Question: A semijoin is which of the following?
Options
A : Only the joining attributes are sent from one site to another and then all of the rows are returned.
B : All of the attributes are sent from one site to another and then only the required rows are returned.
C : Only the joining attributes are sent from one site to another and then only the required rows are returned.
D : All of the attributes are sent from one site to another and then only the required rows are returned.
Distributed Databases - General Questions more questions
Which of the following is true concerning a global transaction?
A homogenous distributed database is which of the following?
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Storing a separate copy of the database at multiple locations....
A distributed database is which of the following?
Which of the following is a disadvantage of replication?
A distributed database can use which of the following strategies?
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The DBMS acts as an interface between what two components....
Which of the following products was an early implementation of....
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