Interview Questions

Q:

What are the main advantages and disadvantages of Fiber-Optic-based networks?

Answer

Advantages      : More efficient and quality of service is better.


Dis advantages: Expensive, complicated

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Q:

Define PL/SQL sequences and write syntax for a sequence

Answer

A sequence is a database object that is used to generate sequential number.


CREATE SEQUENCE seqname [increment] [minimum value][maximum value][start][cache][cycle]               Nextval and currval lets us get the next value and current value from the sequence.

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Subject: Oracle

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Q:

Marketing refers to -

A) Execution of sales B) Planning sales campaigns
C) Advertising and promotions D) Philosophy that stresses customer value and satisfaction
 
Answer & Explanation Answer: D) Philosophy that stresses customer value and satisfaction

Explanation:
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Filed Under: Marketing and Sales

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Q:

How do we Tune the BO Reports for Performance Improvement?

Answer

We can tune the report by using index awarness in universe

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Q:

Explain about services in Angular.js ?

Answer

In angular.js services are the singleton objects or functions that are used for carrying out specific tasks.
It holds some business logic and these function can be called as controllers, directive, filters and so on.

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Subject: Web Technology

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Q:

What is the difference between primary key & unique index ?

Answer

Primary key : a relational database constraint. Primary key consists of one or more columns that uniquely identify a row in the table. For a normalized relation, there is one designated primary key.


Unique index: a physical object that stores only unique values. There can be one or more unique indexes on a table.

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Q:

What is Bull Market?

Answer

Bull market is that market where stock value are expected rise and people will have tendency to sell their stock so as to earn profit out of it. Thus sudden push from the suppliers will gradually niutalise the market.


 

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Subject: Finance

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Q:

What is the use of CSS sprites?

Answer

- A web page with large number of images takes a longer time to load. This is because each image separately sends out a http request.


- The concept of CSS sprite helps in reducing this loading time for a web page by combining various small images into one image. This reduces the numbers of http request and hence the loading time.

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Subject: Web Technology

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