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CS403 Current Final term Paper Fall 2013 Shared by Alisha File 4

Q:1 what are the creteria to judge the affectiveness of a chache memory?
Q:2 Differentiate between procedural and non-prodedural DML.
Q:3 How for should the recovery manager go backword in the log-file to trace the transaction affacted from the crash that the recovery manager needs to redo or ignore.
Q;4 write a SQL command to show all the cities from given students table .city should be not repeated :
STUDENTS(stu_id,stu_name,father_name,address, city , province)
Q:5 Analyze the statement give below and identify as correct or incorrect . Justify
"isolation" ansure that a transaction which is in progress may noot affect the transaction.
Q:6 what are the primary modes of locks? Differentiat between shared and update lock.
Q :7 Analyze the below query and findout why it will not work. correct the error
SELECT*FORM customer WHERE Year>'2004'
Q: 8 analyze the statement. Justify your answer
in RAID level 1 if either drive fails no data is lost.
Q: 9 justify
0)After defining indexes are not updated in any case
1) index can only be defined when table has at least 100 rows




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