Interview Questions

CDATA - (Unparsed) Character Data

The term CDATA is used when you dont want some text data to be parsed by the XML parser.

A CDATA section starts with "<![CDATA[" and ends with "]]>": 

It is a single computer in a network reserved for serving the needs of the network.

1.Patience:If you deal with clients on a daily basis, be certain to stay patient when they come to you confused and frustrated, but also be clear to take the time to truly find out what they need — they'd rather get good service than be rushed out the door!

2. Attentiveness: The capacity to surely listen to customers is so crucial for presenting extremely good service for a number of reasons.

3.Communication Skills: When it comes to crucial points that you want to relay clearly to customers, keep it easy and leave not anything to doubt.

4.Knowledge of the Product: Not knowing your product from front-to-back, you might not know how to solve customer issues when they run into problems.

5.Willingness to Learn: Those who don't show to enhance skills what they do, whether it's helping customers, marketing businesses, or building products, will get left behind by the people willing to put money into their skills.

6.Ability to Use "Positive Language":

    Without positive language: "I cannot get you that product until next month; it is back-ordered and unavailable presently."

    With positive language: "That brand will be available coming month. I can place the order for you immediately and make sure that it is posted to you as soon as it reaches our war

These are accessibility modifiers. Private is the most restrictive, while public is the least restrictive. There is no real difference between protected and the default type (also known as package protected) within the context of the same package, however the protected keyword allows visibility to a derived class in a different package.

To send the characters that can not be specified in a URL should be converted into their equivalent hex encoding. To perform this task the methods encodeURI() and decodeURI() are used.

For example, the following code snippet performs the encoding of URL:

<script type="text/javascript">

          var uri = https://www.mysite.com/city?=Banglore; // original URI

          var ncodeuri=encodeURI(uri);

          document.write("<br />ncodeuri”);

          var dcodeuri = decodeURI(ncodeuri); 

          document.write(“<br>/>dcodeuri”);

</script>

A unique constraint on a column uniquely identifies the record by a combination of one or more fields. Few unique constraint fields can have a NULL value as long as the combination of values is unique.

Example:
create table employee ( id number NOT NULL, dob DATE, professor_id NOT NULL, Name varchar(200) Constraint id_unique UNIQUE(id,dob) );

Web browser is a software application used to locate,retrieve and display content on the World Wide Web, including Web pages, images, videos and other files.

Examples : Microsoft Internet Expiorer , Mozilla Firefox , Google Chrome, Opers , Safari etc...

The JDBC Driver provides vendor-specific implementations of the abstract classes provided by the JDBC API. This driver is used to connect to the database.