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Explain the Natural join
Natural join is a binary operator which is written as (R* S) in which R and S are relations. The effect of the natural join is the set of all combinations of tuples in R and S which are equal on their general attribute names. In this just only one column along attributes comprising similar name is retained.
State The position of object at any moment is called state. An object can have many states depend upon time. After receiving some input instructions, the object can change its
explain three types of internet risks to the consummers whent he business system is data dependent. how can we minimise these risks
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what would go in order patient#, patient name, patien address, surgeon#, surgeon name, surgery date, surgery type, drug admin
What is a Database? To know what database is, we have to start from data, which is the basic building block of any DBMS. Data: Facts, figures, statistics etc. having no pa
define normalisation and functional dependency
Durability : This property necessitates that once a transaction has committed, the changes made by it be never lost because of subsequent failure. Thus, a transaction is also a bas
#question benefits and limitations of data models..
Add generation capabilities and/or tailor the built-in functionality of generator. This enables you to produce "all" the test data for the MySQL tables you produced in the previous
WHY SHOULD NULL IN A RELATION BE AVOID AS possible?
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