Informatica is a software development company that owns the eponymous ETL tool Informatica. Needless to say, you need full proficiency in the Informatica ETL tool if you are looking to make a career at this company. You also need to be thoroughly prepared with common Informatica interview questions to be able to crack their interview process.
Informatica tool is one of the most popular tools in the data warehousing sector. Having a software engineering career at Informatica means that you get to work with a wide range of enterprise data integration and cloud data management solutions.
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In this article, we will look at the sample interview questions that you can expect at Informatica’s tech interview. Here’s what we will cover in this guide:
To start off, here are some generic interview questions you can expect at Informatica, along with sample answers:
These are the different tools in workflow manager:
Workflow is the manner in which the task should be implemented. In other words, it is a collection of instructions that let the server know how to implement the task.
This is a common Informatica interview question. Here’s how you can answer it:
Target load order is defined as the basis of source qualifiers in a mapping. If there are multifold source qualifiers linked to different targets, any one of them can decide the manner in which the Informatica server will load the data in the target.
On the basis of designs done at the query change/Session Property level:
On the basis of Caches designed, Static and Dynamic caches.
The use of a target designer is to define the Target of data. In case there are multiple sources or a single source with multiple partitions linked to different targets through the Informatica server, target load order is used by the server to decide in what order the data will be loaded.
A popular interview question at Informatica. Have a look at the following applications to answer:
Informatica lookups can be categorized as cached or uncached. For Dynamic cache, rows can be inserted or deleted when they are passing the rows and are synchronized with the target. The cache memory gets refreshed after the user deletes/updates operations within a session.
Freshers preparing for Informatica interviews should practice the following types of questions to prepare:
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If you are an experienced software developer, you can expect the following interview questions at Informatica:
PowerCenter Server on UNIX can connect to:
Here’s the answer to this common Informatice interview question:
When you are joining Source Data of heterogeneous sources or joining flat files, it is advisable to use Joiner transformation. For joining data from different Relational Databases, Flat Files, and joining relational sources and flat files, Joiner transformation is useful.
It is faster than hand-code scripting and can communicate with all major data sources. It also comes with Informatica different “adapters” that can be used for extracting data from packaged ERP applications (such as SAP or PeopleSoft). It can run on both Windows and Unix environments.
This is not possible directly. You need to first analyze the file in the source analyzer and then move it into the warehouse designer. However, when you drag it, the warehouse designer creates a relational target definition. If you plan to load to a file, you will need to configure the session to write to a flat file.
This is a pretty straightforward Informatica interview question; here’s the answer:
A GVI based administrative client that permits a range of administrative tasks such as assigning users to access folders and creating, editing, and deleting folders.
Status Code takes care of the system during every meeting by providing an error code. It can perceive whether the put away has been submitted effectively or not. It also provides an option to the Informatica server to choose whether the meeting must be halted or preceded.
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Here’s a list of some more frequently asked Informatica interview questions for practice:
Be sure to practice these interview questions to prepare yourself for the Informatica interview. If you are anxious about the interview, check out this article on how to deal with interview-related stress. All the best!
1. What is the average software engineer salary at Informatica?
The average salary of a software engineer at Informatica is $130,474 (glassdoor.com).
2. How can I prepare for the Informatica interview?
To prepare for Informatica interviews, you should be well-versed with the Informatica ETL tool. You can go for certifications to gain the required expertise. Then, practice the frequently asked interview questions to strengthen your prep further.
3. Is there any certification to learn Informatica tool?
You can get certified as a specialist or an expert via a written exam. Having a Specialist certification means that you understand Informatica tool products and have the necessary skills to contribute to a project as a full team member. These certifications can be obtained from Informatica University.
4. What are the popular Informatica products?
Some of the products include Power Center, Power Mart, Power Exchange, Power Center Connect, Power Channel, Metadata Exchange, Power Analyzer, and Super Glue.
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