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  2. Comparison of data modeling tools - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_data...

    Supported data models (conceptual, logical, physical) Supported notations Forward engineering Reverse engineering Model/database comparison and synchronization Teamwork/repository Database Workbench: Conceptual, logical, physical IE (Crow’s foot) Yes Yes Update database and/or update model No Enterprise Architect

  3. Wide and narrow data - Wikipedia

    en.wikipedia.org/wiki/Wide_and_narrow_data

    Many statistical and data processing systems have functions to convert between these two presentations, for instance the R programming language has several packages such as the tidyr package. The pandas package in Python implements this operation as "melt" function which converts a wide table to a narrow one. The process of converting a narrow ...

  4. Comparison of spreadsheet software - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_spreadsheet...

    The operating systems the software can run on natively (without emulation).Android and iOS apps can be optimized for Chromebooks and iPads which run the operating systems ChromeOS and iPadOS respectively, the operating optimizations include things like multitasking capabilities, large and multi-display support, better keyboard and mouse support.

  5. Big Data: A Problem of Breadth, Not Depth? - AOL

    www.aol.com/news/2013-05-29-big-data-a-problem...

    Ryan's online data collection and analysis platform has enjoyed meteoric growth and success in its quest to "help companies be right." A full transcript follows the video.

  6. ISO/IEC 9797-1 - Wikipedia

    en.wikipedia.org/wiki/ISO/IEC_9797-1

    The model for MAC generation comprises six steps: Padding of the data to a multiple of the cipher block size; Splitting of the data into blocks; Initial transformation of the first block of data; Iteration through the remaining blocks of data; Output transformation of the result of the last iteration; Truncation of the result to the required length

  7. Apple Lesson of the Day: Product Depth vs. Breadth - AOL

    www.aol.com/news/2012-01-27-apple-lesson-of-the...

    Including older models, Apple currently offers three iPhones: 3GS, 4, and 4S. Counting Android and Windows Phone handsets, LG has 27 different models currently listed on its site.

  8. Data model - Wikipedia

    en.wikipedia.org/wiki/Data_model

    Overview of a data-modeling context: Data model is based on Data, Data relationship, Data semantic and Data constraint. A data model provides the details of information to be stored, and is of primary use when the final product is the generation of computer software code for an application or the preparation of a functional specification to aid a computer software make-or-buy decision.

  9. Data modeling - Wikipedia

    en.wikipedia.org/wiki/Data_modeling

    Data modeling techniques and methodologies are used to model data in a standard, consistent, predictable manner in order to manage it as a resource. The use of data modeling standards is strongly recommended for all projects requiring a standard means of defining and analyzing data within an organization, e.g., using data modeling: