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Differentiate between natural join and outer join? Natural join is a binary operator which is written as (R * S) where as R and S are relations. The output of the natural join
The clause in SQL which specifies that the query result should be sorted in ascending or descending order based upon the values of one or much more columns is Ans : Order by
Q. Describe how an ER schema can be represented by relation schemas and constraints arising from ER design can be mapped to constraints on a relation schema. The entity rela
A student entity type has the following attributes,name..
What is nested relational model? The nested relational model is an extension of relational model in which domains might be either atomic or relation valued.
What is object identity? An object retains its identity even if some or all the values of variables or explanations of methods change overtime.
Develop C# schoolproject ASAP Helping me with schoolproject. The project is prepared in C# and haves a database connection. We have some small issues asking up data from t
Key to represent relationship amongs tables is called ? A Key that represent the relationship between tables is called Foreign Key.
WHAT IS SQL
what is Mapping Constraints? with examples
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