What are the best interview questions for Informatica?
Advanced Informatica Interview Questions 2.1. Question 1: What are ‘dimensional tables’? 2.2. Question 2: Name a few different methods of how you would implement parallel processing in Informatica. 2.3. Question 3: While dealing with the process of mapping, how would you get distinct values? 2.4.
Can a database write non fatal errors in Informatica?
Informatica does not write the non fatal errors to the database unless you change the tracing level. 4. Re: FR_3015 Warning! – Error Log Type Database
Which is a typical use case for Informatica?
There are many typical use cases of Informatica, but this tool is predominantly leveraged in the following scenarios: When organizations migrate from the existing legacy systems to new database systems While integrating data from various heterogenous systems including multiple databases and file-based systems
When do you use mapping parameters in Informatica?
Mapping parameters represent constant values that are defined before running a session. After creation, parameters appear in Expression Editor. These parameters can be used in source qualifier filter, in user-defined joins, or for overriding. As opposed to mapping parameters, mapping variables can change values during sessions.
The following section contains in-depth Informatica interview questions that you should be prepared to answer at an interview (in addition to reviewing scenario-based questions): Compare and contrast an unconnected lookup and connected lookup. Describe a Lookup transformation. How would you use a source qualify?
When to answer questions about Informatica-based scenarios?
When candidates are interviewing for positions involving data warehousing, it is common to answer questions about Informatica-based scenarios. By reviewing sample questions and answers regarding these scenarios, you can be better prepared to make a positive impression on the hiring manager.
What is the use of designer in Informatica?
It is used to organize and secure metadata by creating folders. Q5). What is Designer? The designer is used to create source definitions, target definitions, and transformations to build the mappings. Also, it is used to create mapplets which can be reused in different mappings.
What do you need to know about Informatica powercenter?
Informatica PowerCenter is an ETL/data integration tool that has a wide range of applications. This tool allows users to connect and fetch data from different heterogenous sources and subsequently process the same.
What are some examples of unconnected lookups in Informatica?
For example, parameters like column 1, column 2, column 3, and column 4 can be put in an unconnected lookup but there is only one return value. 6. How many lookup caches are available?