Database Technology Administration Database Technology Essay

Length: 15 pages Sources: 15 Subject: Education - Computers Type: Essay Paper: #84577593 Related Topics: Database Security, Green Computing, Administration, Beach
Excerpt from Essay :

"

"STUDENT INFORMATION TABLE" (

"STUDENT ID" CHARACTER (4) NOT NULL,

NAME CHARACTER (25) NOT NULL,

"STREET NUMBER" CHARACTER (10) NOT NULL,

"STREET NAME" CHARACTER (25) NOT NULL,

CITY CHARACTER (25) NOT NULL,

STATE CHARACTER (10) NOT NULL,

EMAIL CHARACTER (25) NOT NULL,

"PHONE NUMBER" CHARACTER (15) NOT NULL );

CONNECT RESET;

SQL FOR Book_Information

CONNECT TO LIBRARY;

CREATE TABLE "USER";

CREATE TABLE BookInformation (

"BookISBN" CHARACTER (10) NOT NULL;

"AUTHOR" CHARACTER (25) NOT NULL;

"TITLE" CHARACTER (50) NOT NULL;

"PRICE" CHARACTER (10) NOT NULL;

CONNECT RESET;

SQL STATEMENT FOR CD

CONNECT TO LIBRARY;

CREATE TABLE "USER";

CREATE TABLE CD (

"CD-Id" CHARACTER (25) NOT NULL;

"AUTHOR" CHARACTER (25) NOT NULL;

"TITLE" CHARACTER (25) NOT NULL;

"PRICE" CHARACTER (25) NOT NULL;

CONNECT RESET;

Experience Gained from this Assignment

The assignment has enhanced my greater understanding on the method to use IBM DB2 Express to develop database. Although, it takes me several hours to download the software; however; I have learned several techniques to develop the database. Although, I have already developed the method to create database from the classroom note, however, the IBM DB2 Express has improved my understanding on the method to use the software to develop a database table. In addition, the assignment has developed my knowledge on the database normalization. Through normalization process, I have been able to improve the functionality of the table. While this assignment has improved my knowledge on the database development, there are still some challenges faced in the assignment; first, it took me some time to write the SQL code to create the table. Essentially, thorough understanding of SQL is very important in the database, and understanding of SQL is very important in this assignment.

PART 4 OF THE ASSIGNMENT

Normalization is the process of simplifying database in the normal form to give the database optimal structure. The normal form should be in a linear progression of a rule where higher normal form achieves better and more efficient form. Normalization theory reveals normal forms as follows:

1. First Normal Form (INF)

2. Second Normal Form (2NF)

3. Third Normal Form (3NF)

4. Boyce Codd Normal Form

5. Fourth Normal Form

6. Fifth Normal Form

The student database has met First Normal Form (INF) normalization requirements based on the following reasons:

First Normal Form (INF) reveals that all column values in the database must be atomic. The INF dictates that for every row-by-column in a given table, there should be only one value and not list of value or array of value. The benefit of this rule is that if all the list of values is stored in a single form, there is no way to retrieve data from the database, and there is no way to manipulate those values. The Student Table does not violate INF rules because the lists of values are stored in a separate column. Typically, the data stored in the Student Table are atomic because it is easy to retrieve information from the table, and it is easy to create report from the table. While INF prohibits the presence of repetition, the Student Table satisfies the requirements of the INF because the table stores single item columns in separate column.

Second Normal Form (2NF)

A table is in Second Normal Form (2NF) if it has satisfied the requirement of INF and if its non-key column is fully dependent on the entire primary key. Similarly, "tables should only store data related to one entity and the entity should be described by its primary key. In addition a table is said to be in Third Normal Form (3NF), if it is in 2NF and if all non-key columns are mutually independent." (Litwin, Getz & Gunderloy, 2002 P. 13)." Based on the rules of the 2NF and 3NF, it is critical to redesign a new table to satisfy the Second Normal Form and Third Normal Form requirements. The new tables are created to meet normalization standard and the tables are created using SQL in DBMS.

SQL FOR STUDENT INFORMATION TABLE

CONNECT TO LIBRARY;

CREATE TABLE "USER."

"STUDENT INFORMATION TABLE" (

"STUDENT ID" CHARACTER (4) NOT NULL,

NAME CHARACTER (25) NOT NULL,

"STREET NUMBER" CHARACTER (10) NOT NULL,

"STREET NAME" CHARACTER (25) NOT NULL,

CITY CHARACTER (25) NOT NULL,

STATE CHARACTER (10) NOT NULL,

EMAIL CHARACTER (25) NOT NULL,

"PHONE NUMBER" CHARACTER (15) NOT NULL );

CONNECT RESET;

NEW STUDENT INFORMATION TABLE

STUDENTID

STREETNUMBER

STREET NAME

CITY

STATE

EMAIL

PHONENUMBER

CHAR (4) NOT NULL

CHAR (25) NOT NULL

CHAR (10) NOT NULL

CHAR (25) NOT NULL

CHAR (25) NOT NULL

CHAR (25)

CHAR (25)

CHAR (15)

JOHN

PINE

SACRAMENTO

CA

401-452-6241

MARY

45

ROSE

SAN DIEGO

CA

714-452-0211

JASON

WINCHESTER

SAN JOSE

CA

562-890-2233

BOB

SANTA

CRUZ

CA

800-256-4587

LILY

EL CAMINO

ALBANY

KY

650-123-8000

MATT

CAMPBELL

BOWLING GREEN

OH

312-567-4650

DAVID

PEACH

JACKSON

MS

650-338-9910

JASON

MOODY

OCCASION SIDE

CA

310-456-6790

TIM

DECATUR

DECATUR

GA

770-323-9955

...

However, they have not yet satisfied the Third Normal Form (3NF). To ensure that all the tables meet the normalization process and satisfy the 3NF, the table must be mutually independent. (Johnson, 2011).

The paper provides the SQL statement and tables that meet 3NF

SQL STATEMENT OF STUDENTS WHO LIVE CALIFORNIA

CONNECT TO LIBRARY;

CREATE TABLE "USER."

"STUDENT WHO LIVE IN CALIFORNIA" (

"STUDENT ID" CHARACTER (4) NOT NULL,

NAME CHARACTER (25) NOT NULL,

"STREET NUMBER" CHARACTER (10) NOT NULL,

"STREET NAME" CHARACTER (25) NOT NULL,

CITY CHARACTER (25) NOT NULL,

STATE CHARACTER (10) NOT NULL,

EMAIL CHARACTER (25) NOT NULL,

"PHONE NUMBER" CHARACTER (15) NOT NULL );

CONNECT RESET;

TABLE OF STUDENTS WHO LIVE IN CALIFORNIA

STUDENTID

STREETNUMBER

STREET NAME

CITY

STATE

EMAIL

PHONENUMBER

CHAR (4) NOT NULL

CHAR (25) NOT NULL

CHAR (10) NOT NULL

CHAR (25) NOT NULL

CHAR (25) NOT NULL

CHAR (25)

CHAR (25)

CHAR (15)

JOHN

PINE

SACRAMENTO

CA

401-452-6241

MARY

45

ROSE

SAN DIEGO

CA

714-452-0211

JASON

WINCHESTER

SAN JOSE

CA

562-890-2233

BOB

SANTA

CRUZ

CA

800-256-4587

JASON

MOODY

OCCASION SIDE

CA

310-456-6790

SQL STATEMENT OF STUDENTS WHO LIVE OUTSIDE CALIFORNIA

CONNECT TO LIBRARY;

CREATE TABLE "USER."

"STUDENT WHO LIVE OUTSIDE CALIFORNIA" (

"STUDENT ID" CHARACTER (4) NOT NULL,

NAME CHARACTER (25) NOT NULL,

"STREET NUMBER" CHARACTER (10) NOT NULL,

"STREET NAME" CHARACTER (25) NOT NULL,

CITY CHARACTER (25) NOT NULL,

STATE CHARACTER (10) NOT NULL,

EMAIL CHARACTER (25) NOT NULL,

"PHONE NUMBER" CHARACTER (15) NOT NULL );

CONNECT RESET;

TABLE OF STUDENTS WHO LIVE OUTSIDE CALIFORNIA

STUDENTID

STREETNUMBER

STREET NAME

CITY

STATE

EMAIL

PHONENUMBER

CHAR (4) NOT NULL

CHAR (25) NOT NULL

CHAR (10) NOT NULL

CHAR (25) NOT NULL

CHAR (25) NOT NULL

CHAR (25)

CHAR (25)

CHAR (15)

LILY

EL CAMINO

ALBANY

KY

650-123-8000

MATT

CAMPBELL

BOWLING GREEN

OH

312-567-4650

DAVID

PEACH

JACKSON

MS

650-338-9910

TIM

DECATUR

DECATUR

GA

770-323-9955

SUE

DACULA

DACULA

GA

770-808-8688

SQL STATEMENT FOR STUDENTS WHO TAKE ITM440 COURSE

CONNECT TO LIBRARY;

CREATE TABLE "USER." "STUDENTS WHO TAKE IITM40 COURSE" (

"NAME" CHARACTER (25) NOT NULL,

"COURSE ID" CHARACTER (10) NOT NULL,

"COURSE TITLE" CHARACTER (50) NOT NULL,

CREDIT CHARACTER (1) NOT NULL );

CONNECT RESET;

NAME OF STUDENTS WHO TAKE ITM440 COURSE

COURSEID

COURSETITLE

CREDIT

CHAR (25) NOT NULL

CHAR (10) NOT NULL

CHAR (50) NOT NULL

CHAR (1) NOT NULL

JOHN

DATABASE TECHNOLOGY AND DATABASE ADMINISTRATION

4

MARY

DATABASE TECHNOLOGY AND DATABASE ADMINISTRATION

4

JASON

DATABASE TECHNOLOGY AND DATABASE ADMINISTRATION

4

BOB

DATABASE TECHNOLOGY AND DATABASE ADMINISTRATION

4

LILY

DATABASE TECHNOLOGY AND DATABASE ADMINISTRATION

4

MATT

DATABASE TECHNOLOGY AND DATABASE ADMINISTRATION

4

DAVID

DATABASE TECHNOLOGY AND DATABASE ADMINISTRATION

4

JASON

DATABASE TECHNOLOGY AND DATABASE ADMINISTRATION

4

TIM

DATABASE TECHNOLOGY AND DATABASE ADMINISTRATION

4

SUE

DATABASE TECHNOLOGY AND DATABASE ADMINISTRATION

4

SQL STATEMENT FOR STUDENT NAMES, COURSE TAKEN AND GRADES

CONNECT TO LIBRARY;

CREATE TABLE "USER." "STUDENT NAMES, COURSE TAKEN AND GRADES" (

"NAME" CHARACTER (25) NOT NULL,

"COURSE TITLE" CHARACTER (50) NOT NULL,

"GRADE" CHARACTER (1) NOT NULL );

CONNECT RESET;

TABLE FOR STUDENT NAMES, COURSE TAKEN AND GRADES

COURSETITLE

GRADE

CHAR (25) NOT NULL

CHAR (50) NOT NULL

CHAR (1) NOT NULL

JOHN

DATABASE TECHNOLOGY AND DATABASE ADMINNNNISTRATION

A

JOHN

Principles of Finance and Financial Information Systems

B

JOHN

Computer-Human Interaction, Groupware, and Usability

B

MARY…

Sources Used in Documents:

References

Allen, S. And Terry, E. (2005), Beginning Relational Data Modeling. Chapter 2. Introducing Relational Theory . Springer. USA.

Johnson, R. (2011).Functional dependencies, decompositions, normal forms. University of Toronto.

Litwin, P. Getz, K. & Gunderloy, M. (2002).Fundamentals of Relational Database Design. Microsoft Access 2 Developer's Handbook. USA. Sybex Inc.

Orr, N.(2007). Understanding and using the Database Design Report - Part 1. Goya Pty Ltd.


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