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This report identifies and outlines my CIS 499 project named Traffic Data Management
Systems (TDMS). My goal is to design a replica of all traffic issues to be implemented in a database and this system will be maintained daily. We will design and implement a system for the Department of Transportation (DOT). This report provides the description of our system and ER diagram for the required database design.
All the data will be available online so can be viewed from any location by the authorized persons for analysis and decision making. A comment notice board will be implemented where the user can view all the data or filtered data according to the criteria given by the used. This feature will be implemented through oracle portal. Oracle report builder or discoverer will be used for creating the reports.
The database domain, Oracle server technologies for performance enhancement will be inclined to achieve a functional and efficient platform for the TDMS data analysis repository.
Atomicity : Either all functions are laid out or none are. Users could not have to think about the effect of incomplete operations. DBMS ensures this by undoing the functions
Consider the relation PERSON. If you want to display details of persons having age less than or equal to 30 than the select operation will be used as follows: σ AGE The resu
What is Disadvantages Of DBMS ? 1. Cost of Software and Hardware and Migration - A important disadvantage of the DBMS system is cost. 2. Reduced Response and Throughpu
Attribute Preservation This is a easy and obvious necessity that includes preserving all the attributes that were there in the relation that is being decomposed.
What are the ways in which the variable-length records arise in database systems? Storage of many record types in a file. Record types that permit variable lengths for one o
What is OLTP (Online Transaction Processing)? In OLTP - online transaction processing systems relational database design use the discipline of data modeling and generally follo
Advantages And Drawbacks Of Ddbms There are various reasons for building distributed database systems, with sharing of data, reliability and availability, and speedup of query
Discuss the problem of Spurious tuples and how we may prevent it. Ans: A spurious tuple is, mainly, a record in a database that gets created while two tables are joined bad
Explain the uses of deadlock It will lead to deadlock since this is the only place where incoming acknowledgements are processed. Without this code, sender will keep timing ou
Entity types that do not have any key attribute, and therefore cannot be identified independently, are known as weak entity types. A weak entity can be recognized uniquely only by
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