Distributed database

(1) A person who is in charge of defining and managing the contents of a database. (2) The individual in an organization who is responsible for the daily monitoring and maintenance of the databases. The database administrator’s function is more closely associated with physical database design than the data administrator’s function is.
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In networking, a network in which several PCtype systems (clients) are connected to one or more powerful, central computers (servers). In databases, refers to a model in which a client system runs a database application (front end) that accesses information in a database management system situated on a server (back end).
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A set of instructions or commands used to define data for the data dictionary. A data definition language (DDL) is used to describe the structure of a database. The database programming language that allows for the creation and modification of the database’s structure (known as the schema).
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A data manipulation language (DML) provides the necessary commands for all database operations, including storing, retrieving, updating, and deleting database records. The database programming language that allows users to interact with the data contained within the schema.
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A database that consists of tables that contain a set of related records. In a relational database, data is organized in twodimensional tables or relations.
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