Questions and Answers of Programming World Wide

What are the three kinds of classes that support the connected part of ADO.NET?
What is the design philosophy of ADO.NET?
What is SQL Server?
What are the two ways column labels can be obtained from an object of metadata?
How is the collection of metadata extracted from a database?
What is the form of the methods used to extract values from the object returned by executeQuery?
How can a program iterate through the object returned by executeQuery?
What class of object is returned from the executeQuery method?
What method of what class is used to execute a SELECT command?
Write and test an ASP.NET source document and code-behind file that together request a name of a table in a database from the user and return the number of rows in the table.
Write and test a servlet that requests the name of a table in a database from the user and returns the number of rows in the table.
Write and test a PHP program that requests the name of a table in a database from the user and returns the number of rows in the table.
Modify and test the ASP.NET source document and code-behind file to work with some other database management system to which you have access.
Modify and test the program JDBCServlet.java to work with some other database management system to which you have access.
Modify and test the program access_cars.php to handle UPDATE and INSERT SQL commands, as well as SELECT.
How does one run a Web service client if it co-resides with the service in a solution?
What attribute precedes a method that defines part or all of a Web service?
What is the suffix of a file that contains a Web service?
What part of a simple ASP.NET AJAX application must the developer write in JavaScript?
What is the purpose of the time stamps in the zip code ASP.NET AJAX application?
What is the purpose of the UpdatePanel control?
What is the purpose of the ScriptManager control?
What is a master document and how is one used?
Under what circumstances is a CustomValidator control used?
What are the values of the Display attribute of a validation control?
What event is raised by a drop-down list?
What method is used to produce output from an ASP.NET document?
What is the difference between a control that includes the runat attribute set to "server" and one that does not?
Why should form data validation be done on the server as well as the client?
What is the purpose of the xml control?
Explain how event handlers for controls are registered.
Explain auto event wireup.
What are the four page-level events?
How can an ASP.NET checkbox control be forced to cause a postback when it is checked?
What is the purpose of the hidden control ViewState?
What method of what class is used to execute an SQL action command?
What purpose does a Statement object serve when SQL is used through JDBC?
Explain the two ways to register a JDBC driver.
What method of what class is used to connect to a database when JDBC is used?
What advantage does a third-tier computer provide when JDBC is used?
Explain the two ways of using JDBC.
Explain the exact form of the value returned by mysql_fetch_array.
What does the PHP function mysql_fetch_array do?
How can a PHP program determine the number of rows in a query result?
What is the purpose of the PHP mysql_select_db function?
What is the problem with quotes in an SQL command obtained from a form element in an HTML document?
What does the MySQL constraint auto_increment do?
What is MySQL?
What is the relationship between ODBC and JDBC?
What is ODBC, and why is it useful?
What is the disadvantage of embedding SQL in a programming language?
Explain how SQL database access can be provided by extending a programming language.
Why are two-tier client-server configurations sometimes inadequate?
What is the purpose of a third tier in a client-server configuration for Web access to a database?
What exactly is a table join, and how is one specified in SQL?
What is the purpose of an UPDATE command?
How are the column names associated with the values in an INSERT command?
What is specified by the WHERE clause of a SELECT command?
What does an asterisk specify when it appears as the value of a SELECT clause?
What does the NOT NULL constraint specify in a column of a CREATE TABLE SQL command?
How are string literals delimited in SQL?
What is the purpose of a cross-reference table?
What is the purpose of the primary keys of a table in a relational database?
What is a postback?
Why do ASP.NET server-side forms not require an action attribute?
What is the syntactic difference between an HTML widget and its corresponding ASP.NET control?
Describe what is specified by the Page attribute Src.
What kind of code is placed in a script element?
What kind of code is placed in a render block?
From what class does an ASP.NET document class that uses a code behind file inherit?
From what class does an ASP.NET document class that does not use a code-behind file inherit?
What exactly is a code-behind file?
What are the two kinds of disadvantages of scripting languages when used for supporting dynamic documents?
Where are C# struct objects allocated?
What does it mean when a C# method includes the new modifier?
What characteristic is specified by attaching virtual to a C# method?
What parameter-passing methods are available in C# that are not available in Java?
Explain how the switch statement of C# is safer than that of Java.
On what languages is C# based?
Describe briefly the two parts of the CLI.
Build a Web service that computes a temperature in Celsius, given one in Fahrenheit. Also, build a client to use the service.
Explain how a JIT compiler works.
Modify the ASP.NET AJAX zip code application to provide the address, zip code, city, and state of old customers. Use a hash whose keys are last names and first names, catenated. The information about
What part of the .NET system controls the execution of programs?
What is the primary benefit of the multilanguage aspect of .NET?
When does a JIT compiler perform its translation of a method?
Modify the ASP.NET document helloVS.aspx, as with hello.aspx in Exercise 12.1.Data from exercise 12.1Modify the ASP.NET document hello.aspx to use radio buttons to get the marital status of the user
What is the difference between a JavaBean and a .NET component?
How is the value of an inputText component associated with a bean property?
What are the two most commonly used events in JSF?
What is the form of a JSF expression?
What are the two standard tag libraries of JSF?
What is the primary contribution of JSF?
What role do beans play in the design of an MVC-based Web application?
What form of constructor is required in a bean class?
How can a bean property be referenced in the EL?
What exactly does the JSP element do?
What exactly does the JSP element do?
What exactly does the JSP element do?
How are beans used by JSP applications?

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