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Data Resource mgmt
Data Resource mgmt - databases
Term | Definition |
---|---|
Hierarchical Structures | A hierarchical database organizes data into a tree. The top level of the tree is the root node.A hierarchical structure leads to data redundancy. |
network database structure | A network database structure is more flexible and significantly more complex than a hierarchical database. |
object-oriented database | works to abstract related pieces of information into units called "objects."ability to be easily extended. The ability to extend objects without duplicating data is a key benefit of object-oriented databases. |
relational database structure | a popular approach to database design and is used in virtually all server and desktop database systems.data is represented as a series of values within two-dimensional grids called tables. |
Operational Database | A database necessary for the operation of a business. the data that a business relies on is stored in operational databases. |
Distributed Database | A database spread across multiple systems. data might be duplicated across different computers. Distributed databases maintain data across multiple different systems. |
External Database | Databse located outside the business |
Hypermedia Database | A data base consisting of linked media such as sounds, photo's, and movies i.e. Youtube |
normalization | The process of removing data redundancy and ensuring consistency in the database |