CP7202 Advanced Databases Important Questions APRIL MAY 2014 Questions April May 2014 PART-A 1.Give the different types of DML. 2.Define query. 3.Write the query for “find the average account balance at the Perryridge branch”. 4. List the types of spatial queries? 5.Write the formal structure of an object. 6. Define multiple inheritance and selective inheritance. 7. What are the ways to represent knowledge extracted during data mining? 8. What are the difficulties in implementing data warehouse? 9. What are the tools and techniques for query processing? 10. What are the two types of tables in multidimensional model? PART-B (5*16=80 Mar ks) 11. (a)Explain the Function and Architecture of a DDBMS.(16) (or) (b)Discuss about the X/Open Distributed Transaction Processing model. (16) 12. (a)(i)Compare ORDBMS and OODBMS(8) (ii)Explain the advantages and disadvantages of OODBMS(8) (or) (b) Explain briefly on Object Oriented DBMSs-Standards and Systems? (16) 13. (a) Explain in detail about active database concepts and triggers? (16) (or) (b)What are temporal databases? Explain in detail.(16) 14. (a)Define Data mining? Briefly explain the different types of knowledge discovered during data mining.(16) (or) (b)Explain about coordinator selection and concurrency control.(16) 15. (a) Specify the following views as queries in XQuery on the COMPANY XML schema.(16) (i) A view that has the department name, manager name and manager salary for e very department. (ii) A view that has the employee name, supervisor name and employee salary for e ach employee who works in the Research department. (iii) A view that has the project name, controlling department name, number of employees and total hours worked per week on the project for each project. (iv) A view that has the project name, controlling department name, number of employees and total hours worked per week on the project for each project with more than one employee working on it. (or) (b)Explain the characteristics of biological data in GDB?(16)