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Increased parallelism: Since the replicated date has several copies a query can be distributed or can be answered from the smallest loaded site. Also, with more replicas you have greater chances that the required data is found on the site where the transaction is implementing. Hence, data replication can minimise movement of data among sites.
Benefits and Limitations od Data Models?
define normalisation and functional dependency
What are the technique to define a schema completely ? A schema is completely define by DDL and DML query language.
These permit the user to unload a database or parts of a database and reload the data on the similar machine, or on another machine in a dissimilar location. This can be useful in
define locking in simple language and decribed it
I need help with data warehousing and business intelligence course project about designing a data warehouse for a jewelry company that does not have one
imagery
to develop elrctronic database from manual forms
Differentiate between horizontal & mixed horizontal fragmentation?
What is meant by Physical blocks? The input and output operations are completed in block units. The blocks residing on the disk are referred to as physical blocks.
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