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Databricks, Inc. is a global data, analytics, and artificial intelligence (AI) company, founded in 2013 by the original creators of Apache Spark. [ 1 ] [ 4 ] The company provides a cloud-based platform to help enterprises build, scale, and govern data and AI, including generative AI and other machine learning models.
Ion Stoica (born 1964 or 1965) is a Romanian–American computer scientist specializing in distributed systems, cloud computing and computer networking. [9] [2] [10] [11] He is a professor of computer science at the University of California, Berkeley and co-director of AMPLab.
According to Stephen Wolfram: "The idea of a notebook is to have an interactive document that freely mixes code, results, graphics, text and everything else.", [4] and according to the Jupyter Project Documentation: "The notebook extends the console-based approach to interactive computing in a qualitatively new direction, providing a web-based ...
For example, the definition of data warehouse is also changeable, and not all data warehouse efforts have been successful. In response to various critiques, McKinsey noted [ 13 ] that the data lake should be viewed as a service model for delivering business value within the enterprise, not a technology outcome.
Star schema used by example query. Consider a database of sales, perhaps from a store chain, classified by date, store and product. The image of the schema to the right is a star schema version of the sample schema provided in the snowflake schema article.
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Numeric result codes V1: English result codes (e.g. CONNECT, BUSY, NO CARRIER etc.) X0 or X: Smartmodem Hayes Smartmodem 300 compatible result codes X1: Usually adds connection speed to basic result codes (e.g. CONNECT 1200) X2: Usually adds dial tone detection (preventing blind dial, and sometimes preventing ATO) X3: Usually adds busy signal ...
Without concurrency control, if someone is reading from a database at the same time as someone else is writing to it, it is possible that the reader will see a half-written or inconsistent piece of data.