in this we have to add the probability of 3
IN THIS WE HAVE TO ADD THE PROBABILITY of 3 and 5 occuring separtely and subtract prob. of 3 and 5 occuring together therefore p=(166+100-33)/500=233/500=0.466
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benefits of sequential file organisation it is quick and efficient when dealing with huge volumes of data that require being processed periodically
indexed indexed sequential file organisationit organises the file like a big dictionary ie records are kept in order of the key but an index is
hashed file organisationhashing is the most common form of purely random access to a database or file it is also used to access columns that do not
benefits of hashed file organisation1 insertion or search on hash-key is quick2 best if equality search is
in this we have to add the probability of 3 and 5 occuring separtely and subtract prob of 3 and 5 occuring together therefore
types of indexesone of the words used during the file organisation is the term index in this part let us describe this term in more detailwe find the
tww2lhsww2 w2 w2 1 1 but every third term is of the formw3n w3n222there are nine such terms their sum is 36the remaining are one their sum
primary indexa primary index is a file that has a sorted series of records having two columns a block address for that key field in the data file and
normal 0 false false false en-us x-none x-none
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