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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 is an index? An index is a structure that helps to place desired records of a relation quickly, without probing all records.
What are the properties of transaction? There are three properties of transactions :- A) Atomicity B) Consistency C) Isolation
What is SQL, and why is it important? SQL stands for Structured Query Language, and is the most significant data processing language in use today. It is not a complete programm
What is an Index? An index is a small table having only two columns. The first column has a copy of the primary or candidate key of a table and the second column having a set o
State the terms Designing the database and Normalization Designing the database: Out of the ERD we have formed, it is very easy to verify the tables, the attributes which the
triggering
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I have a small project that contains 3 deliverable s. I have done the first one and I would like you to help me with second one
Database Administrator One of the main perpose for having the database management system is to have control of both data or programs accessing that data. The person having li
What is data independence? Data Independence: Techniques which permit data to be changed without affecting the applications in which procedure it. There are two types of data
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