Rewrite the query in Section 9.6.1 that returns the titles of all books that have more than one author, using the with clause in place of the function.
Answer to relevant QuestionsCompare the use of embedded SQL with the use in SQL of functions defined in a general-purpose programming language. Under what circumstances would you use each of these features?Write the following queries in XQuery, assuming the DTD from exercise.a. Find the names of all employees who have a child who has a birthday in March.b. Find those employees who took an examination for the skill type ...Consider as shown below, and suppose that authors could also appear as top level elements. What change would have to be done to the relational schema?· · · similar PCDATA declarations for year, publisher, place, journal, ...Give an example of a relational-algebra expression and a query-processing strategy in each of the following situations:a. MRU is preferable to LRU.b. LRU is preferable to MRU.If possible, determine the buffer-management strategy used by the operating system running on your local computer system, and what mechanisms it provides to control replacement of pages. Discuss how the control on ...
Post your question