Data Cleaning in Data Mining

Data Cleaning in Data Mining What is data cleaning? Data mining is concerned with extracting valuable information from the data, which can help organizations make business decisions. But before performing data mining, we have to clean the data. Data...

Project Planning and Management in Data Warehouse

Project Planning and Management in Data Warehouse Planning your Data Warehouse Inadequate project management and improper planning results in failure of the entire project.The most important thing to determine is that does your organization really need a data...

Difference between ETL and ELT

What is ETL?  ETL stands for Extract, Transform and Load. It is a technique that involves extracting the data/record from sources and passing it to a staging area, followed by transforming (Extraction, cleansing, aggregation). It reformats the data by performing...

Data Extraction and Data Transformation

What is data Extraction? Data extraction can be defined as the process of collecting or retrieving different types of data from different sources, many of which are semi-structured or completely unstructured. Types of data extraction techniques: There are two types of...

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