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What is a primary index?
A primary index is an index whose search key also explains the sequential order of the file.
random file sharing
Explain the Functional Mode with help of an example. Functional Model The functional model shows a computation and functional derivation of data values in it without ind
in an organization several projects are undertaken. Each project can employ one or more employees. Each employee can work on one or more projects. Each project is undertaken on the
In case of entity integrity, the primary key may be declared? In a case of entity integrity primary key may be not Null.
Explain data independence ? Data independence is the capacity to modify the schema at one stage of a database system without having to change the schema at the further level.
compare the features of oracle RDBMS with MySQL and Microsoft SQL server
Question (a) Differentiate between the following terms: (i) Distributed Database v/s Distributed Database management System (ii) Homogeneous Distributed Database v/s Hete
Three way to handle missing field val
What is DAG? The class-subclass relationship is shown by a directed acyclic graph.eg: employees can be temporary or permanent. We might be create subclasses temporary \and perm
Advantages and disadvantages of icloud based storage
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