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Suppose an instruction takes 1 nanosecond to execute (on average), a page fault takes 20 microseconds of processor time, and it takes 300 microseconds of disk time to read or write a single page. Suppose that on average, 1/2 of the pages are modified. What is the average number of instructions between page faults that would cause the disk to be busy doing page transfers all the time?
What does the cardinality ratio specify? Mapping cardinalities or cardinality ratios state the number of entities to which another entity can be associated. Mapping cardinaliti
What is the full form of ODBC ? ODBC stands for Open Database Connectivity.
Advantages and disadvantages of icloud based storage
what problems are raised by the database? why is it so controversial? why is data quality an issue?
Give an example of operations from the State Actions and Activities. For instance, in bank the activity verify account code and verify password
what is attribute is attribute inheritance in dbms?
i need help for assignment ..
What is persistency? Persistency ensures which data is stored and that after the object is no longer available (program stops running) the data will be available to other users
Primary Index In primary index, there is a one-to-one relationship among the entries in the index table and the records in the major table. Primary index can be of two types:
Hello.I have database access assignment which consist of creation Form, Subform, Calculation, Macros
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