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The lost-update problem can be prevented by a type of locking which must be used to coordinate the activities of users who know nothing about one another.
Q2: The View tab is used to configure
Q17: Mobile systems are information systems that support
Q20: Explain the data component of SMIS with
Q29: To import data into Excel,open Excel,click the
Q30: Entities have relationships to attributes,but not to
Q30: Which device listed below is an example
Q35: Which of the following collaborative activities requires
Q39: The major advantage of native applications over
Q42: Explain inter-enterprise information systems.
Q78: Pure database data in raw form are