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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.
Describe entity referential integrity and integrity. Give an example of each. Entity Integrity Rule - If there is a attribute A of relation R is a prime attribute of R then A
explain participation constraints with examples
Two Phase Locking (2PL) The two-phase locking protocol having of two phases: Phase 1 : The lock acquisition phase : If a transaction T needs to read an object, it wants to
" Wound-wait" scheme : It is based on a preemptive method. It is based on a simple rule: If Ti requests a database resource that is held by Tj
At its most essential level the DBMS architecture can be divide into two parts: the back end and the front end. The back end is responsible for managing the physical database an
What is known as heap file organization? In the heap file organization, any record can be placed anywhere in the file where there is space for the record. There is no ordering
Explain the use of constraints in functional model with suitable example. A constraint shows relationship between two objects at same time, or among various values of the sam
Explain several types of constraints that can be specified using CREATE TABLE command. Explain CASCADE and RESTRICT clauses of DROP SCHEMA command? Constraint Description PRIM
management information system based on functional organisation
Many-to-many : Entities in A and B are related with any number of entities from each other. Example: Taught_by Relationship among course and faculty. One faculty member ca
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