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Using a database design approach of your choice, produce a logical design for Pharma.
1) Your answer must consist of ONE the following:
2) You must provide a complete data dictionary.
(B) Based on your logical design from Part 2 (A) and the information available in the scenario, produce an SQL script file using Oracle 10g.
explain the mapping constraints
What is deadlock? How can it be avoided? How can it be resolved once it occurs? Deadlock happens when two transactions are each waiting on a resource that the other transaction
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We define a view in SQL through using the create view command. To describe a view, we must provide the view a name and must state the query in which computers the view. The form of
The need for three level architecture The aim of the three level architecture is to divide each user's view of the database from the way the database is physically shown.
Define decision tree classifiers? As the name suggests decision tree classifiers use a tree: Every leaf node has an associated class, and every internal node has a predicate as
how to calculate frequency count of algorithm
Q. Why would you choose a database system instead of simply storing data in operating system file? Define at a base concept in details. Sol. Advantages of Database over Fil
System level permissions : With the use of data dictionary you can view them. Let us take the table name as user_sys_privs (used in oracle). DESCRIBE USER_SYS_PRI
Give an example of Object Representation For illustration, consider the implementation of a social security number within an employee object that is shown in Figure. The soci
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