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NoSQL databases are designed to handle large volumes of unstructured or semi-structured data, offering flexibility and scalability beyond traditional relational databases. They are broadly categorized into column-based, document-based, and graph-based databases, each optimized for specific data models and use cases. Column-based NoSQL databases store data in columns rather than rows, allowing efficient reading and writing of large datasets. Each column family contains rows with a unique key, and each row can have a different number of columns. _____ ________ _______ __________ ____ _______ ______ ________ ______ ________ _______ _____.
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