Question: A set of equivalence rules is said to be complete if
A set of equivalence rules is said to be complete if, whenever two expressions are equivalent, one can be derived from the other by a sequence of uses of the equivalence rules. Is the set of equivalence rules that we considered in Section 14.3.1 complete?
Answer to relevant QuestionsDecorrelation:a. Write a nested query on the relation account to find for each branch with name starting with “B”, all accounts with the maximum balance at the branch.b. Rewrite the preceding query, without using a ...Consider a file system such as the one on your favorite operating system.a. What are the steps involved in creation and deletion of files, and in writing data to a file?b. Explain how the issues of atomicity and durability ...Consider the precedence graph of Figure is the corresponding schedule conflict serializable? Explain your answer.Show by example that there are schedules possible under the tree protocol that is not possible under the two-phase locking protocol, and vice versa.Although SIX mode is useful in multiple-granularity locking, an exclusive and intend-shared (XIS) mode is of no use. Why is it useless?
Post your question