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Describe the four main ways of optimising disk block access. Ans: a. Disk b. Non-volatile writes buffers c. File organization (Clustering) d. Log-based file system
The database will enable college administrators the ability to track students initial major. This will help college officials decide how best to prepare students for their goals an
Logical Operators Rules of Precedence: Order evaluated Operator 1 All comparison operators 2
Describe Object Relational model ? Object Relational Model - This model combines the characteristics of both relational model and object oriented model. It extends the tradit
What is a hashing function? What are the properties of a good hashing function? Describe the folding technique for hashing functions. Ans: Hashing function is a method
limitations and benefits in database tecknowlagy
Give the limitations of SQL authorization. The code for checking authorization becomes intermixed with the rest of the application code. Implementing authorization by applic
What is storage manager? A storage manager is a program module that gives the interface between the Low level data kept in a database and the application programs
lock and types of lock
I am doing research in this area, especially in sime join and join efficacy when several relations have been queried. Relations located in different sites. I need something like n
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