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Database Management System Question

Database Management System Question With Answer & Solution
Que. - Relational schemas and other metadata about relations are stored in a structure called the                          
Que. -                        is the collection of memory structures and Oracle background processes that operates against an Oracle database.
Que. - A                  is a logical grouping of database objects, usually to facilitate security, performance, or the availability of database objects such as tables and indexes.
Que. - A tablespace is further broken down into
Que. -                      is a contiguous group of
Que. -                  is the smallest unit of allocation in an Oracle database.
Que. - An Oracle                      is a set of tables and views that are used as a read-only reference about the database.
Que. - The                is that part of main memory available for storage of copies of disk blocks.
Que. - A major goal of the database system is to minimize the number of block transfers between the disk and memory. This is achieved by
Que. - The subsystem responsible for the allocation of buffer space is called the