This dummy port will always return 1 for each row. A user must go to the Transformation tab and checkmark the ‘Select Distinct’ option. Column A o_count o_total_records After this assign this variable port to output port. Hi Hanumantha Rao,The solution give by Tamilarasan works fine without any issues. Column A o_count o_total_records Create a dummy output port for same expression transformation and assign 1 to that port. If offers products for ETL, data masking, data Quality, data replica, data virtualization, master data management, etc. When two tables from the same source database with primary key – foreign key transformation relationship is there then the sources can be linked to one source qualifier transformation. In this Informatica interview questions list, you will come to know the top questions asked in the Informatica job interview. The property sorted input should be checked in joiner transformation. -->First mapping is in one repository and second in another repository-->Both the mappings load 1 target table-->Now, the question is I need to generate the 'Surrogate key' column in my target table-->How it is possible? Below are some questions which will be helpful when you attend an interview on Informatica. TIP #3 – The best way to prepare for scenario-based and situational interview questions is to prepare answers to every job interview question listed on this page. Also, research the company , so you have a good sense of some of the challenges it faces as well as the work style and product. Can u give me some more scenarios for practising and for interview purpose. EXP – Expression transformation create an output port Karishma 3 5 Informatica Scenario Based Interview Questions with Answers for experienced Part 2 Informatica Scenario Based Interview Problems with Answers - Part 2. Informatica MDM Interview Questions Generate row numbers using expression transformation by creating a variable port and incrementing it by 1. super its very happy to see this thaks and thank u very much. If data is not sorted then it needs to be sorted first. Group 2 connected to TGT_NOT_NULL ( Expression O_FLAG=’NNULL’). Informatica Scenario Based Interview Questions with Answers for experienced Informatica Scenario Based Interview Problems with Answers - Part 1. These informatica scenario interview questions helps you a lot in gaining confidence in interviews. Source qualifier transformation is used to represent rows that Integration service reads in a session. Question3: What are the different lookup cache? Keeping this in mind we have designed the most common Informatica Scenario based Interview Questions and Answers to help you get success in your interview. IDQ Interview Questions and Answers - 300+ real time interview questions with scenarios Informatica Data Quality Check the sample and general questions about basics of Data Quality, Profiling and Data Quality Managment 3. Filtering rows when Integration service adds a where clause to the user’s default query. Every row is inserted in the target table because it is marked as default. Karishma When for some tables this is not possible then a user can create a stored procedure and then join the tables in the database. @TamilarasanYes even i thought same. 6/15/2011. After expression transformation, the ports will be as –, Variable_count= Variable_count+1 By the way I was asked by an interviewer today ;)Thanks,Nagaraj. Searching online may even reveal other candidates offering a glimpse into the interview … ... Informatica Scenario Based Interview Questions with Answers - Part 1. If you study the Informatica interview questions and answers hard and show great motivation during the actual job interview, you can expect to join the ranks of such administrators. Ans: Informatica is a Software development company, which offers data integration products. 250+ Informatica Interview Questions and Answers, Question1: What can we do to improve the performance of Informatica Aggregator Transformation? ramayan to nayamar using any transformation .OR how can we remove duplicate value from source table when we are loading it to TARGET.Please help me, V_curr_productO_count=V_counthere v_curr_product OR o_count v define what and O define what, @Amit SinghHere V for Variable Port and O for Ouput Port, @Amit Singh1. Use ascending sorter transformation on the counter column to get in the same order as in input file. These interview questions are prepared by the Teradata experts and asked during many Teradata interviews. 1. Top 50+ Informatica Interview Questions (Freshers/Experienced) 2020. NULL NULL 15000 Mumbai 451021. Normaliser Transformation is the best solution for this , but can also try using five expression Transformation , u have to just drag each column from SQ to one Exp tranformation such that all expression tranformation have only one column each , drag the output of all expression transformation to five instances of same target. If a user chooses to find a distinct value then integration service uses select distinct to the specified query. ");}else{ System.out.println("Bad record outside loop");}System.out.println("c_name.length="+c_name.length);System.out.println("c_name_lkp.length="+c_name_lkp.length);System.out.println("flag_val="+flag_val);System.out.println("flag_index="+flag_index);}}, Unix Sed Command to Delete Lines in File - 15 Examples, Delete all lines in VI / VIM editor - Unix / Linux, How to Get Hostname from IP Address - unix /linux, Informatica Scenario Based Interview Questions with Answers - Part 1, MuleSoft Certified Developer - Level 1 Questions, Design/Implement/Create SCD Type 2 Effective Date Mapping in Informatica, Mail Command Examples in Unix / Linux Tutorial. 4. These section of question and answers will assist you to solve your Informatica MDM Job Interview. MuleSoft Certified Developer - Level 1 Questions. Informatica Interview Questions and Answers. Expression and filter transformation can also be used to identify and remove duplicate data. 2. Once you learn all these Q&A, you can able to crack the Deloitte, l&, Infosys, CTS, TCS company interview easily. This has been a guide to List of Informatica Scenario based Interview Questions and answers so that the candidate can crackdown these Interview Questions easily. Sathish : For the 3rd question we can also use rank transformation after the sequence generated. Informatica is the world’s most popular data integration tool. It is an easy way to get last 3 values but what if you don't know the number of columns? Solution 1: In the expression transformation, create a variable port and increment it by 1. The Normalizer Transformation with only one field created in Normalizer tab and setting the occur count to 4. Answer: Doesn't matter whether the transformation caches the data or not.Thanks,Vijay. Top Informatica Interview Questions and Answers 1. This cache is updated as and when data is read. For sorted joiner transformation, a source with less duplicate key values should be considered as a master source. If a user wishes to find duplicates in the entire column then all ports should be selected as a group by key. 150 Unix Interview Questions And Answers 4. A Collection of informatica scenarios, asked in interviews or required in realtime. Dummy_output=1, The output of this transformation will be : A data warehouse blog contains examples,interview questions and tutorials on Sql,Oracle Plsql,Unix Commands,Linux Commands,Informatica and Netezza. Question2: How to Delete duplicate row using Informatica? Joiner transformation condition will be as follows: Data should be sorted before applying join whenever possible. 1. Happy reading. Create a counter column using Expression Transformation.2. I have a requirement in informatica as belowSource is having a string column which is holding country names separated by commas as US, UK, IND, PAKFrom other source data coming from lookup is having same kind of data I. e., country names separated by commasRequirement is to generate a error code when ever there is a mismatch in the list of countries that means both the countries should match. If in the source database there are duplicates, a user can use the property in source qualifier. This comment has been removed by the author. 3. It will be inserted with sequence numbers automatically with new records. Solution: In the expression transformation, create a variable port and increment it by 1. Nupura 5 5, Answer: ID: PERSONAL_SALES: 10: 40000: 20: 80000: 30: 40000: 40: 60000: 50: NULL: 60: 50000: Q 8.1. Column A O_count Dummy_output 150 Oracle-SQL Interview Questions And Answers 3. Now that you are just one step away to land a job in your dream job, you must prepare well for all the likely interview questions. Nupura 5 5, Step 4: After the joiner transformation we can send this output to filter transformation and specify filter condition as O_total_records (port from aggregator)-O_count(port from expression) <=2, The filter condition, as a result, will be By closing this banner, scrolling this page, clicking a link or continuing to browse otherwise, you agree to our Privacy Policy, 7 Online Courses | 47+ Hours | Verifiable Certificate of Completion | Lifetime Access, Data Visualization Training (15 Courses, 5+ Projects), Cloud Computing Training (18 Courses, 5+ Projects), Maven Interview Questions and Answers | Top And Most Asked, 10 Advanced AngularJS Interview Questions for Experienced, 12 Most Awesome Selenium Interview Questions And Answer, Amazing Guide to Informatica Architecture, Complete Guide to Informatica vs Datastage, Transformations in Informatica with Example, Informatica Scenario Based Interview Questions. #3Source1: US, UK, IND, PAKSource2: US, UK, INDBad record#4Source1: US, IND, PAKSource2: US, UK, IND, PAKBad recordFor all bad record scenarios we can populate error and come out but for Good record it should be matched with all countries available in other source and only if it is matched we need to take that record forwardPlease help me on how to achieve this in informatica. How to generate sequence / incremental numbers in Informatica? Hi,There is a property in flat file for assigning dynamic name to target flat file,by using that property and expression we can acheive ur target.Regards,Goutham. For more details on below questions and answers contact me: Mail Id: informaticatrainer.expertise@gmail.com 1. You can easily crack the interview with help of these questions. Practice your answers to common interview questions. What are the advantages of Informatica over other ETL tools? 4. The final output of this step will have dummy port with value as 1 and O_total_records will have a total number of records in the source. When the data we need to filter is not a relational source then the user should use Filter transformation. This interview insight you to clear the technical interview help you to clear the technical interviews. You can join two branches of the same pipeline when the source data is in sorted order. Informatica Interview Questions. Answer: Hi,My name is Nagaraj, I have a scenario:-->There are 2 mappings, both run at the same time. i gotta clear picture on this scenario. I HAVE ONE SCENARIO.SOURCE : ENO,ENAME1 A1 XX2 B2 YY3 CTARGET1 : TARGET2 :ENO,ENAME ENO,ENAME 1 A 1 XX2 B 2 YY3 C. First use expression tran and in this calculate the length of ENAME and then sort ,then use the router tran with condition len_column =1 then sotore in Target 1 and default in Traget 2. The topics you will learn here include the difference between a database and a data warehouse, Informatica Workflow Manager, mapping.. The aggregator output will be: O_total_records, Dummy_output Whether it be simple queries or Informatica scenario-based interview questions - don’t neglect them and try to learn everything possible about Informatica. Here Mindmajix shares top real-time Teradata questions. i'm not too sure but would it be possible to do it this way:step 1: -------in the source qualifier write a sql override asselect col1,col2,...,(select count(*) from src1) AS COUNT from src1 this would give you the total col count for everyrow.Step2:--------pass all rows to expr transfgenerate row numbers for each row within the expr tranf itself (using v_count/o_count method)so, o_count gives row number for each row and COUNT gives total number of rowsStep3:------connect to routergrp1 condition : o_count>(COUNT-3)connect grp1 to targetThis passes the last 3 records. He has clearly mentioned about the join... Really help full, appreciate your work and thanks a lot, superb........thanx alot plz post latest scenario's, For getting the last 3 records i am thinking of the following option.1) in a expression transformation, create a counter and assign numbers starting from 12) have a sorter transformation and sort the records on counter column in descending order3) in the next expression transformation have one more counter column and assign numeric sequence.4) have a filter trans to filter out the records whose counter value is greater than 3. The target table also has table structure as a source. Here is another solution:1. 4. Use REVERSE( string ) in expression transformation to reverse a string.2. ALL RIGHTS RESERVED. In today’s scenario, INFORMATICA has achieved the tag … For candidates and students looking for all important information and details regarding informatica scenario based questions then the best place to be is this particular website. 5 1, Step 3: Pass this output to joiner transformation and apply a join on dummy port. Here is the best realtime tableau scenario based interview questions and answers for freshers, admin, designer, developer or 3, 4 experienced professionals. Q16.How can one identify whether mapping is correct or not without connecting session? Priya 2 5 We also have another Informatica Interview questions wherein scenario based questions have been compiled. © 2020 - EDUCBA. please keep share your excellent thought's. According to research Informatica has a market share of about 29.4%. Hi Vajay,I am sorry for creating confusion....The above will works fine.ThanksHanu. Update strategy is used whenever the row has to be updated or inserted based on some sequence. 2. Informatica Powercenter ETL/Data Integration tool is a most widely used tool and in the common term when we say Informatica, it refers to the Informatica PowerCenter tool for ETL. When sorted ports are specified then the integration service uses order by clause to the default query. Suppose the flat file in consideration has below data: This has been a guide to List of Informatica Scenario based Interview Questions and answers so that the candidate can crackdown these Interview Questions easily. A new output port should be created as O_total_records in the aggregator and assign O_count port to it. 20+ scenario based interview questions with answers for beginners and experienced users in Linux. So you have finally found your dream job in Informatica but are wondering how to crack the Informatica interview and what could be the probable Informatica Scenario Based Interview Questions. When a property in Lookup transformation is changed to use Dynamic cache, a new port is added to the transformation. When a user wants an outer join instead of an inner join, then join information is replaced by metadata specified in SQL query. we can not write a SQL override on a Flat file source. Answer: The mapping can be as: SQ –> EXP –> RTR –> TGT_NULL/TGT_NOT_NULL The user can also use Sorter with Sort distinct property to get distinct values. Please find below scenarios#1Source1: US, UK, IND, PAKSource2: US, UK, IND, PAKGood record#2Source1: US, UK, IND, PAKSource2: IND, PAK, US, ukGood record, case insensitive and no need to be in same order. Top 48 informatica scenario based interview questions. Snehal 4 5 How to generate sequence numbers using expression transformation? It is an active transformation. The above logic is absolutely fine. Karishma 3 5 The aggregator will return the last row. public class Testarray{public static void main(String args[]){String c_name[] = {"US","UK","IND","PAK"};String c_name_lkp[] = {"IND","US","UK","PAK"};int flag_val = 0;int flag_index = 1;if (c_name.length == c_name_lkp.length){ for(int i=0;i