CIS 209 Final Exam. 1. A Public Property procedure creates a property that is visible to any application that contains an instance of the class.

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1 CIS 209 Final Exam Question 1 1. A Property procedure begins with the keywords. Public [ReadOnly WriteOnly] Property Private [ReadOnly WriteOnly] Property Start [ReadOnly WriteOnly] Property Dim [ReadOnly WriteOnly] Property Question 2 1. A Public Property procedure creates a property that is visible to any application that contains an instance of the class. Question 3 1. A encapsulates the attributes and behaviors of the object it creates. constructor property class structure Question 4 1. A class can have multiple default constructors.

2 Question 5 1. A constructor that has no parameters is called the. Property procedure default constructor parameterized constructor Set block Question 6 1. A(n) is a class method whose sole purpose is to initialize the class s Private variables. signature constructor Get block event Question 7 1. A(n) property gets its value from the class itself rather than from the application. WriteOnly ReadOnly Set block Get block

3 Question 8 1. An object s behaviors include methods and events. Question 9 1. Constructors that contain parameters are called. attributes default constructors Set blocks parameterized constructors Question Except for constructors, which must be Function procedures, the methods included in a class can be either Sub procedures or Function procedures. Question In its simplest form, the Class statement can be used in place of the Structure statement.

4 Question In the following instruction, Room is a(n). Dim bedroom As New Room object variable class property Question Only an instance of a class is an object. Question Private variables represent properties that will be seen by anyone using an object created from the class. Question The Class statement is entered in a class file.

5 Question The Inherits clause is the keyword followed by the name of the class whose attributes and behaviors you want the derived class to inherit. It Inherits InheritsFrom Inherits Inherits_From Question The Option statements have the same meaning in a class file as they have in a form file. Question The code in the allows an application to assign a value to the Private variable associated with the property. Get block default constructor Set block Property procedure Question 19

6 1. The first word in a method name should be a(n). verb noun adjective preposition Question The disadvantage of using Public variables in a class is that a class cannot control the values assigned to its Public variables. Question The purpose of a(n) in OOP is to encapsulate the properties that describe an object, the methods that allow the object to perform tasks, and the events that allow the object to respond to actions. event class method attribute Question When an application instantiates an object, only the Private members of the object s class are visible to the application; the application cannot access the Public members of the class.

7 Question You create a Public property using a. Sub procedure Function procedure Property procedure Set block Question You can overload any of the methods contained in a class. Question When two or more methods have the same name but different parameters, the methods are referred to as. default methods parameterized methods overloaded methods Property procedures Question 26

8 1. A is a computer that contains special software that serves up Web pages in response to requests from client computers. Web server client computer browser static Web page Question A requests information from a Web server. radio button client computer toolbar div tag Question A(n) Web page contains controls with which the user can interact. HTML static ASP dynamic Question A(n) displays information in a row and column format, similar to a spreadsheet, and is often used to align the information on a Web page. Java table

9 ASP table Web server Web client Question ASP stands for. advanced script pages active server pages active storage pages active solution pages Question Not all ASP pages contain HTML (Hypertext Markup Language) tags. Question One drawback of dynamic Web pages is that they are not interactive. Question Text that cannot be changed by the user is referred to as.

10 static text controlled text fixed formatted Question The Rows property is used to add rows and columns (cells) to a table. Question The Internet is the world s largest computer network, connecting millions of computers located all around the world. Question The tag can be used to break the text on a Web page in a specific location. <br /> <div> <h1> <p>

11 Question The Web consists of documents called that are stored on Web servers. URLs browsers clients Web pages Question provide a means for a store to list its location and hours. Labels Static Web pages Toolbars Text boxes Question You use a ValidationError control to display all of the validation error messages in a single location on a Web page. Question You can use the ToShortDateString method to convert the date to the String data type.

12 Question You add items to a drop-down list control using the <asp:itemlist> tag. Question When a Web page is displayed in a browser, the value stored in its Title property appears in the browser s title bar. Question Web controls have a Name property. Question To deselect the table control, click an empty area of the Web page.

13 Question The purpose of the tool is to verify that an entry passes the specified validation logic. CompareValidator RegularExpressionValidator RequiredFieldValidator CustomValidator Question The purpose of the tool is to verify that a control contains data. CompareValidator RegularExpressionValidator RequiredFieldValidator RangeValidator Question The purpose of the tool is to compare an entry with a constant value or the property stored in a control. CompareValidator RegularExpressionValidator RequiredFieldValidator CustomValidator

14 Question The only interaction that can occur between static Web pages and the user is through links that allow the user to jump from one Web page to another. Question The properties of the RequiredFieldValidator tool are. ControlToValidate, ErrorMessage, and ClientValidationFunction ControlToValidate and ErrorMessage ControlToValidate, ErrorMessage, MinimumValue, MaximumValue, and Type ErrorMessage, MinimumValue, MaximumValue, and Type Question The background color of a Web page is controlled by the DOCUMENT object s BgPaint property. Question A BindingNavigator control displays table data in a row and columnar format, similar to a spreadsheet.

15 Question A is a single item of information about a person, place, or thing - such as a name, a salary amount, a Social Security number, or a price. table record dataset field Question A relational database can contain one or more tables. Question A(n) is a group of related fields that contain all of the necessary data about a specific person, place, or thing. object dataset record Exception Question After an application has been connected to a database, you can use the Preview Data option on the Data menu to view the fields and records in the dataset.

16 Question A(n) stores information in tables composed of columns and rows, similar to the format used in a spreadsheet. relational database object bound control dataset Question Before an application can access the data stored in a database, you need to connect the application to the database. Question Bound controls also are referred to as data-set controls. Question 59

17 1. Each column in a table represents a record and each row represents a field. Question Each record in a table contains the same fields. Question In order to maintain accurate records, most businesses store information about their employees, customers, and inventory in computer databases. Question It is almost impossible for an error to occur when saving data to a database. Question 63

18 1. The BindingNavigator control provides buttons for adding a record to the dataset, deleting a record from the dataset, and saving the changes made to the dataset. Question The BindingSource object stores the position of the record pointer in its property. View Position Navigation Cell Question The clause of LINQ is used to arrange the records in either ascending (the default) or descending order by one or more fields. Order By condition query Where Question The object is responsible for retrieving the appropriate information from the database and storing it in the DataSet. TableAdapter TblEmployBindingSource

19 BindingSource DataGridView Question The field used to link a child table to a parent table is known as the in the child table. record foreign key cell primary key Question The databases created using SQL Server and Oracle are not considered relational databases. Question The intersection of a row and column in a DataGridView control is called a. cell table record key

20 Question The way Visual Basic saves changes to a local database file is determined by the file s property. BindingNavigator Position BindingSource Copy to Output Directory Question When an error occurs in a procedure s code during run time, programmers say that the procedure threw an exception. Question When you drag an object from a dataset to an empty area on the form, the computer creates a control and automatically binds the object to it. Question You can connect an application to a database using the Data Source Configuration Wizard.

21 Question can be used to perform arithmetic calculations (such as a sum or an average) on the data stored in a dataset. Parent tables LINQ Child tables Datasets Question You can use the BindingNavigator tool to add a BindingNavigator control and object to an application. Question A Delete query uses the statement to delete a record from a database. UPDATE SELECT INSERT DELETE Question 77

22 1. A is a query that uses the parameter marker in place of the criteria s value. structured query parameter query limited query replaceable query Question An example of a DELETE statement with the correct syntax is DELETE WHERE YearWon = 1997 FROM tblmovies. Question Because it is possible for an error to occur when saving data to a database, it s a good programming practice to place the Update method within the block of a Try... Catch statement. Try Catch Assert Fail Question Click the Execute Query button to run the current query.

23 Question Click on the shortcut menu to start the TableAdapter Query Configuration Wizard. Add Configuration Add Query Add Link Add TableAdapter Question In order for an application to use a query during run time, you will need to save the query and then invoke it from code. Question Similar to the condition in the If...Then...Else and Do...Loop statements, the condition in a WHERE clause specifies a requirement that must be met for a record to be selected. Question The clause is used to arrange the records in either ascending (the default) or descending order by one or more fields.

24 GROUP BY WHERE ORDER BY JOIN Question The WHERE statement is the most commonly used statement in SQL. Question The file that contains information about the tables, fields, records, and properties included in the dataset has an extension..xst.xsq.xsd.xsl Question The parameter marker is a(n).? * & %

25 Question is a set of statements that allows you to access and manipulate the data stored in many database management systems on computers of all sizes, from large mainframes to small microcomputers. TQL LINQ C# SQL Question You use the clause, which contains a condition, to limit the records you want to view. ORDER BY WHERE GROUP BY UNION Question You save a query that contains the SELECT statement by associating the query with one or more methods. Question 91

26 1. You can sort the records in a DataGridView control by clicking the appropriate header while the application is running. Question You can use the associated with a query to invoke the query during run time. properties methods objects values Question The wildcard character is the. % & Question The syntax to save dataset changes to a database is. tableadaptername.save(datasetname) tableadaptername.update(datasetname.tablename) tableadaptername.update(datasetname)

27 tableadaptername.update.datasetname(tablename) Question The syntax for the DELETE statement is. DELETE FROM fieldname1, fieldname2 fieldnamen WHERE condition DELETE FROM tablename WHERE condition DELETE FROM tablename FIELDS fieldname1, fieldname2 fieldnamen WHERE condition DELETE VALUES FROM tablename WHERE condition Question The syntax for locating a record in a dataset is. datarowvariable = datasetname.tablename.findby.fieldname(value) datarowvariable = datasetname.tablename.findby(fieldname)(value) datarowvariable = datasetname.tablename.findbyfieldname(value) datarowvariable = datasetname.tablename.findby(fieldname).get(value) Question The statement SELECT YearWon, Title, ProductionCo FROM tblmovies WHERE YearWon >= 2006 selects all of the fields from records for the year 2006 and later. Question 98

28 1. The single quotes around the value in the WHERE clause s condition are necessary only when you are comparing a text field with a literal constant. Question The statement SELECT YearWon FROM tblmovies WHERE Title = 'Chicago' selects the Chicago field from the YearWon record. Question The statement selects the Title and ProductionCo fields from records whose title begins with the word The followed by a space and zero or more characters, and then sorts the records in descending order by the ProductionCo field. SELECT Title, ProductionCo FROM tblmovies WHERE Title LIKE 'The %' ORDER BY ProductionCo SELECT Title, ProductionCo FROM tblmovies WHERE Title LIKE 'The %' ORDER BY ProductionCo DESC SELECT Title, ProductionCo FROM tblmovies WHERE Title LIKE 'The *' ORDER BY ProductionCo DESC SELECT Title, ProductionCo FROM tblmovies ORDER BY ProductionCo DESC