This chapter has described severalmajor advantages of a database system.What are two disadvantages?
Answer to relevant QuestionsList five responsibilities of a database management system. For each responsibility, explain the problems that would arise if the responsibility were not discharged.Explain the difference between physical and logical data independence. Design an E-R diagramfor keeping track of the exploits of your favourite sports team. You should store thematches played, the scores in eachmatch, the players in each match and individual player statistics for each match. ...An E-R diagram can be viewed as a graph. What do the following mean in terms of the structure of an enterprise schema?a. The graph is disconnected.b. The graph is acyclic.Draw the UML equivalents of the E-R diagrams.
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