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Examples:-
Hierarchical Model: It tells data as and relationships by hierarchy of data values. Figure illustrates an example of hierarchical model. Now a day's these models are not used in commercial DBMS products.
Figure: An example of Network Model
Figure: An example of Hierarchical Model
Describe the Association: Design Before we describe association design let us define association "Association is set of links between two objects in the object model". It is
anyone have a textbook solutions case fair, 8 edition of vol 1 ?, please give me
Define the Query optimisation The query parser commonly generates a standard initial tree to correspond to an SQL query, with no doing any optimization. Such type of a canonica
average response time?
Define Deadlock avoidance These protocols as well ensure that the system will never enter a deadlock state although the way it is done is different from deadlock prevention. I
how does Btree differ from a B+ - tree?
What is an index? An index is a structure that helps to place desired records of a relation quickly, without probing all records.
What are the comparison operator in SQL? Comparison operator in SQL are =, LIKE and BETWEEN
What is data integrity? Ans: It is the data consisted of in database that is accurate and consistent. (Data integrity means that the data should be valid as per to the give
Explain the systems development life cycle. This is the traditional method to develop, maintain, and replace information systems that contains the project identification and se
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