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Consider the join of a relation R with relation S. If R has m tuples and S has n tuples, then the maximum size of join is: If R has m tuples and S has n tuples then maximum siz
what do you mean by consistency in rdbms?
What are axioms? Axioms or rules of inference give a simpler technique for reasoning about
What is first normal form? The domain of attribute must contain only atomic (simple, indivisible) values.
What are the problems if one were not to normalize? When do these problems surface? Ans: Database normalization, sometimes considered to as canonical synthesis, is
How to Insert data in your table from another table? insert into e.g, To insert tuples from employee into N_emp created above, use following statement Insert into N_emp
What is a Built-in A notation of identity is built-into the data model or programming language and no user-supplied identifier is needed. This form of identity is used in objec
a brief definition
What functions does a data dictionary perform? In a (DBMS)data management system, the principal functions performed by the data dictionary are Management of data defini
What is the use of unique function? UNIQUE function: If UNIQUE is specified then only unique values are used to computed the mean.
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