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 Technology Questions

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Q:

What is a PL/SQL Record data type?

Answer

A record data type represents a data type for that row in a database table. It lets u define your own records and not your own fields.

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Subject: Oracle

0 1997
Q:

What are the different objects used in JavaScripts?

Answer

JavaScripts uses a hierarchical structure that applies to the objects in a document. There are some objects that show the relationship of one object to another using the language.

Window object: This is the topmost object in the hierarchy. It represent the content area of browser window that consists of HTML documents. Each frame is also a window that has some actions inside it.

 Document object: This object gets loaded in a window and consists of objects of different kind in the model. It consists of the content that will be written in the script.

 Form object: Form objects are used for more interaction with the users. It represents the form elements inside <FORM>...</FORM> tag.

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Subject: Web Technology

0 1996
Q:

How would you automatically transfer your visitors to a new web page?

Answer

- You can do it with the help of meta tag mentioned below: 


<META HTTP-EQUIV="Refresh" CONTENT="2"; URL="https://www.yoursite.com"> 


- Place this tag between <HEAD></HEAD> . 


- It will load yousite.com in 2 seconds.

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Subject: Application Development

0 1996
Q:

List out few of the applications that make use of Multilinked Structures?

Answer

Sparse matrix,


Index generation

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Subject: Technology

1 1993
Q:

Explain about Blackberry Operating System.

Answer

Research in Motion, a Canadian company provided a proprietary operating system for BlackBerry.

The operating system provides support for Java MIDP 1.0 and WAP 1.2.

The current version supports Novell Group Wise and Lotus Notes.

Third-party software can be developed using BlackBerry APIs as well, with certain restriction functionality must be signed by RIM digitally, so that it can be associated to a developer account. 

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Subject: Mobile Technology

0 1993
Q:

Whats a struct?

Answer

A struct is a special C data type that encapsulates other pieces of data into a single cohesive unit. Like an object, but built into C.

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Subject: Application Development

0 1993
Q:

What is different among String, StringBuffer, StringBuilder?

Answer

String class objects are immutable objects and they represents strings( sequence of characters)


StringBuffer class objects are mutable objects representing strings and they are Thread safe


StringBuild class objects are also mutable objects representing strings and they are not Thread safe

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Subject: Java

0 1993
Q:

What is SVG?

Answer

- SVG is the abbreviation for Scalable Vector Graphics and is recommended by W3C. 


- It is used to define vector-based graphics for the Web


- The graphics are defined in XML format


-An important quality of SVG graphics is that their quality is maintained even when they are zoomed or resized. 


- All the element and attributes of SVG files can be animated

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Subject: Web Technology

0 1992