Hardware Environment
Compare the memory and processing requirements for a DDMS to an object-oriented database system.
| DDMS | OODBMS | |
| Types of Memory: | Data is moved from disk to memory. | Memory storage is object based. |
| Memory requirement: | Data elements need to be accessed individually. No relationship between data. | An object identifier (OID) is an unambiguous, long-term name for any type of object or entity. |
| Types of Processing: N | Normalization is not present. | Data encapsulation |
| Required transfer rates: | Data is stored as either navigational or hierarchical form, it does not support distributed database | The class describes a group of objects that have common relationships, behaviors, and have similar properties. |
| Record types: | The data is subject to low security levels with regards to data manipulation. | Stores data as well as methods to use it. |
| Storage architectures: | Data redundancy is common in this model. It stores data like a file. | Handles larger and complex data than RDBMS |
| overall system performance and scalability: | DBMS is any Database Management System. The most popular DBMS are relational database management systems in which we store everything as a relation between entities. Entities are Tables. | OODBMS stands for Object Oriented Database Management System. In an OODBMS we store data in Object form. One Object can be composed of more Objects. An Object can inherit another Object. We use OODBMS with Object-Oriented Programming languages. |
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