Interview Questions

Q:

Define PL/SQL. Explain its purpose

Answer

PL/SQL is Procedural Language SQL that is an extension of SQL that results in a more structural language composed of blocks. It is mainly used in writing applications that needs to be structured and has error handling.

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Subject: Oracle

0 2169
Q:

How do you decide when to use ArrayList and When to use LinkedList?

Answer

If you need to support random access, without inserting or removing elements from any place other than the end, then ArrayList offers the optimal collection. If, however, you need to frequently add and remove elements from the middle of the list and only access the list elements sequentially, then LinkedList offers the better implementation.

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Subject: Java

0 2167
Q:

Explain marquee tag.

Answer

Marquee tag: Marquee tag is used when we want that some text or content move in the web page whether horizontally or vertically. 


Syntax of Marquee tag: <marquee>content you want to move</marquee>


Attribute of Marquee tag are: bgcolor, direction, height, width, vspace etc.

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Subject: Web Technology

0 2167
Q:

What guidelines should be followed to write a structured COBOL program ?

Answer

Following guidelines to be following while writing Cobol program:


- Use ? EVALUATE ? statement for constructing cases.


- Use scope terminators for nesting.


- Use in-line Perform statement for writing ?do? constructions.


- Use Test Before and Test After in the Perform statement while writing Do-While statements.

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0 2165
Q:

How many types of Inheritances used in php and how we achieve it?

Answer

As far PHP concern it only support single Inheritance in scripting. we can also use interface to achieve multiple inheritance.

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Subject: PHP

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Q:

What is the CICS LOAD command ?

Answer

The LOAD command retrieves an object program from disk and loads it into main storage - it's primarily used for a constant table that will be available system-wide.


 

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0 2162
Q:

What are the LMHOSTS files?

Answer

The LMHOSTS file is a static method of resolving NetBIOS names to IP addresses in the same way that the HOSTS file is a static method of resolving domain names into IP addresses. An LMHOSTS file is a text file that maps NetBIOS names to IP addresses; it must be manually configured and updated.

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Q:

As a wholesaler what are the problems you would face in ensuring the commitment to your retail suppliers?

Answer

As a wholesaler, applicant should say that he/she would face production problem, growing consumption, not concentrating on important market segment, scale of operations not being proper, delivery to different stores and having some issues with suppliers and not a good relationship with suppliers. I would face these problems in reaching the target commitment to suppliers as a wholesaler.

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Subject: Retail

1 2160