Database Management Systems Homework

hi. I am a certified ms sql server developer. I would like to assist. please feel free to contact me for further assistance. kind regards .enrico

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Hello, I am database developer having an exp of 5+ years. To gain your trust below are the answers provide for you ..Atleast give me some feed back and post a review on my account. Q1. Query 2,3,6 will run fast. Since we are creating the INDEXES on the SWORD_RANK,MAGIC_POWER and YEAR. Query 1 has where clause on the BIRTH_YEAR But we are indexing on YEAR. Q2.I have an answer i cannot attach the diagram. Q3. Since the system is failed at 60-70 None of the statements from 00 to 60 are commited. The DPT Table has below changes Character 1 weapon has changed to ring character 2 name has changed to white gandalf REDO all actions in log starting at earliest point when a change not on disk UNDO actions of all transactions not committed by the end of phase Q4. I need to do some research on the execution time ..

i am here to build reputation, i will explain to you how it works. i've been teaching database for a while now.