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What is the initial step for object-oriented designing
The initial step for object-oriented designing is object modeling. Before we go into deep about object modeling first of all we should know "what is the object modeling"? We can say that Object modeling identifies objects and classes in problem domain and identifies the relationship among objects.
In a Hierarchical model of data records are organized ? In the hierarchical model of data records are organized as Tree structure.
What is the use of sub queries? A sub query is a select-from-where expression that is nested with in another query. A common use of sub queries is to do tests for set membershi
Describe a technique for direct search? Explain how data is stored within a file so which direct searching can be performed. For a file of unordered fixed length records by u
Define page. The database is partitioned into some number of fixed-length blocks, which are referred to as pages.
Give the two reasons for allowing concurrency
explain five responsibilities of DBA?
I need help in doing my dbms project
#explain five disadvantages of a dbms..
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The result of the UNION operation between R1 and R2 is a relation that includes? The result of the operation between R1 and R2 includes all the tuples of R1 and R2 which have c
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