Interview Questions

Q:

How to write Regression test cases? What are the criteria?

Answer

Regression test cases are also based on the requirement documents. They are written more into detail and with every release (build), the testers need to do regression testing. The criteria for regression testing are; there should be no major defects while we do our smoke test and functional testing.

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Subject: QA Testing

0 3829
Q:

What does inheriatance allows you to do?

A) create a class B) access methods
C) create a hierarchy of classes D) None of the mentioned
 
Answer & Explanation Answer: C) create a hierarchy of classes

Explanation:
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Filed Under: C++

1 3828
Q:

Can you explain how to insert an image in table in oracle?

Answer

Insert image into a table


Create the following table:


      create table pics_table (


      bfile_id number,


      bfile_desc varchar2(30),


      bfile_loc bfile,


      bfile_type varchar2(4))


      TABLESPACE appl_data


      storage (initial 1m next 1m pctincrease 0) 


Insert Query:


      INSERT INTO pics_table


      VALUES(4,'test image',bfilename('GIF_FILES','Test.JPG'),'JPEG'); 

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Subject: Oracle

2 3821
Q:

Where is the reference stored?

A) stack B) heap
C) queue D) None
 
Answer & Explanation Answer: A) stack

Explanation:

Referencee is stored in stack

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Filed Under: C++

1 3821
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.yourname.com"> 


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


- It will load yousite.com in 2 seconds.

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Subject: Web Technology

1 3811
Q:

When is the finalize() called ? What is the purpose of finalization ?

Answer

The finalize method is called by the garbage collector, just before releasing the object’s memory. It is normally advised to release resources held by the object inside the finalize method.

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Subject: Java

1 3808
Q:

What is difference between baseband and broadband transmission?

Answer

In a baseband transmission, the entire bandwidth of the cable is consumed by a single signal. In broadband


transmission, signals are sent on multiple frequencies, allowing multiple signals to be sent simultaneously.

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1 3802
Q:

State the difference between View and Materialized View ?

Answer

The main differenc between View and Materialized View states that -


1. View means it stores the SQL statement in the database and let you use it as a table. Everytime you access the view, the SQL statement executes.


2. Materialized view means it stores the results of the SQL in table form in the database. SQL statement only executes once and after that everytime you run the query, the stored result set is used. Advantage include quick query results.

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