Organizations that keep track of customer data, accounts, payment information, health data, and other records require data storage hardware and applications that provide persistent storage. This data is typically organized into a database, which is simply an organized collection of data that may be viewed electronically. There are many types of databases: hierarchical databases, graph databases, and object-oriented databases to name a few. The most commonly implemented type of database is a relational database, which consists of data tabled in rows and columns and connected to other tables with complementary information by a system of keywords that includes primary keys and foreign keys.
Object Oriented Modeling And Design With Uml Ebook fotos diccionario en
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