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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Whenever you make a list of anything – list of groceries to buy, books to borrow from the library, list of classmates, list of relatives or friends, list of phone numbers and so o – you are actually creating a database. An example of a business manual database may consist of written records on a paper and stored in a filing cabinet. The documents usually organized in chronological order, alphabetical order and so on, for easier access, retrieval and use. Computer database are those data or information stored in the computer. To arrange and organize records, computer databases rely on database software Microsoft Access is an example of database software.

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