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ColdFusion Interview Questions

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Why is cfml not a real programming language?What is the reasons for this?

Asked By: blenda | Asked On: Jan 14th, 2007

Answered by: Tushar on: Jan 11th, 2013

What is REAL? Is there any VIRTUAL language. Any piece of code that perform some action is a language. How meaningful the action is is a different issue. So binary is as programming language as C, jav...

Answered by: reena chaudhary on: Jul 25th, 2012

No, it is not a real programming language. it is just a markup language.

What happens when the read attribute rights of the coldfusion server to a file is revoked?

Asked By: christia | Asked On: Jan 14th, 2007

Answered by: ambika kar on: Dec 16th, 2011

Revoking read basically takes out all permissions on that file.
In simplest term we cannot load any file (CFM or txt).

What is used to replicate sessions between instances in coldfusion clusters?

Asked By: RajivPrasad | Asked On: Jan 14th, 2007

Answered by: ambika kar on: Dec 16th, 2011

Enterprise level CF applications use separate clustering software with sticky session approach to use multiple webservers clustering. But to use coldFusion clustering for multiple instances ( can be on same server) we need to perform J2EE clustering.

What is the reason for using coldfusion only on the server side.Can coldfusion be used in the client side?

Asked By: timmy | Asked On: Jan 14th, 2007

Answered by: akar on: Dec 15th, 2011

ColdFusion can have client side non-coldfusion codes (Like JavaScript, Jquery). It cannot have client side coldfusion codes.

Answered by: seema Jha on: Jun 26th, 2008

coldfusion is used mostly is serverside because of security reasons only.. But ican be used in client side too

StruCTCopy() and structduplicate()

Asked By: yoosafabdulla | Asked On: Jan 21st, 2011

Explain how struCTCopy() and structduplicate() differ from one another

Answered by: arasu17 on: Feb 10th, 2011

Here we go.There are two types of structure:1. nested structure 2. Simple structure.For 1 st ,copied structure will not have the reference pointing towards the original so if you change the ...

Answered by: arasu17 on: Feb 10th, 2011

The best example is given in livedocs.
Please have a look at it and let me know if you have any doubt.
Post some challenging question
http://livedocs.adobe.com/coldfusion/7/htmldocs/wwhelp/wwhimpl/common/html/wwhelp.htm?context=ColdFusion_Documentation&file=00000635.htm

What option is used to ftp files to or from the coldfusion server?

Asked By: Robert | Asked On: Jan 14th, 2007

Answered by: yoosafabdulla on: Jan 6th, 2011

You may use cfftp tag to access, upload and list files inside a secure ftp server.

Answered by: djoxer on: Oct 13th, 2009

If you already have an FTP account with a remote host, you can use the CFFTP tag to transfer files between your computer and your host right in your ColdFusion application.

D:

What can be used in coldfusion to loop through url or form members?

Asked By: nancyphilips | Asked On: Jan 14th, 2007

Answered by: ajithmanmadhan on: Apr 26th, 2009

We can use cfloop = "collection" attribute to loop over form and url. Form and URl comes in Structure format.

Answered by: lkiranmai on: Feb 24th, 2007

can be used to loop through URL and FORM.

What can be used to facilitate transfer of data to the coldfusion server?

Asked By: Bessie | Asked On: Jan 14th, 2007

Answered by: DeepthiKochu on: May 22nd, 2008

cfqueries can be used

What are the other third party servers which supports coldfusion markup language apart from coldfusion?

Asked By: RyanJames | Asked On: Jan 14th, 2007

Answered by: g_ganesan on: Apr 3rd, 2008

To my knowledge , New Atlanta's   "BlueDragon" is the one which can deploy cf,.net and j2ee application with out their native server.

- Ganesan

Cf database query

Asked By: kunchaparthi | Asked On: Mar 21st, 2008

What is query of query concept?

Answered by: g_ganesan on: Apr 2nd, 2008

Creating a Database Query/Queries that uses the existing query's output without accessing the database tablesfor example:<cfquery>db query reference : #existing query name.ID or name  ....

What can be used to create connections between your coldfusion web sites and databases?

Asked By: SachinDeo | Asked On: Jan 14th, 2007

Answered by: pbaylis on: Feb 26th, 2008

A DSN is used. These are set up in CF administrator and used in query code to connect to a database.

What can be used in coldfusion to control concurrent access to a block of code or a scope?

Asked By: fred | Asked On: Jan 14th, 2007

Answered by: pbaylis on: Feb 26th, 2008

cfapplication can also be used.

Answered by: lkiranmai on: Feb 24th, 2007

is used to block a piece of code.

Is it possible to nest cfml conditional tags?

Asked By: norman | Asked On: Jan 14th, 2007

Answered by: pbaylis on: Feb 26th, 2008

Yes, this is possible for example:

<cfif...>
   <cfif...>
      <cfif...>
     
  

Answered by: piyush on: Aug 18th, 2007


The example of nesting of cfml loop while grouping the emloyees through department..one cfoutput loop is nested inside the other...

Does coldfusion application support both client and session variables. If not provide the reason for the same?

Asked By: Remasri | Asked On: Jan 14th, 2007

Answered by: sameeksha on: Oct 18th, 2007

Yes it supports both .. client as well as session variables

What are the databases that are supported by coldfusion applications?

Asked By: StephenRaj | Asked On: Jan 14th, 2007

Answered by: Richa on: Mar 3rd, 2007

All relational and non relational databse like Oracle,MSAccess,mysql

What is the function that can used in coldfusion for getting the value out of a dynamically named variable?

Asked By: sripri | Asked On: Jan 14th, 2007

Answered by: lkiranmai on: Feb 24th, 2007

A variable can be declared dynamically and evaluated using the function EVALUATE()

What are the types of lock supported by <cflock>?

Asked By: scott | Asked On: Jan 14th, 2007

Answered by: lkiranmai on: Feb 24th, 2007

supports two differnt types of lock, EXCLUSIVE and READONLY. An EXCLUSIVE lock prevents access by any other code and READONLY is more of a flag that marks a block of code that will only be executed if there is no active EXCLUSIVE lock.

What can be used to transfer files between a client browser and coldfusion?

Asked By: fred | Asked On: Jan 14th, 2007

Answered by: lkiranmai on: Feb 24th, 2007

the safest way to trasfer files from a client computer to coldfusion is to use Http file upload.

What is the usage of cfdirectory in coldfusion?

Asked By: janelyn | Asked On: Jan 14th, 2007

Answered by: lkiranmai on: Feb 24th, 2007

is used for directory access and manipulation. Using ACTION="list" we can get date,time,size and file attributes.

What is the extension with which the cfml gets saved in files?

Asked By: joel | Asked On: Jan 14th, 2007

Answered by: lkiranmai on: Feb 24th, 2007

it is .cfm

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