Título: Databases, Files and Datawarehousing: Databases basic concepts
Descripción automática: In this video, the presenter introduces basic concepts about databases, emphasizing the distinction between data and databases. Data is described as unprocessed, raw facts that come in various formats such as text, numbers, images, audio, video, or multimedia. A database, in contrast, is an organized collection of such data, structured in files which contain tables or entities that represent different types of data, like flight schedules or airport departments.
The video demonstrates what tables in databases look like, showing that they consist of fields and records. Fields are the individual pieces of information within a table, defined by attributes such as name, type, length, and the form of values. Records are rows in the table that contain related fields, representing a single instance of the entity the table is about. The video uses the example of flight schedules to explain how information is organized into fields with specific data types, such as integers for flight numbers.
Finally, the presenter points out that files in a database are these tables, which are collections of records stored in rows (records) and columns (fields). The video suggests that subsequent content will cover the properties of data in databases, setting the stage for further learning in the series.
Autor/a: Vos Tanja Ernestina
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#data # databse # tables # entities # fields # records # files # computer science
