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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.
What is Trigger? Trigger: A database trigger is procedural code which is automatically executed in response to specific events on a particular table in a database. Triggers can
Which is another name for weak entity? Child is another name of weak entity.
File Organisation And Its Types Just as arrays, trees, lists and other data structures are used to execute data Organisation in main memory, a number of planning's are used to
What is assertion? Mention the forms available. An assertion is a predicate expressing a condition that we wish the database always to satisfy. Domain integrity constraints.
What is object identity? An object retains its identity even if some or all the values of variables or explanations of methods change overtime.
Define in which normalisation form if an attribute of a composite key is dependent on an attribute of other composite key. Ans: 3NF A relation is in 3 NF if an attribute of
Q. State the Technique for converting a state diagram to code. i) Identify the major control path. Starting with first state, find the path from diagram that corresponds
What is nested relational model? The nested relational model is an extension of relational model in which domains might be either atomic or relation valued.
You must implement the entity relationship model provided in the model solution to Assignment 1. The model solution will be released on the course website approximately TWO (2) we
Define physical image of a global relation at a site
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