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For each of the following cases, select the type of NoSQL DBMS that would fit best the needs of the situation. a. The database has to support a relatively complex hierarchical internal record structure that may vary for each record. b. The key requirement for the database is to access a specific record as quickly as possible without any concern regarding the internal structure of the record. c. The data are particularly well suitable to be organized as a network of associations between the data items. d. It is important that the DBMS provides quick access to each of the records by a key value, but, in addition, it has to also allow easy access to the components of each record.

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