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Describe five main functions of a database administrator.
Ans: A database administrator (DBA) is a person who is accountable for the environmental aspects of a database. Generally, these include:
a) Recoverability - Creating and testing Backups
b) Integrity - Verifying or helping to verify data integrity
c) Security - Defining and/or implementing access controls to the data
d) Availability - Ensuring maximum uptime
e) Performance - Ensuring maximum performance
f) Development and testing support - Helping programmers and engineers to efficiently utilize the database.
What are the advantages of creating a table from existing table?
Drawbacks of Data Distribution: The primary drawbacks of distributed database systems are the added complexity needed to ensure proper coordination between the sites. This increas
Have database built but having problems with some questions that go with the database
explain ER Modeling?
Modular growth: In distributed environments, it is simple to expand. Latest sites can be added to the network without affecting the operations of other sites, as they are somewhat
The ABC Bank authority now wants to create a database for their customers. So you are requested to modify your program of Assignment A3 as follows. The main program first displa
need a DBMS system on any data for assignment.
The natural join is equal to which product? The natural join is equal to Combination of projection and Cartesian product
basic structure of xml
Birla Institute of Technology & Science, Pilani Work-Integrated Learning Programmes Division Second Semester 2012-2013 EC-1 Assignment 2 (7.5% of the grade) Course No. : SS ZG
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