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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.
Example- Search the salary of employees who are not 'ANALYST' but get a salary below than or equal to any people employed as 'ANALYST'. SELECT EMPNO, ENAME, JOB, SAL FROMEMP
Design a gennalization and specialization hierarchy for an automobile sales company
Draw an E_R Model for the following: An organization uses number of items of a equipment to generates goods. Each item is at one LOCATION, of one TYPE and has a DETAILED_DISCRI
Data Manipulation Language Data manipulation language (DML) describes a set of commands that are used to query and change data within existing schema objects. In this case comm
atient(PNumber, Name, NHS_no, Amount_due, DNO, Doctor, Medical_Treatment), relation of schema Staff(StaffNum, Name, DNO, Task) and relation of schema Dept(DNO, Name, Location, Dire
Security: Data not needed by local applications is not stored at the site, therefore no unnecessary security violations may exist. But how can we carry out fragmentation? Fragm
What are the three data anomalies that are likely to occur as a result of data redundancy? Can data redundancy be completely eliminated in database approach? Why or why not? A
This assignment concerns the Research database. The database ER model is shown above, where attributes are omitted for clarity. The relational model for the database is: Departm
What is schema
Sequential File Organisation The most necessary way to organise the collection of records in a file is to use sequential Organisation. Records of the file are stored in series
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