Data manipulation


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Data manipulation

Data manipulation refers to the process of altering, transforming, or restructuring data to make it suitable for various purposes, such as analysis, modeling, or reporting. This involves operations like sorting, filtering, aggregating, and applying mathematical or logical functions to data sets.

What does Data manipulation mean?

Data manipulation refers to the act of altering and transforming raw data into a more organized, structured, and usable format. It involves a wide range of operations such as filtering, sorting, joining, aggregating, and modifying data-driven processes. Data manipulation empowers data analysts, scientists, and engineers to extract meaningful insights, patterns, and trends from complex and often unstructured raw data.

Operations Involved

Data manipulation encompasses various operations, including:

  • Filtering: Selecting specific data records that meet defined criteria.
  • Sorting: Arranging data records in ascending or descending order based on specific attributes.
  • Joining: Combining multiple datasets based on common attributes to merge and enrich data.
  • Aggregation: Summarizing data by combining multiple values into a single representative value, such as sum, average, or count.
  • Modification: Altering the content or format of existing data elements, such as removing duplicates, changing data types, or replacing values.

Applications

Data manipulation has ubiquitous applications across various industries and domains:

  • Data Analysis: Identifying patterns, trends, and relationships in data to derive meaningful insights and inform decision-making.
  • Machine Learning: Preparing data for training machine learning models, including data cleaning, feature engineering, and transformation.
  • Data Integration: Combining data from multiple sources to Create a comprehensive and unified dataset for analysis purposes.
  • Data Visualization: Transforming data into visual representations, such as charts, graphs, and dashboards, for easier understanding and interpretation.
  • Database Management: Maintaining and updating data in databases, ensuring data Accuracy, consistency, and integrity.

History

The roots of data manipulation can be traced back to the early days of computing. In the 1950s, the First programming languages, such as FORTRAN and COBOL, included rudimentary data manipulation capabilities. As databases emerged in the 1960s, data manipulation languages (DMLs), such as SQL (Structured Query Language), were developed to query and modify data in a structured manner.

With the ADVENT of big data and the rise of data-driven technologies, data manipulation has gained significant importance. The need for massive-scale data processing and analysis has led to the development of advanced data manipulation tools and techniques, enabling the efficient handling and transformation of complex datasets.