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What is Data Models and Query Languages Explained about?

The document discusses data models and query languages, highlighting the difference between raw and processed data, with processed data being organized and meaningful. It outlines three types of data models defined by ANSI: conceptual, logical, and physical, each serving a specific purpose in data storage and organization. Additionally, it covers various database types such as SQL, NoSQL, key-value, columnar, document, and graph databases, along with a brief explanation of JSON as a data exchange format.

Author

hrtusyuvitnojtdkga

Language

EN