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The database will enable college administrators the ability to track students initial major. This will help college officials decide how best to prepare students for their goals and to follow students into their careers. If there are majors where graduation rates are low it can help administrators decide how to better serve students, make changes to the curriculum or change standards of acceptance into the program.
Diagram Tool:ER AssistantDatabase:Oracle 10g, using Nova.Hardware and Software:UMUC server system (Nova). Operating system is UNIX.
DDL and DML:
SQL (Structured Query Language) will be used for the DDL and DML. For my DDL scripts, I will use SQL to translate the information captured in my ER diagram (created in ER Assistant) into database table creation scripts. For my DML scripts, I will use SQL to insert rows of data into my database tables.
Foreign Keys and NULL Let us take the relation: DEPT DEPT ID DNAME BUDGET D1 M
QUESTION (a) Consider a car database consisting of car model, car make, car origin, Engine capacity, color, cost.
List the requirements needed to design a trigger. The requirements are:- Specifying when a trigger is to be implemented. State the actions to be taken when the trigger im
What is a homogeneous distributed database? In homogeneous distributed databases, all sites have the same database management system software, are aware of one another, and agr
Design a gennalization and specialization hierarchy for an automobile sales company
What is data model? Explain object based and record based data models? Ans: A data model is an abstract model in which describes how data is represented and accessed. (i)
What is a data dictionary? A data dictionary is a data structure which keeps Meta data about the structure of the database i.e. the schema of the database.
Two-way Associations Mostly, associations are travel in both directions, although not usually with same frequency. There are three approaches for the implementation. In
what is view?explain
Data Fragmentation "Fragmentation includes decomposing the data in relation to non-overlapping component relations". Why do we require fragmenting a relation?
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