OLAP | Online Analytical Processing

OLAP systems typically store data in a multidimensional format, which allows users to slice and dice the data to see different relationships and trends.

Information-Action Value Chain

The information-action value chain is a framework that helps organizations understand how information can be used to create value. It basically consists of three parts, namely before the methods, the methods and after the methods.

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Data Lakes

Data Lakes are a centralised repository of raw data & has the ability to store structured, semi-structured and unstructured data from various sources including databases, social media and sensors. Data lakes are frequently used to store data for future study, such as machine learning and AI.

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Data Mart

Data Marts are a subset of a data warehouse that is tailored to the needs of a particular business unit or department. Data marts often contain data important to a specific business area, such as sales, marketing, or finance.

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ETL vs ELT

ETL and ELT are two data integration methodologies that are used to extract data from different sources, transform it into a consistent format, and load it into a data warehouse or data lake.

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Data Warehouses

Data Warehouses are a central repository for data that has been merged from one or more diverse sources. Data warehouses are used to support BI activities like data mining, online analytical processing (OLAP), and business reporting.

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All About Data, Analytics & BI

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