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Instructions: Create a database design (schema) based on the following problem description. You need to list the tables, the fields, the primary key of each table, and all foreign keys. You will probably want to draw this on paper, though there are free tools to create diagrams. Sample domain description for a movie database A DVD collection contains many movies. Each movie is in one or more genre. Each movie has 1 or more actors in it. Each actor can be in multiple movies. Each movie has a title and an MPAA rating. Each actor has a name, gender, and birthday. Assume that the DVD collection does not contain multiple copies of the same movie. Instructions: Based on feedback from Homework 1, make corrections to your database design (schema) based on the following problem description. You need to list the tables, the fields and datatypes, the primary key of each table, and all foreign keys. You will probably want to draw this on paper, though there are free tools to create diagrams. Note the addition of datatypes. You may upload your results to Canvas or turn it in on paper. Sample domain description for a movie database A DVD collection contains many movies. Each movie is in one or more genre. Each movie has 1 or more actors in it. Each actor can be in multiple movies. Each movie has a title and an MPAA rating. Each actor has a name, gender, and birthday. Assume that the DVD collection does not contain multiple copies of the same movie
To identify the number of employees at the New Book Sales Corporation, you view the records in the Sales Department table.
These comprise NOT NULL, CHECK, UNIQUE, REFERENTIAL INTEGRITY, and PRIMARY KEY constraints. Are these constraints which we are talking about easy to implement in Access Database?
The marking scheme, which is given in detail below, particularly rewards the way in which you relate your specific proposals to the material presented in the Course.
Determine the Cartesian product (A X B) of the given pair of sets. A => Set of first letter of names of countries = A = { R, S, T } B => Set of numbers denoting Postal codes = B = { 0001, 1001}.
A corporate venture has the resources of a large organisation and the entrepreneurial Benefits of a small one
Describe how you would implement relationship between employees and projects in each of the given scenarios: Many employees can work on given project, but each employee can work on only single project.
optimize the query in the select script using Alter Table to add appropriate indexes. Also use Optimize and Explain to show how the performance of this query has improved.
Indexing can affect the performance of a general-purpose database that has roughly equal numbers of fetches and changes. The decision to add an index can improve the performance of a system but can also degrade it.
Design relation schemas for the entire database.
Consider a case that is not described above, but could happen in the business of the ABS. Please explain the case and why it might occur and based on the case you proposed, modify your design of the ABS database accordingly.
He wishes you to group data by insurance company number, with subtotals by company and grand totals for each numeric field.
A Relational schema of your database in 3NF, clearly indicating attributes, the data type of each attribute, primary and foreign keys, candidate keys, and which attributes are nullable, giving reasons. List any assumptions you need to make.
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