lack of standards and experience the lack of
Lack of standards and experience: The lack of standards has considerably limited the potential of distributed DBMSs. As well, there are no tools or methodologies to help users change a centralised DBMS into a distributed DBMS.
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explain briefly various management functions what is the basis for saying that planning is the most crucial management function
complexity a distributed dbms that is available reliable and secure is inherently more difficult than a centralised dbms though adequate data
the question of fairness regarding page eviction is a hard one how do we decide what is fair many operating systems use global lru where pages from
security in a centralised system access to the data can be simply controlled though in a distributed dbms not only does access to replicated data
lack of standards and experience the lack of standards has considerably limited the potential of distributed dbmss as well there are no tools or
usually memory is allocated from a large pool of unused memory area called the heap in c dynamic allocationdeallocation must be manually performed
since most of the programs require a lot of memory allocationdeallocation we expect the memory management to be fast to have low fragmentation make
how do we keep track of where the free pieces of memory are one idea is to maintain a set of linked-lists of free space each linked-list will store
some people write custom memory allocators to meet their specic needs although this is not needed for most of the applications it is also not
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