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Explain how the associations are implemented as classes.
A general approach in this case is to transform an association class into a simple class linked to two original classes with the two new associations, as shown in Figure.
Figure: Transforming the association into a class
Consider the relations described below: PHYSICIAN (regno, name, telno, city) PATIENT (pname, street, city) VISIT (pname, regno, date_of_visit, fee) Where the regno and pname ide
Explain in detail the consistency model of the distributed file system you studied (GFS or AFS). Present the consistency model chosen and how it was achieved through design. Clarit
Define- relational algebra. The relational algebra is a procedural query language. It having of a set of operations that take one or two relation as input and make a new relati
Define tuple variable Tuple variable is a type of variable whose domain is the set of all tuples.
What is Relational Algebra? Relational algebra is a Procedural query Language?
need to get answer for questions 3&4 on this page in part 1
does tables are called relations
Define an operator that a Relational Algebra does not have Ans: Relational Algebra does not have Aggregation operators.
let us consider a table having 2200 records and the fixed size of the table to be considered as 25.then how many numbers of table is requredto perform horizontal fragmentation
assume we have the following apllicationthat model sccer team the games they play and the players inv each teamin the design we want to capture
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