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Improved performance:As the data is located near the site of its demand, and given the inherent parallelism because of multiple copies, speed of database access may be good for distributed databases than that of the speed that is achievable by a remote centralised database. Also, since every site handles only a part of the whole database, there may not be the similar contention for CPU and I/O services as characterized by a centralised DBMS.
What are the features of embedded SQL? Explain. Embedded SQL - SQL could be implemented within two ways. It can be used interactively or embedded in a host language or throu
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What is B-Tree? A B-tree eliminates the redundant storage of search-key values .It permits search key values to appear only once.
This constraint shows that the key attribute value in each tuple must be unique, i.e., no two tuples have the similar value for the key attribute. This is because the value of the
State the functional approach of object oriented methods Moving from a functional approach to an object oriented one needs a translation of functional model elements into objec
Describe Parameteric end users? Parametric end users might be given update access, but are commonly not permitted to change the structure of data.
Which two files are used during operation of the DBMS? Data dictionary and transaction log are two files used during operation of the DBMS.
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
Define two-phase locking protocol. Ans: Two-phase locking is significance in the context of ensuring that schedules are serializable. The two-phase locking protocol defines a p
What is known as a search key? An attribute or set of attributes used to look up records in a file is known as a search key.
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