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Sears competes using database warehouse and OLAP tools.
What can be done to overcome store managers' resistance to the use of data and analytical tools?
Is their resistance to analysis necessarily a bad thing?
Assume that the value of attribute Z of the last record in the relation is changed from z3 to z2. Now list all the functional dependenciesthat this relation instance satis?es.
delete a particular student name and mark
What are the responsibilities of a DBA? If we assume that the DBA is never interested in running his or her own queries, does the DBA still need to understand query optimization? Why?
Design an ER schema with attributes, primary keys, cardinalities and participation constraints if appropriate
Write a paper discussing what professional organizations you might join, and websites you might visit, that would provide insight into a career that includes responsibility for database administration
Design a DSS to help decision-makers run the 2012 London Olympics-Write down the step-by-step solution to train the classifier by the basic perceptron learning rule.
What type of entertainment events are the most popular? Has this always been the case or has there been a shift in recent years - Which area of venues used for organizing events is most popular in past 10 years?
coastal seafoodcoastal seafood is a family-owned business that operates on the east coast. the company already uses
Create a tree that models the following scenario. A player decides to play a maximum of 4 times, betting on red each time. The player will quit after losing twice. In the tree, any possible last plays will be an ending point of the tree.
Calculated field query with table JOIN: Find the ticket numbers and the users submitted the tickets, for those tickets that take more than 5 days to resolve, define a new field TimeSpent, which is the time resolved minus the time ticket was submit..
How would you get the same query results but writing the query as a RIGHT outer join?
The point is to foster understanding between different faiths through films. Also, a museum exhibit that originated in Israel is now touring major cities around the world for the last four years.
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