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Chapter VIII data and database Information security
Chapter VIII data and database Information security

... • Database files are also called tables or relations because they are tables similar to spreadsheet files. • If the number of files in a business or organization is too big, which is usually the case in big businesses, then several databases will be necessary and a data warehouse is created which co ...
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Object-relational impedance mismatch

The object-relational impedance mismatch is a set of conceptual and technical difficulties that are often encountered when a relational database management system (RDBMS) is being used by a program written in an object-oriented programming language or style, particularly when objects or class definitions are mapped in a straightforward way to database tables or relational schemata.The term object-relational impedance mismatch is derived from the electrical engineering term impedance matching.
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