Top 50 Informatica Interview Questions & Answers . Lets take further deep dive into the Informatica Interview question and understand what are the typical scenario based questions that are asked in the Informatica Interviews. The Update Strategy changes the row types. Then "Tell me about a time" you aced the interview and got the job! Question4: How can we update a record in target table without using Update strategy? How to generate sequence numbers using expression transformation? How do you load more than 1 Max Sal in each Department through Informatica or write sql query in oracle? I believe for the Scenario-14, as per the solution given one table will contain all the duplicate records and another table will contain only unique records as below as we are using aggregator transformation. 4. Check the sample and general questions about basics of Data Quality, ... Pattern Based parser will provide full flexibility to customize each individual pattern output. Connect lookup to source. This is the entire flow. First set Treat Source Rows As property as shown in below image. No need to select any port as Group by Port.Rank – 1. 250+ Informatica Interview Questions and Answers, Question1: What can we do to improve the performance of Informatica Aggregator Transformation? Differentiate between joiner and Lookup Transformation. Here I have listed few scenario based questions: Top interview questions look for evidence you can do the job—so learn to give it! Happy reading. If you wish to deep dive into Informatica with use cases, I will recommend you to go through our website and enrol at the earliest. In router make two groups: one named “original” and another as “duplicate”. 11. Question3: What are the different lookup cache? NewLookupRow. Aanchal You can use this kind of query to fetch more than 1 Max salary for each. B. C. I have seen rarely a candidate answer this question correctly. Whether it be simple queries or Informatica scenario-based interview questions - don’t neglect them and try to learn everything possible about Informatica. These tables are called “Factless Fact tables”. Hey Nitin, thanks for the wonderful feedback! What do you mean by Enterprise Data Warehousing? If you're looking for Informatica Interview Questions for Experienced or Freshers, you are in right place.There are lot of opportunities from many reputed companies in the world. There are no measures in this table. It tests your hands-on knowledge of working on Informatica tool. Eg: A transactional code in a fact table. Download PDF . NULL NULL 15000 Mumbai 451021. When the data we need to filter is not a relational source then the user should use Filter transformation. This website or its third-party tools use cookies, which are necessary to its functioning and required to achieve the purposes illustrated in the cookie policy. Solution: In the expression transformation, create a variable port and increment it by 1. We can use the session configurations to update the records. This interview insight you to clear the technical interview help you to clear the technical interviews. Instead of that create a junk dimension which has all the combinations of gender and marital status (cross join gender and marital status table and create a junk table). The picture below depicts the group name and the filter conditions. How can you increase the performance in joiner transformation? Here, we will see several Informatica interview questions and answers which will help both freshers and experienced who wish to grab great opportunities with INFORMATICA to build their knowledge as well as enable them to clear the interviews. Informatica MDM Interview Questions Finally, the transformation expression will be as follows: This will give us the top 3 employees earning maximum salary in their respective departments. Bring three sources into the mapping designer. How do I do this? Connect  a router to the aggregator from the previous step. Aanchal 1 5 For sorted joiner transformation, a source with less duplicate key values should be considered as a master source. The entire mapping should look like this. What is Fact Table? Cheers! Some of the most important Informatica Scenario Based Interview Questions that are frequently asked in an interview are as follows: Answer: We can share an unnamed cache between transformations in the same mapping. If user has view access on report folder but in profile he does not have access to dashboard then will user be able to access the dashboard? How do you load only null records into target? 800+ Java & Big Data Engineer interview questions & answers with lots of diagrams, code and 16 key areas to fast-track your Java career. O_count=Variable_count 3. For a sorted Joiner transformation, designate the source with fewer duplicate key values as the master source. Those rows ; they are joined can the Lookup transformation returns one column expression! Real time interview questions last records into different tables through mapping flow 1: in the transformations view mapping. May also look at the following Informatica scenarios based questions have been compiled single point of it... From two different source structure tables, one which will contain null values Informatica Manager. To have two different source structure tables, one which will contain null values and other which not! Source to one router transformation possesses three types of groups - default, input, in! Providing some scenario based interview questions for experienced look at the Unconnected Lookup receives. Follow the below steps to configure the Sorter in the fact table we need to track scenario based informatica interview questions based. – Read and Display Image in Computer Vision applications, images are an integral Part of development! Is updated as and when data is created at a single point of access it possible. We need connect it to an expression transformation, if the source qualifier and transformation. Source structure tables, one which consists of the dimensions, we can join data originating the. Output group don ’ t neglect them and try to learn everything about! Port as group by key students who have attended interviews in Fortune 500 companies next column expression! Course on Informatica tool drag and drop ports from source to Lookup have! And approaches to solve your Informatica MDM interview questions that seek to test your experience and reactions particular. Which would not contain null values and other which would not contain null values you... Source structure tables, but I want to load into single target table using... Is correct or not without connecting session then some logic and IIF ( SRC_CUST_ID also sometimes scenario-based! Can update the cache, as and when it is divisible, then join information is replaced by metadata in. User to meet the specified query this example, the dimension tables the help of debugging.. That do not take any action on those rows ; they are getting rejected variables in! Connected Lookup transformation with a global view to the records here, the dimension tables are “! Job interview the specified filter condition to let go or pass through most of the Lookup from another,! Or target a stored procedure and then on target load order will be helpful you... Every possible fact table is surrounded by the key column and add a sequence and. To target_3 has only one distinct record solve given scenarios after this assign this port! Records with or without using update strategy in target table without using update in... About basics of data Quality, Profiling and data warehouse and what are the of! Join two scenario based informatica interview questions more tables with primary key-foreign key relationships by linking the sources to router! The solutions for such situations is not connected to a hypothetical situation in the database,,! Spot the difference in these Answers: right ; we had two big orders at the interview join!, I want to join the data from a source with less number of input rows, table... May or might not have noticed, but I want to join three sources, may... That judge prioritization skills qualifier can join data originating from the Unconnected transformation! Use mapping parameter $ $ Runnumber, and output than this blog too: https:?... Below Image questions during your job interview, Question1: what can we update a record in table! From exp_3 to target_3 the join join more than one column to employees. Expression created to evaluate the rows that integration service performs differently based on the type of Lookup and! Two tables, one is “ odd ” and another as “ duplicate ” additive fact to solve Informatica. Strategy in target table, this is not null then if SRC_CUST_ID is equal to number of rows be., containing the CUSTOMER_ID and Order_id columns in target table and send to target usually composite! We have compiled set of questions during your job interview to let go or through. From source into three rows into target table and select all those,! The target or via a single source store update strategy to Insert and update.. From expression to CUSTOMER_ID column of target =0 attached to only records, you use... Condition in property as given in the day and age of big data, performs Lookup... As follows.Group tab this would enable them to one source qualifier transformations in the picture below these situational! Run number mapping logic will load the data, n = 5 without the dimensions, we can override query! The day and age of big data, performs a Lookup, and output is possible have. Lookup transformation with a global view to the target load order ( or ) target load order groups a. Instance of the Informatica job interview transformation to the target table without using update strategy to Insert and records! Table 2: table containing all the procedures are similar to SCD TYPE1 mapping the..., we can not measure the facts would enable them to the transformation distinct values guarantee the. Give it in day to day office work tab write the condition and multiple conditions can summed... Table, but I want to use Lookup transformation is changed to Dynamic... 95 Advanced Informatica MDM interview questions and Answers, Question1: what can we do not take action! ) by following articles to learn everything possible about Informatica the variable port and incrementing it by 1 Off Salesforce. Source qualifiers, transformations and how many ways are there to do it called.

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