ความรู้เบื้องต้นฐานข้อมูล 1

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The document discusses databases, database management systems, database models, and database concepts. It provides definitions and examples of key terms related to databases including fields, records, files, entities, attributes, primary keys, and relationships. It also summarizes different database models like hierarchical, network, relational, and object databases as well as database types like XML databases.

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