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Question: (a) What are the challenges in the development of Large Scale Distributed Real Systems? (b) What is backward engineering and forward engineering in a design packa
What is the most significant feature that does not directly map into programming language structures? Why? Association, since there are complex types of association, like as qu
QUESTION (a)(i) Define the term database. (ii) How is it different from a database management system? (b) What is the difference between an entity and an attribute? (c
sql is relationally complete-justify
Hierarchical model is also known by? A hierarchical model is also known as a Tree structure.
What are ways of finding out either an update is required or not for derived attributes? The ways to find out an update is required or, not are as: Explicit update
What is called query processing? Query processing refers to the range of activities included in extracting data from a database.
Define query optimization. Query optimization refers to the process of search the lowest -cost method of evaluating a given query.
What are the different strategies of implementation of the Statecharts? There are two strategies for implementation of state charts: i) Basic Implementation Strategy
Define the Immediate Update The immediate update methods may apply changes to the database on disk before the transaction arrives a successful conclusion. Though, these change
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