Interview Questions

Q:

In a DB2-CICS program which acts as co-ordinator and which is the participant?

Answer

DB2 acts as the participant and CICS acts as a co-ordinator


 

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Q:

What is the use of overriding?

Answer

- By using method overriding a sub class can change the definition of super class method.


- By using overriding a sub class can modify the functionality of the super class.

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Subject: Java

0 2195
Q:

Explain about roll area , Dispatcher, ABAP-Processor.

Answer

Dispatcher recieves the request from client and assigns the request to one of the work process.
Roll area: Each workprocess works in a particular memory that memory is known as Role Area, which consists of User context and session data.
ABAP- Processor :is an interpretor which can execute logic

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Subject: ABAP

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Q:

What is the use of super call?

Answer

By using super call we can call super class constructors  from sub class constructors and we can initialize super class private data.

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Subject: Java

0 2193
Q:

How can we know the number of days between two given dates using php?

Answer

<?php
$tomorrow = mktime(0, 0, 0, date("m") , date("d")+1, date("Y"));
$lastmonth = mktime(0, 0, 0, date("m")-1, date("d"), date("Y"));
echo ($tomorrow-$lastmonth)/86400;
?>

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Subject: PHP

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Q:

What are encryption functions in PHP?

Answer

CRYPT(), MD5()

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Subject: PHP

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Q:

What is a sub query? What are its various types?

Answer

- Sub Query also termed as Nested Query or Inner Query is used to get data from multiple tables.
- A sub query is added in the where clause of the main query.

There can be two types of subqueries:
a.) Correlated sub query :
- It can reference column in a table listed in the from list of the outer query but is not as independent as a query.
b.) Non-Correlated sub query :
- Results of this sub query are submitted to the main query or parent query.
- It is independent like a query

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Subject: Oracle

0 2192
Q:

What are the benefits of Automated Testing?

Answer

The benefits of Automation Testing are below:


 


- Test engineer productivity.


- Coverage of regression testing.


- Reusability of test cases.


- Consistency in testing.


- Test interval reduction


- Reduced software maintenance cost


- Increased test effectiveness

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Subject: QA Testing

0 2191