what is ETL? ETL is a process that extracts the data from different source systems, then transforms the data (like applying calculations, concatenations, etc.), and finally loads the data into the Data Warehouse system. The full form of ETL is Extract, Transform, and Load. What is a data warehouse (DW)? A Data Warehouse (DW) is … Read more
What is a Slowly Changing Dimension? Slowly Changing Dimension (SCD) is a dimension that allows us to store and manage both current and previous data over time in a data warehouse. It is considered and implemented as one of the most critical ETL tasks in tracking the history of dimension records. There are three types … Read more
Informatica World takes place May 8-11 at the Venetian Resort Las Vegas and we can’t wait to meet you there! Perficient is a proud sponsor of Informatica’s largest event, which brings together customers and partners from across the globe. Perficient is a global digital consultancy, an Informatica Platinum Enterprise Partner, and the 2022 Cloud Modernization … Read more
What is a Slowly Changing Dimension? A Slowly Changing Dimension (SCD) is a dimension that stores and manages both current and historical data over time in a data warehouse. It is considered and implemented as one of the most critical ETL tasks in tracking the history of dimension records. Type 1 SCDs – Overwriting In … Read more
What is Data warehouse? A Data warehouse is a concept that aggregates data from different sources into a single, central, consistent data store to provide meaningful business insights. It is typically used to connect and analyze heterogeneous sources of business data. For moving data from one or more sources to the data warehouse, ETL is … Read more
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