名称(ENAME)的PL/SQL表类型,应该() A.type array arr_type[emp.ename%type] index by binary_integer;B.type table arr_type[emp.ename%type] index by binary_integer;C.type arr_type is table of emp.ename%type index by binary_integer;D.type arr_type is pl_sql table of emp.ename%type index by binary_integer;
下面定义PL/SQL记录的语法正确的是()。 A.TYPE 记录类型名 IS RECORDB.TYPE 记录类型名 RECORDC.RECORD 记录类型名D.TYPE RECORD 记录类型名
以下关于 Redcord(记录)的描述,不正确的是:A.Object Pascal支持可变 Record,它允许在记录种不同的数据共同覆盖相同的内存B.Record类型定义中列出了若干个域,每个域对应一个域名,通过域名访问C.Record类型用于定义不同类型数据项的固定集合D.record类型是类的一种补充
在PL/SQL中定义一个可以存放雇员表(EMP)的员工名称(ENAME)的PL/SQL表类型,应该()A、type array arr_type[emp.ename%type] index by binary_integer;B、type table arr_type[emp.ename%type] index by binary_integer;C、type arr_type is table of emp.ename%type index by binary_integer;D、type arr_type is pl_sql table of emp.ename%type index by binary_integer;
emp表是雇员信息表,以下哪个变量可以存放emp表中的一条记录()A、v_record emp%type;B、v_record emp%recordtype;C、v_record emp%record_type;D、v_record emp%rowtype;E、v_record emp%row_type;
如何将变量v_row定义为emp表的记录类型()A、v_row emp%type;B、v_row emp%record;C、v_row emp%tabletype;D、v_row emp%rowtype;
假定已经定义了一个名为arr_type的PL/SQL表类型,那么怎样实例化一个arr_type类型的变量()A、v_arr arr_type;B、v_arr is arr_type;C、v_arr of arr_type;D、v_arr arr_type%type;
单选题假定已经定义了一个名为arr_type的PL/SQL表类型,那么怎样实例化一个arr_type类型的变量()Av_arr arr_type;Bv_arr is arr_type;Cv_arr of arr_type;Dv_arr arr_type%type;
单选题emp表是雇员信息表,以下哪个变量可以存放emp表中的一条记录()Av_record emp%type;Bv_record emp%recordtype;Cv_record emp%record_type;Dv_record emp%rowtype;Ev_record emp%row_type;
单选题如何将变量v_row定义为emp表的记录类型()Av_row emp%type;Bv_row emp%record;Cv_row emp%tabletype;Dv_row emp%rowtype;
单选题下面定义PL/SQL记录的语法正确的是()。ATYPE 记录类型名 IS RECORDBTYPE 记录类型名 RECORDCRECORD 记录类型名DTYPE RECORD 记录类型名