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- Semi-structured_model abstract "The semi-structured model is a database model where there is no separation between the data and the schema, and the amount of structure used depends on the purpose.The advantages of this model are the following: It can represent the information of some data sources that cannot be constrained by schema. It provides a flexible format for data exchange between different types of databases. It can be helpful to view structured data as semi-structured (for browsing purposes). The schema can easily be changed. The data transfer format may be portable.The primary trade-off being made in using a semi-structured database model is that queries cannot be made as efficient as in a more constrained structure, such as in the relational model. Typically the records in a semi-structured database are stored with unique IDs that are referenced with pointers to their location on disk. This makes navigational or path-based queries quite efficient, but for doing searches over many records (as is typical in SQL), it is not as efficient because it has to seek around the disk following pointers.The Object Exchange Model (OEM) is one standard to express semi-structured data, another way is XML.".
- Semi-structured_model wikiPageID "5876874".
- Semi-structured_model wikiPageRevisionID "551699454".
- Semi-structured_model auto "yes".
- Semi-structured_model date "December 2009".
- Semi-structured_model hasPhotoCollection Semi-structured_model.
- Semi-structured_model subject Category:Database_models.
- Semi-structured_model type Assistant109815790.
- Semi-structured_model type CausalAgent100007347.
- Semi-structured_model type DatabaseModels.
- Semi-structured_model type LivingThing100004258.
- Semi-structured_model type Model110324560.
- Semi-structured_model type Object100002684.
- Semi-structured_model type Organism100004475.
- Semi-structured_model type Person100007846.
- Semi-structured_model type PhysicalEntity100001930.
- Semi-structured_model type Whole100003553.
- Semi-structured_model type Worker109632518.
- Semi-structured_model type YagoLegalActor.
- Semi-structured_model type YagoLegalActorGeo.
- Semi-structured_model comment "The semi-structured model is a database model where there is no separation between the data and the schema, and the amount of structure used depends on the purpose.The advantages of this model are the following: It can represent the information of some data sources that cannot be constrained by schema. It provides a flexible format for data exchange between different types of databases. It can be helpful to view structured data as semi-structured (for browsing purposes).".
- Semi-structured_model label "Semi-structured model".
- Semi-structured_model sameAs m.0fbb6c.
- Semi-structured_model sameAs Q2269281.
- Semi-structured_model sameAs Q2269281.
- Semi-structured_model sameAs Semi-structured_model.
- Semi-structured_model wasDerivedFrom Semi-structured_model?oldid=551699454.
- Semi-structured_model isPrimaryTopicOf Semi-structured_model.