______ is a technique to reveal the strategic information hidden in the data warehouses. 

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Rajasthan 3rd Grade (Hindi) Official Paper (Held On: 26 Feb 2023 Shift 2)
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  1. Data Mining
  2. Data Bases
  3. Data Warehousing
  4. Data Support System

Answer (Detailed Solution Below)

Option 1 : Data Mining
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The correct answer is Option 1) Data Mining.

Key Points

  • Data Mining is the process of discovering patterns, correlations, trends, and useful insights by analyzing large volumes of data.
  • It is specifically used to extract strategic and hidden information from vast datasets typically stored in data warehouses.
  • Data mining involves techniques from statistics, machine learning, and database systems to:
    • Predict future trends
    • Classify or cluster data
    • Find anomalies or relationships between variables
  • This helps businesses make data-driven decisions and gain a competitive edge.

Additional Information

  • Option 2 – Data Bases: Databases are used for storing, managing, and retrieving data but do not inherently analyze or extract patterns.
  • Option 3 – Data Warehousing: This refers to the process of collecting and managing data from various sources into a central repository. It is where data is stored, but not analyzed.
  • Option 4 – Data Support System (DSS): DSS helps in decision-making using data and models, but does not perform deep pattern mining like data mining does.

Conclusion: Data Mining is the correct technique used to extract meaningful and strategic insights from data warehouses.

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