What is complex mapping in Informatica?

A complex mapping is a mapping with huge requirement based on many dependencies.Based on many key attributes and its satisfied condition the data flow happens.Slowly changing dimensions also comes under complex mapping.There will be usage of mapplets to integrate the data based on data integration rules.Here we use …

How can one identify whether mapping is correct or not without connecting session?

How can one identify whether mapping is correct or not without connecting session? One can find whether the session is correct or not without connecting the session is with the help of debugging option. 13.

How can I prepare for Informatica?

ETL Tool Interview Process:

1. Detail introduction about your profile followed with project details.
2. General questions on recent projects and domain.
3. Data warehouse concepts.
4. ETL tool Specific Questions.
5. Questions linking both tool and project.
6. Basic PLSQL Questions.
7. Basic unix commands.

How many rounds of interview are there in Informatica?

There will be almost 5 interview rounds. All are technical and each one was an elimination round. After that there will be a HR round. The question were on OS,OOPS,Computer networks and some puzzles.

What is SCD Type 2 in Informatica in interview?

Slowly Changing Dimension Type 2 also known SCD Type 2 is one of the most commonly used type of Dimension table in a Data Warehouse. SCD Type 2 dimension loads are considered to be complex mainly because of the data volume we process and because of the number of transformation we are using in the mapping.

What is SCD type Informatica?

What are the types of SCD?

• Type 0 – Fixed Dimension. No changes allowed, dimension never changes.
• Type 1 – No History. Update record directly, there is no record of historical values, only current state.
• Type 2 – Row Versioning.
• Type 3 – Previous Value column.
• Type 4 – History Table.
• Type 6 – Hybrid SCD.

What is DTM buffer size in Informatica?

The DTM Buffer Size setting specifies the amount of memory that the Integration Service uses as DTM buffer memory. When you increase the DTM buffer memory, the Integration Service creates more buffer blocks, which improves performance during momentary slowdowns.

What is Informatica in simple terms?

Informatica is one of best Extract, transform and load(ETL) tool that helps in connecting and fetching data from multiple data sources and load into different tragert databases, files systems. It helped us to pull data from IBM MQ, flat files and different relational databases and load to Teradata.

Why do we need Informatica?

Informatica is a Software development company, which offers data integration products. It offers products for ETL, data masking, data Quality, data replica, data virtualization, master data management, etc. It offers the capability to connect & fetch data from different heterogeneous source and processing of data.

How do tools work in Informatica?

Informatica is an easy to use ETL tool, and it has a simple visual primary interface. You drag and drop the different objects and design process flow for data extraction transformation and load. These designed process flow diagrams are called the mappings.

What are the 3 types of SCD?

What are the best questions to ask in an informatica interview?

Here is the list of most frequently asked Informatica Interview Questions and Answers in technical interviews. These Informatica questions and answers are suitable for both freshers and experienced professionals at any level.

Which is the best Informatica course to take?

Informatica is the leading important course in the present situation because more job openings and the high salary pay for this Informatica and more related jobs. These are top Informatica interview questions and answers, prepared by our institute experienced trainers.

How to prepare for an informatica scenario based interview?

To prepare for an informatics scenario-based interview, the best thing you can do is review the questions in this guide to ensure you are confident that you have a firm grasp on this subject. You also want to dress appropriately and be prepared to respond to each question in a personable yet professional manner.

What do you mean by powercenter In Informatica interview?

Answer: It is an ETL/Data Integration tool that is used to connect and retrieve data from different sources and data processing. PowerCenter processes a high volume of data and supports data retrieval from ERP sources such as SAP, PeopleSoft, etc.