Difference Between Data Mining and Data Warehousing

Commonly used terms in the world of digital marketing and information technology, both the terms incur that data is an essential and flexible asset that needs to be stored and analyzed for business tactics and idea generation.


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These are the modern methods implied by organizations and foundations for ease of data interpretation and accessibility. Not only the whole process requires precision, but also technical knowledge and requisite software.

Data Mining vs Data Warehousing

The difference between data mining and data warehousing is that data mining is a process for analyzing and extracting data whereas, data warehousing refers to the process of sequentially storing data after extracting it from sources.

Data Mining vs Data Warehousing

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Data mining isn’t a new concept invented or practiced in the cyber age, but it was followed back in the 1930s to segregate useful and non-useful data and files for ease of accessibility and application.

Data mining means finding cohesion and relatable data trails from the bulk to analyze the feedbacks and requirements of the customer in the field of business.

Data mining is an important step in MNCs and organizations during risk management, crisis communication, corporate analysis, and fraud assessment and safety measures as well.

When we say ‘data warehousing’, we naturally get an idea of a warehouse where data is being stored and stacked up sequentially so that one can easily pick up any piece of data according to the requirement.

Data warehousing is the same thing, it is as simple as the name suggests. A data warehouse extracts information from several sources while assuring data quality, consistency, and correctness. 

The separation of analytics processing from international databases in a data warehouse increases system performance.

Comparison Table

Parameters of comparisonData MiningData Warehousing
DefinitionIt refers to a process of digging out relevant data from a compiled set of warehoused data. Data mining is used for analysis and improvisation strategies opted by the organization.It is the process of compiling, sequencing, and organizing clusters of data into one common accessible database. A data warehouse is for supporting the management in making and implementing decisions.
Usage and applicationDone by business entrepreneurs and owners with the assistance of data technicians.This is a crucial process done by Information technicians and data compiling technical teams of the organization. 
PurposeFor ease of information and data analysis.For making data mining easier and convenient. Done to sort and upload important data into the databases.
Degree of lossIt is not always 100 percent accurate and can lead to data leaks and piracy if not done correctly.A high possibility of irrelevant and useless data accumulation can occur. Data loss and data erasure can be a problem as well.
TimespanData is analyzed regularly in small phases, can differ during crisis communication though.Data is uploaded periodically and stacking is a common practice of ease of accessibility while mining.

What is Data Mining?

Data mining is a crucial step adopted by Multi-National Companies (MNCs), business hubs, and other organizations for data collection, understanding the feedback and requirements of customers, and improvisation as well as, during risk management.

Data mining in simple words is the procedure performed by business entities along with technicians to dig out useful information and data from stacked up data warehouses and open source information from the web as well.

It is a periodic process that has been followed since the birth of trade and commerce.

Data mining is a simple yet crucial process as it has proven itself to be essential during the periods when the organization requires data for analysis of trade-related factors and customer feedback reviews.

Data mining also enables in detection and elimination of system faults as well as unrequited data that eat up the database space.

Some important features and aspects of data mining that makes it an important step in an organization are as follows;

  1. It enables automated pattern analysis.
  2. Prediction of results and hassle-free extraction of requisite data.
  3. Focuses on sources with similar categories required by the user.
  4. Actionable information is extracted for easy management.
  5. Helps in financial management and is a cost-efficient method.
data mining

What is Data Warehousing?

Data Warehousing can be considered as the prior stage of data mining as it helps boost the mining process. Data warehousing or DW is a method where engineers collect data and manage them into collective databases.

These databases contain information from varied sources with different categories of data which include analytics, business tactics, and strategies, etc.

 A data warehouse is most commonly used to integrate and analyze corporate data from disparate sources. During this process, the most important element would be the warehouse itself, a data warehouse is also called a DSS (Decision Support System).

The DSS is always separated from the organization’s functional and operational database since the Data warehouse is less of a database but more of a niche for analysis and storage.

Data Warehouses are primarily of 3 types with distinct functions of each. The types and their functions are listed below;

  1. A Data Mart: It is a direct sub-stage of a data warehouse and is used by the sales and marketing fields of business.  An independent and self-functioning data mart automatically collects data from sources like customers and reviewers.
  2. Enterprise Data Warehouse (EDW): A unified and concrete database that combines every department of the organization. It is the core of DSS.
  3. Operational Data Store (ODS): Consists of user data and is updated frequently. It is operational for the employees as well.
data warehousing

Main Differences Between Data Mining and Data Warehousing

  1. Data mining is used for analyzing data patterns and sources but, data warehousing is used for data analysis and storage.
  2. Data mining works as an extracting operation whereas data warehousing works on the combining principle.
  3. Business entrepreneurs along with engineers can perform data mining but data warehousing is done by technicians and engineers only.
  4. Data mining is mostly manually done whereas data warehousing can be done with the help of AI and automated filters.
  5. Few types of data mining techniques include classification analysis, anomaly detection, clustering analysis, etc whereas data mining is of 3 types; data mart, EDW, and ODS.
Difference Between Data Mining and Data Warehousing
  1. https://www.talend.com/resources/what-is-data-mining/
  2. https://www.guru99.com/data-warehousing.html
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