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(a) Differentiate between information and data .
(b) List and briefly explain five potential benefits of the database approach compared to conventional file systems.
(c) Differentiate between Database System and Database Management System Support your answer with an appropriate example of each.
(d) With the help of a diagram, explain the ANSI -SPARC Schema architecture. Why do we need mappings between Schema levels?
describe all the tables you have created. ?get table_name, status, num_rows, user_stats in user_tables system view ?get table_name, constraint_name, constraint_type in user_constr
Explain briefly concurrent task by taking an example. Concurrent Task- The concurrent occurrence of more than one event is called concurrent task. Operating systems can handl
1. Staff (staffID --> availabilityID) 2. Services (servicesID --> itemBasedID --> timedBasedID) 3. TimedBased (timedbasedID--> priceid) 4. Clients (clientId, serviceId-->
What are advantages of object models? Object models are efficient for communicating with the application experts and reaching a consensus about the significant aspects of the p
In which format database schema is written ? Data base schema is written in the DDL format.
Events4Fun is an event management company in Europe with branches in South America as well. The company is well-known for its efficiency, good-quality services, and affordable char
Why DML is used for? DML is used to Manipulation and processing of database. DML is provided for manipulation & processing of database. (Data stored in the database is processed
What is hashing file organization? In the hashing file organization, a hash function is computed on some attribute of every record. The result of the hash function specify in
growing phase and shrinking phase are disjoint, why ?
explain various steps uses in evaluation and maintenance of MIS.
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