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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.
What are the uses of ODBC? Under what circumstances we use this technology? ODBC expose database capabilities within a standardized way to the application programmer by an ap
Define physical and logical data independence. How does this architecture help in achieving these? Data independence entails that change in one view must not need a change in t
Give the two reasons for allowing concurrency
What is the use of Union and intersection operation? Union: The result of this operation contains all tuples that are either in r1 or in r2 or in both r1 and r2.Duplicate tuple
Column Constraints: NOT NULL, UNIQUE, CHECK, PRIMARY KEY, DEFAULT, REFERENCES, On delete Cascade : Using this key whenever a parent row is removed in a referenced
What are the two main goals of parallelism? Load -balance multiple small accesses, so that the throughput of such accesses enhances. Parallelize large accesses so that the res
Explain the rules for creating a labelled precedence graph for testing view serializability. Ans: A schedule S is view serializable if it is view equivalent to a ser
Which sorting technique is used to sort databases, whose sizes are very big? Give one such algorithm. Why do sorting techniques like quicksort, insertion sort, etc. not applied
What is called mirroring? The simplest approach to introducing redundancy is to duplicate each disk. This method is called mirroring or shadowing.
Timestamp Ordering Protocol A timestamp is a tag that can be attached to any transaction or any data item, which indicates a specific time on which the transaction or data item
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