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What is transaction?
Collections of operations that form a single logical unit of work are known as transactions.
Give short note on the following terms:Dirty pages and ETL a.) Dirty pages. These are buffer pages which comprise modifications which haven't been written to disk. b.
Differentiate between B-tree and B + tree Ans: A B-tree (or Balanced Tree) is a search tree along with additional constraints that makes sure that the tree is all the time
1.Why we need data mining? Give an example to illustrate your answer. 2. Why data mining is considered as "misleading name"? 3. Distinguish the difference between database an
explain participation constraints with examples
How do I use strap on?#
Describe multi key files
What are multiple inheritances? Multiple inheritances allow a class to inherit variables and methods from many super classes.
Find the names of all Albums that have more than 30 tracks. Result: (name: varchar(255))
Define Boyce codd normal form A relation schema R is in BCNF with respect to a set F of functional dependencies if, for all functional dependencies in F + of the form.α ->β.
Describe the different RAID levels. Discuss the choices of the different RAID levels for different applications. Ans: There are several combinations of these approa
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