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What are two special events? The two special events are as "entry" and "exit". Any action which is marked as linked to entry event is executed whenever given state is entered v
Whenever the LIMIT clause will be used? LIMIT is used for the following kinds of problems: 1) Answering questions about first or last and largest or smallest 2) Splitting
external and internal mapping with examples
What are the objectives of query processing? Ans: The objectives of query processing is to transform a query written in a high level language into a accurate and efficien
The data of a view is not physically stored, but derived from one or more tables. True the data of a view is not physically stored
What is Thread splitting A thread of control is a path by which a set of state diagrams on that a single object is active at a time. Objects are shared between threads
List the set operations of SQL? 1) Union 2) Intersect operation 3) The except operation
There are two major types of fragmentation: Horizontal& Vertical. Horizontal fragments, as the name suggests are subsets of tuples and vertical fragments are subsets of attributes
What is association? Give an example of association Association is used for establishing relationships among classes. Association describe links among/between classes. For exa
In E-R Diagram how relationship type is represented ? In E-R Diagram relationship type is represented as a Diamond.
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