Database (Database) refers to a group of related data. Be collected together with the system and the need to meet the objectives of the work, such as student registration information contains information about students and information about courses that are registered. Teacher information Information about the student's grades, etc. A collection of information that might be about a person or place of events we are interested in, or they may have come from observing. Measurement, counting, as well as numeric data, text, and pictures can be stored into the database, but the data and everything needs to be one-to-one, and systematically collected, because it is something that must be reused in the future.
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