Related Questions

If no multivalued attributes exist and no partial dependencies exist in a relation, then the relation is in what normal form?
A First normal form
B Second normal form
C Third normal form
D Fourth normal form
Which of the following is a disadvantage of replication?
A Improved performance
B To move data closer to the user
C Easy maintenance
D None of the mentioned
DNA Replication-এর জন্য দরকার কোনটি?
A রাইরোজ
B রেস্টিকশন এনজাইম
C RNA পলিমারেজ
D DNA পলিমারেজ
Synchronization for pull replication is less disruptive and occurs only when needed by each site, not when a central master site thinks it is best to update.
A True
B False
Data replication is favored where most process requests are read-only and where the data are relatively static.
A True
B False
which of the following characteristics should exist to recognize a business as a partnership ?
A The business needs to be registered with the Registrar of companies
B There needs to be co-ownership a business and intention to share profit
C The owners should have written an agrecment to conduct business as partners
D The business n'eeds to have more than one woner
Which of the following characteristics should exist to recognize a business as a partnership?
A The business needs to be registered with the Registrar of companies
B There needs to be co-ownership, a business and intention to share profit
C The owners should have written an agreement to conduct business as partners
D The business needs to have more than one owner
Which of the following conditions should exist if you want to convert a relationship to an associative entity?
A Some of the relationships for the participating entities are 'many'.
B The resulting associative entity has an independent meaning.
C The resulting associative entity has no attributes.
D All of the above.
It is disease which used to exist in the past in most countries of old world.
A Small pox
B Malaria
C Measles
D Cholera
When the values in one or more attributes being used as a foreign key must exist in another set of one or more attributes in another table, we have created a(n):
A Transitive Dependency
B Insertion Anomaly
C Referential Integrity Constraint
D Normal Form

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