Technology Questions

Q:

What are the features of iphone 3G?

Answer

Video: Videos can be edited, shared. High quality VGA video can be shot in portrait or landscape.

- 3 Megapixel Camera: Still photos with greater quality can be taken

- Voice control: It recognizes the names in contacts and recognizes the music on iPod.

- Compass: iPhone 3GS has built-in digital compass, used to point the way.

- Internet Tethering: Internet surfing can be done from anywhere. A 3G connection can be shared on Iphon3 with Mac notebook or laptop.. 

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Q:

Explain VBScript in detail.

Answer

This is a scripting language developed by Microsoft and is based loosely on Visual Basic. Its functionality in a web environment is dependant upon either an ASP engine or the Windows Scripting Host, and must be used on a Windows hosting platform. 

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Q:

What are sensors in iphone?

Answer

 The proximity sensor immediately turns off the display when the iPhone is lifted to ear. With this sensor the power is saved and accidental dialing is prevented.

The display is automatically brightens the iPhone by the ambient light sensor when the sunlight or bright rooms and dims in darker places. 

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Q:

What are major types of networks and explain?

Answer

Server-based network: Provide centralized control of network resources and rely on server computers to provide security and network administration.


peer-to-peer network: computers can act as both servers sharing resources and as clients using the resources.

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Q:

What is hierarchy relationship in a dimension. whether it is: 1) 1:1 2) 1:m 3) m:m

Answer

1:m

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Q:

Where are cookies actually stored on the hard disk?

Answer

The storage of cookies on the hard disk depends on OS and the browser. The Netscape navigator on Windows, the file cookies.txt contains all the cookies. The path is :


c:\Program Files\Netscape\Users\username\cookies.txt


 


The Internet Explorer stores the cookies on a file by name username@website.txt is


c:\Windows\Cookies\username@Website.txt

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Q:

How to create arrays in JavaScript?

Answer

Arrays are created by using new Array() in Java Script.


For example : var employees = new Array();


The elements to this array is assigned as follows :


employees[0] = "Kumar"


employees[1] = "Fedrick"

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Q:

How do you load data from XML file to a ORACLE table?

Answer

You need to first create a table in oracle that matches with the fields of the XML data.


So to get the XMl into the table, you can create a generic procedure that moves an XML document into a table by converting the elements to Oracle Canonical format.


Oracle Canonical format is as follows:


<ROWSET>


   <ROW>  


     <column_name_1 />


     .


     .


     </ROW>


     <ROW>


         <column_name_1 />


         .


         .


      </ROW> 


        .


        .


</ROWSET>        


ROW is used for the table names


ROWSET is used for the XML document


You can get the XML into the canonical form using XSL:


<?xml version="1.0"?>


<xsl:stylesheet 


             xmlns:xsl="https://www.w3.org/1999/XSL/Transform"                   


             version="1.0">


     <xsl:template match="/">


          <ROWSET>


               <ROW>


                         <Attribute_name>                      


                             <xsl:value-of select="Table_name/Attribute_name" />


                         </Attribute_name>


                < /ROW>


          </ROWSET>


     </xsl:template>


</xsl:stylesheet>


To transform the XML document into the canonical form, you can write a procedure. Make sure you include the line below in your procedure code:


v_rows := DBMS_XMLStore.insertXML(


                v_context,    


                XMLType.transform(p_xml_in, p_xsl_in));


The only remaining step is calling your procedure: 


DECLARE


   v_xml XMLType := XMLType( YOUR XML Document );


   v_xsl XMLType := XMLType( YOUR XSL Document );


BEGIN 


   procedure_name(v_xml, v_xsl, 'table_name');


END;

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