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The ER diagram clearly showing the additional tables you have implemented.
SQL table creation scripts for the tables you have set up.
SQL scripts showing the sample data you have inserted into your database. The data should fully test the functionality of the system, as illustrated by your SQL queries (below).
SQL script for a view creation statement, together with an explanation of the rationale for this view.
SQL scripts for 8 substantial SQL queries that demonstrate some significant functionality of the system, with an explanation of their rationale/use. The SQL should be provided, together with a screen print of the output it produces. The queries you choose should illustrate the breadth and potential of the implemented database, as well as a good understanding of SQL.
SQL scripts for two PL/SQL procedures/triggers that extend the functionality of SQL and best demonstrate your understanding of PL/SQL, with an explanation of their rationale and a screen print of the output to demonstrate that they work. The triggers should be used to implement business rules that you have identified.
You will be required to demonstrate your database to your tutor in week 14 - the exact date/time will be posted on Blackboard.
List any two significant differences between a file processing system and a DBMS. File Processing System vs. DBMS Data Independence - Data independence is the capacity t
Explain the Weak Entity Set An Entity set which does not have sufficient attribute to make a primay key is known as weak entity set. For instance, dependents of an employee in
Draw an Entity-Relationship model for the relational schema given in the Appendix. Show all the entities, relationships, relationship names, and attributes and also underline the
Explain recovery process after system failure using checkpoint. Ans: Checkpoint scheme or method is an extra component of the log based recovery system. This scheme is used to
Type of database technology
In a Hierarchical model of data records are organized ? In the hierarchical model of data records are organized as Tree structure.
What is the use of a slotted-page structure and what is the information are there in the header? The slotted-page structure is used for organizing records within a one block.
It defines that no primary key value can be null. This is as the primary key is used to recognize individual tuple in the relation. So we will not be able to recognize the records
Task Partitioning, Sequencing and Project Planning The tasks required for the service might be broadly partitioned into: 0. Set up database tables and account file
write program
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