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Construct a generalization-specialization hierarchy for a motor-vehicle sales company. The company sells motorcycles that comprise an engine number and cost; cars that have a chassis number, an engine number, seating capacity and cost; trucks that have chassis number, an engine number and cost.
How many levels can be viewed in Architecture of the database ? Architecture of the database can be viewed as three levels.
Describe Database state in details? Database state: The actual data within the database at a particular moment in time is known as a database state.
how many types of data model in DBMS? explain data abstraction with its different level
The aims of the project are: 1. To enable the students to undertake the detailed design of a specific plant or process 2. The design projects includes: process selection; und
What is average response time? The average response time is that the average time for a transaction to be done after it has been submitted.
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
explain external view
Research Value: 7% Due Date: 17-Sep-2018 Return Date: 11-Oct-2018 Length: 700 words Submission method options: Alternative submission method Task back to top You are required to
Need a sample of a clinic database relationships
Data Replication "If a relation R has its copies kept at two or more sites, then it is considered replicated". But why do we replicate a relation? There are several advan
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