Informatica Interview Questions ALL-Interview.com Click on the Question to read answer and report incorrect category/incorrect Questions or answers How to list Top 10 salary, without using Rank Transmission? what is the economic comparison of all the Informatica versions? what is Data Ware Housing? How to create slowly changing dimension in informatica? How do you handle two sessions in Informatica How to implement de-normalization concept in Informatica Mappings? Do v use any tool for Handling Performance tuning in real time? What's the difference between source and target object definitions in Informatica? What is the advantages of converting stored procedures into Informatica mappings? What is the purpose of using UNIX commands in informatica. Which UNIX commands are generally used with informatica? Explain about scheduling real time in informatica What is the difference between SQL Overriding in Source qualifier and Lookup transformation? How do you define fact less Fact Table in Informatica? Does Informatica provide a SAS exit in any of its products? What is the role/use of unix in informatica What is informatica What is informatica power how much hike in the 6th pay commission for my basic pay of rs.5500? Difference between data mining and data warehousing What is MODEL is Data mining world? How can we load the normalized data ( Vertical data) to (Horizontal data)with out using decode in the expression
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Informatica Interview QuestionsALL-Interview.comClick on the Question to read answer and report incorrect category/incorrect Questions or answers
How to list Top 10 salary, without using Rank Transmission?
what is the economic comparison of all the Informatica versions?
what is Data Ware Housing?
How to create slowly changing dimension in informatica?
How do you handle two sessions in Informatica
How to implement de-normalization concept in Informatica Mappings?
Do v use any tool for Handling Performance tuning in real time?
What's the difference between source and target object definitions in Informatica?
What is the advantages of converting stored procedures into Informatica mappings?
What is the purpose of using UNIX commands in informatica. Which UNIX commands are generally used with informatica?
Explain about scheduling real time in informatica
What is the difference between SQL Overriding in Source qualifier and Lookup transformation?
How do you define fact less Fact Table in Informatica?
Does Informatica provide a SAS exit in any of its products?
What is the role/use of unix in informatica
What is informatica
What is informatica power
how much hike in the 6th pay commission for my basic pay of rs.5500?
Difference between data mining and data warehousing
What is MODEL is Data mining world?
How can we load the normalized data ( Vertical data) to (Horizontal data)with out using decode in the expression
How/where can i install Informatics software with oracle or teradata as database
How to transform normalized data to denormalized form in informatics? Is there any logic or any transformations to achievethis?
why do we go for update strategy tr in SCD rather using the session properties?
How many mapplets u have created? and what is the logic used
LOOKUP Condition is nothing but a Join condition? What type of join condition it,by default?Using the Look UP ConditionHow many types of relational conditions we can make
Dependency Errors in Informatica?Do u got any dependency problems while running session?
What is Throughput in Informatics,How it works, Where I can find this option to check?
Please explain in detail with example about 1.Confirmed Dimension. 2.Junk Dimension. 3.Degenerated Dimension.4.Slowly changing Dimensions
How can i catch the Duplicate Rows From Sorter Trans in a Separate Target Table ?
how can we perform incremental aggregation?explain with example?
difference between shortcut and reusable transformation
difference between source based commit? and target based commit? which is better with respect to performance?
What is Target Update Override? What is the Use ?
What is a Shortcut and What is the difference between a Shortcut and a Reusable Transformation?
why sequence generator should not directly connected to joiner transformation ?
How to create a mapping ? id date 101 2/4/2008 101 4/4/2008 102 6/4/2008 102 4/4/2008 103 4/4/2008 104 8/4/2008 O/P- shuould have only one id with the min(date) How to create a mapping for this
How Schedule the Informatica job in "Unix Corn Scheduling tool" ?
How upload the Mainframe source For Informatics ?
what is the difference between persistence and dynamic caches? On which conditions we are using these caches?
Change Data Capture in Informatics,using Incremental Aggregation.How we identify the these data in Target table.
What are set operators in Oracle
what is the Source File limitation in Informatica?how many flat file we can use as a source in a mapping if.. 1) The Structureof flat files are same & 2) If the Structure of flat files are different
How generate Sequence Numbers to Target Table (with out using Sequence Gen Trans,Rank Trans).
How scd will work ?
When we load flat files into target tables how do we identify duplicates? and where do load the duplicate records for furtherreference?
How do we do change data capture? Is this Slowly changing Dimension technique?
What is the difference between Connected and Unconnected Look up Transformation.Give one or two examples
what are the difference between active and passive transformation with some examples.
What is a flat file and how to use flat file in informatica
What is a surrogate key?Why we use it in a mapping?
How Union Transformation is an Active Trans
What are partitions in informatics and which one is used for better performance?
when we develop a project what are the performance issue will raise??
if a table have INDEX and CONSTRAINT why it raise the performance issue bcoz when we drop the index and disable the
what are UNIX commands frequently used in informatics?
what is diff between grep and find
Can we use different look up transformations for a same look up table (look up condition may or may not be same)withdifferent output ports?How the cache files will be affected?
Diff B/W MAP Parameter,SESSION Parameter, Database connection session parameters.?Its possible to Create3parameters at a time?If Possible which one will fire FIRST?
Which is costliest transformation? costly means occupying more memory?
how to run two work flow(not a sessions) sequentially, what is the process. explain detailed information.
how to run 2 work flows sequentially. respond what is the process?
what is the monster dimension give me one example
Which gives the more performance when compare to fixed width and delimited file ?and why?
What are the challenges of Data Warehousing in the future?
why we use source qualifier transformation?
when we go for unconnected look up transformation? and why?
installation procedure for power center 8.1.1 especially domain_con fig how to use parameter files
Is it passive or active when check and unchecked the box of DISTINCT in Sorter transformation? why?
explain about sales project in informatica
After we make a folder shared can it be reversed?Why?
Transformer is a __________ stage option1:Passive 2.Active 3.Dynamic 4.Static
how do u get the first record from 50,000 records ?
in which situations do u go for sequence generator ?
in which situations do u go for scds ?
in which situations do u go for starflake schema ?
in which situations do u go for snowflake schema ?
What is Use of Factless Fact Table ? Why we use Factless Fact Schema in the Projects?
WHAT IS TEXT LOAD?
HOW DO U IMPLEMENT SCHEDULING IN INFORMATICA?
WHAT IS THE MEANING OF UPGRADATION OF REPOSITORY?
What is the actual work done in Development and in the production depts in building a data warehouse. Which dept is moreinteresting and career oriented
how to duplicates from expression transformation without using sorter before that
difference between stop and abort
how can v eliminate duplicate values from look up without overriding sql?
can we update records in target using update strategy without generating primary key ? explain
if we have duplicate records in a table temp n now i want to pass unique values to t1 n duplicate values to t2 in singlemapping?how
how do u use sequence created in oracle in informatics? Explain with an simple example
what is dimension table?
what is fact table?
whether Sequence generator T/r uses Caches? then what type of Cache it is
what is shared Cache. when we will use shared Cache?
explain different types of modeling.
how u know when to use a static cache and dynamic cache in look up transformation.
In real time scenario where can we use mapping parameters and variables?
By using Filter Transformation,How to pass rows that does not satisfy the condition(discarded rows) to another target?
THREE DATE FORMATS R THERE . HOW TO CHANGE THESE THREE INTO ONE FORMAT WITHOUT USINGEXPRESSION TRANSFORMATION ?
A TABLE CONTAINS SOME NULL VALUES.HOW TO GET (NOT APPLICABLE(NA)) IN PLACE OF THAT NULL VALUEIN TARGET?
ONE FLAT FILE IS THERE WHICH IS COMMA DELIMETED,HOW TO CHANGE THAT COMMA DELIMITER TO ANYOTHER AT THE TIME OF RUNNING?
two tables from two different databases r there,both having same structure but different data,how to compare these twotables ?
TWO FLAT FILES ARE THERE , EACH HAVING NO MATCHING COLUMNS . HOW CAN U JOIN THESE TWO USINGJOINER TRANSFORMATION ?
IN SCD TYPE 1 WHAT IS THE ALTERNATIVE TO THAT LOOKUP TRANSFORMATION ?
explain how to use Normalizer transformation for the following scenario Source table | Target Table | Std_name ENG MATART | Subject Ramesh Himesh Mahesh Ramesh 68 82 78 | ENG 68 73 81 Himesh 73 87 89 | MAT 82 87 79 Mahesh 81 7964 | ART 78 89 64 | explain what should be the normalizer column(s) The GCID column 2)Also explain the Ni-or-1 rule.
what is Fact table Partitioning?
How to use the Oracle Analytic functions in Informatica
WHAT IS FACT TABLES?
WHAT IS UPDATE OVERRIDE,DIFFERENCE BETWEEN SQL OVERRIDE AND UPDATE OVERRIDE ?
HOW DO YOU CONNECT TO REMOTE SERVER?
WHAT IS THE NAME OF THAT PORT IN DYNAMIC CACHE WHICH IS USED FOR INSERT,UPDATE OPERATION ?
HOW DO YOU PERFORM INCREMENTAL LOAD?
what are the reusable tasks in informatica ?
if a session is failed after a transformation,from where that session will run again , i.e . from beginning or from thattransformation
what is the function of 'F10' informatica?
HOW TO GET THE LATEST DATA IN SCD ?
two types of data are there ,one is mainframe and the other is ASCII format . in informatica how can you get both the data ina single format in ASCII .
in unconnected look up , what are the other transformations , that can be used in place of that expression transformation ?
what are the transformations that are used in data cleansing ? and how data cleansing takes place ?
how many Fact Tables and Dimensions Table you have used in the Project? Which one is loaded first Fact Table orDimensions Table into the warehouse? What is the size of the Fact Table and Dimension Table? what is the size of thetable and warehouse
Is Flat File Contains the Dynamic Cache
what r the transformations that r not involved in mapplet?
What are differences between Informatica 7.1 and 6.1
Can you use one mapping to populate two tables in different schemas
How do you take care of security using a repository manager
if the session fails after 100 records again we have to starts the session or we go for recovery session
how the server recognizes , if the session fails after loading the 100 records in to the target
what is the difference between onsite & client site?
what is unit testing & how it is done?
what is metadata?
how do u tune queries?
what is scd?
difference between connected and unconnected lookups?
what happens when a batch fails?
what is parallel querying and what r hints
what r the values that r passed between informatics server and stored procedure?
Tell us about a time when you failed to meet a deadline. What were the repercussions?
If you get a Opportunity to go with a reputed company which is ready to pay more than what we r going to pay here.Will youquit the job from here or what?
Can you work well under deadlines or pressure?How?
what is your goal of life?
WHAT IS YOUR SALARY EXPECTATION?
why do you want to work here?
what is your memorable day
tell me about your ideal person and why?
What would be your advantage in the future if you join now?
How much salary do you want?
What types of people do you get along with and why.
Why did you choose this career?
How do you plan to achieve these goals?
how do you manage your stress
Why do you think you do well?
What are things most important to you in your job?
In your last job,what would be the one thing that your peers most disliked about you?
What qualities do you think make someone successful in business?
Give us details of your present Employment Status.
How soon can you travel down to any location posted to?
how can you hire me when i have no experience?but i have ability to work for your company
in your opinion,how many these weaknesses be addressed?
why should we give you this job?
why you would like to be considered for this role
how do you see yourself after two years from now
why you have left this job?
what are your current weaknesses?
why do you think you are fit for this job,you don't have experience,i don't think you are fit for a job
What do you expect for your salary?Is this negotiable?
How would your friends describe you?
what is your favorite personality
Why are choosing this company instead of other company?
WRITE AT LEAST FOUR STRENGTHS
how long will u work here
what do you consider to be your most significant achievement?what difficulties did you encounter in realizing theachievement and how did you overcome them
what examples can you give that emphasize your interest in this kind of work
What shall i do if i do not like some people at my office place . how shall i handle this kind of situation ?
how long would you like to stay with this company?
how do you rate yourself as a professional?
tips for successful interviews
how did you spend your last weekend
What is the difference between doing a good job and doing a great job?
what is the best possible answer of "why do you want to change"
How shall i react if i do not like some people in our office
why do like to work with us
what is your daily routine
how can i explain my project
How long would you expect to work for us if hired?
what motivates you ,money or work?
Could you please introduce yourself?
What attributes can you bring to this position?
what initiative you did in last company as you worked for 3 years?
Hi, Recently i have resigned a job. what i have to tell for the new employer that if he asks why you have resigned yourprevious job.i have worked there for 10 months.
WHY DO YOU WANT TO LEAVE YOUR PRESENT JOB?
what value you will add to our company if you are selected
why looking for job change within 6 months
what makes you different from other candidates?
WHAT IS THE DIFFERENCE BETWEEN HARD WORK AND SMART WORK?