Voyage Simulation Relation

Which of the following defines a relationship in which each occurrence of data in one entity

Step 2. Data Analysis: The data will be analyzed to determine database modeling. Step 3. Database normalization: Fields and

Identify the different types of entities, attributes, keys and relationships you will want to consider when designing the database.

Q 1: Perform Verify and Count Commands for all three tables and identify any exceptions.

In order to complete this task, I will need the data that needs to be inserted into the table, and how the information will be used.

# 6: Given a physical database containing tables and relationships and business requirements, create the necessary queries.

A relational database is a database that consists of a collection of tables with columns showing entities, and rows showing data. This type of database uses a primary key and foreign key. The foreign key in another table will point to the primary key of a table, and this is how tables can relate to each other. This permits for one-to-one, one-to-many, and many-to-many relationship between the data. An advantage of relational databases includes the ease of adding or modifying new tables and entities without needing to change the structure of the database already in place. Relational database have many features, including indexing, setting data type, and setting validation tests, all these help to ensure data integrity.

1.4 For the tables you created in Review Question 1.3, what are the primary keys of each table? Do you think that any of these primary keys could be surrogate keys?

B. Key Generation: The key generation phase takes set of attributes S as input and the secret key equivalent to S is produced as output. Initially, it selects a random number from . Then, it calculates the key as

Prior to designing my database, I will have a clear understanding of the data. This will allow me to determine the purpose of the database. Once all information is

First our team will talk about how Microsoft Access was used to create these tables by Huffman Trucking Database. Then how we used the tables with made up information to be tested on. Then on how we used forms in the maintenance database system. While the creation of relationships and normalization is explained in the process of using queries to search the database (University of Phoenix, 2007).

5) The SQL keyword CONSTRAINT is used in conjunction with the SQL keywords PRIMARY KEY and

‘Castaway ‘, directed by Robert Zemeckis, is a 2001 film starring Tom Hanks. Hanks stars as Chuck Noland, a FedEx delivery man whose life is headed in the ‘right direction’, until his plane crashes and he is stranded on an island. He must adapt to his new life on the island; overcoming many obstacles in order to survive. ‘Castaway’ explores three different journeys; physical, inner and imaginative. Chuck Noland is a filmic representation of the philosophy of time equals money equals fulfilment. Zemeckis is deliberate in his obvious manipulation of the responder as he uses a multitude of filmic techniques to create a connection between the audience and Chuck.

Draw an REA diagram with cardinalities and tables with primary keys, foreign keys, and non-key attributes for the following business:

We expect the daily hire rates to increase from 2001 to 2002, but then to decrease overall in the long term based on the assessment of the consulting firm. The consulting firm based their forecast on higher demand in iron ore shipments. They claim demand in iron ore shipments has historically shown a strong correlation with charter rates, and we believe this makes sense. Vessel size, distance of route, and demand for ore/coal are drivers of daily rates.