Technology Questions

Classes that contain at least one pure virtual function are called as abstract base classes.

DAO (Data access object ) is used for accessing data before ado it was used for database installed on same sys where the application resides.

RDO (Remote data object ) is used for accessing remote data

ADO (Active data object ) most powerful till date it is nothing but combination of both DAO and RDO 

There are two kinds of classes in c++. They are absolute class and concrete class.

- Debugging is esy.
- Reduces Development Time.
- LINQ offers IntelliSense which means writing more accurate queries easily.

There are two types of modular programming.They are interface and implementation.

The built in function called GetDate() returns the time stamp.

$filename = "/home/user/guest/newfile.txt";
$file = fopen( $filename, "w" );
if( $file == false )
{
echo ( "Error in opening new file" );
exit();

}
fwrite( $file, "This is a simple test\n" );
fclose( $file );