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What is meant by heuristic optimisation?Discuss the major heuristics that are applied during query optimisation.
What is known as a search key? An attribute or set of attributes used to look up records in a file is known as a search key.
Using a labelled diagram explain the operation of the Data Warehouse, define the basic architectural components and outline the main functionalities. Briefly explain the role an op
What is persistency? Persistency ensures which data is stored and that after the object is no longer available (program stops running) the data will be available to other users
Find the names of all Albums that have more than 30 tracks. Result: (name: varchar(255))
How does the two phase protocol ensure serializability in database schedules? Ans: A transaction is termed to follow the two-phase locking protocol if all locking operations
I want to fragment existing table using java code... help me..!!
Differentiate between Primary and secondary storage? Primary and secondary storage - Primary storage device stores the data temporarily. Primary storage is commonly used thro
Hi, Do you offer private tuition for DBMS?
Homework chapter 10 no 3
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