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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.
Lock Based Protocol A lock is nothing but a mechanism that tells the DBMS whether a particular data item is being used by any transaction for read/write purpose. As there are t
What is Functional Dependency? A Functional dependency is shown by X Y among two sets of attributes X and Y that are subsets of R specifies a constraint on the possible tuple
Consider the E/R schema with weak entity sets shown below. Come up with the SQL CREATE TABLE statements (with appropriate primary key, unique and foreign key constraints). Include
Determine the Disadvantages of file based systems Some of the disadvantages of file based systems are like this: Data redundancy and inconsistency: the dissimilar applic
How to use Oracle
Distributed Control and Data sharing: The geographical distribution of an organization can be showed in the distribution of the data; if a number of different sites are linked to e
Using Column aliases Example: To print column names as NAME and ANNUAL SALARY SELECT ENAME "NAME", SAL*12 "ANNUAL SALARY" FROM EMP;
What is equi join? Equi Join - It generates all the combinations of tuples from two relations which satisfy a join condition along with only equality comparison (=).
Submit the table creation statements (including constraints) for the Database Model. Submit them all in a single script file. Also submit a document explaining what test data yo
Determine the advantage of object-orientation Finally, object-orientation has advantage of continuity throughout analysis, persistent representation and design implementation.
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