Question: An organisation uses a distributed database over two sites. A and B (the underlined names we the primary keyak Site A holds a relation RC.D.E.F).

An organisation uses a distributed database over two sites. A and B (the underlined names we the primary keyak Site A holds a relation RC.D.E.F). Site Bholds a relation SEG Each attributeuses 2 bytes Assume the following RI=1000 151=100000 To execute the query FESOC-(R) at site A, using the algorithm among the semijoin and the obivols algorithm that minimizes contenunciation in this case, how many bytes do we need to transfer between A and B atminimum? 10 or less 4000 6000 Above 9000 None of the above or we do not have enough information to calculate that

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