The process of revising the logical data model into the physical data model is then outlined. because one of the most popular data storage formats today is the relational database, optimization of relational databases from both storage and access perspectives is also included.. A physical data model (or database design) is a representation of a data design as implemented, or intended to be implemented, in a database management system. in the lifecycle of a project it typically derives from a logical data model, though it may be reverse-engineered from a given database implementation.. Overview of physical storage media magnetic disks raid tertiary storage storage access file organization organization of records in files data-dictionary storage storage structures for introduction to database concepts and access -..
Distinguish between physical design and logical design as applicable to the data warehouse; study the steps in the physical design process in detail; understand physical design considerations and know the implications; grasp the role of storage considerations in physical design; examine indexing techniques for the data warehouse environment. Document storage whether it�s physical or digital, we can provide a protected location to store all of your information including storage on our servers for off-site backups and provide you with secure access.. Physical destruction of storage media (disintegrating, shredding, incinerating, pulverising), when done properly, is the most reliable way to securely dispose of data. universities and organisations often have their own guidelines on data disposal and destruction..
