1. Database Fundamentals
Objective 5.01: Understand database tables used in business
Obj. 5.01: 1-Database-Fundamentals-Ppt. revised for 09-10

2. What is a Database?
Database - a tool used to organize, store, retrieve, and communicate (report on) groups of related information.
Databases help you manage practically endless types of information: sales and inventory numbers, student records, or a home collection of DVDs, CDs, and videotapes, just to name a few.
Obj. 5.01: 1-Database-Fundamentals-Ppt. revised for 09-10

3. Examples of Databases Telephone book Online library card catalog
Media Center information
Encyclopedias
Dictionaries
eBay and other online
businesses
Inventory
Keep track of customers, products, vendors, pay pal accounts
Business stock inventory
Barcode scanner keeps inventory in database
Fingerprint database
iTunes
Personal address book
Student data (NCWISE),
such as Student ID #’s
Obj. 5.01: 1-Database-Fundamentals-Ppt. revised for 09-10

4. Why do businesses use databases?
A database is a tool used by businesses to manage the huge amount of data required to run the business.
keep track of employee information, customers, products, and prices of products.
information can be easily and efficiently managed and shared by database software.
Obj. 5.01: 1-Database-Fundamentals-Ppt. revised for 09-10

5. What makes a Database? Databases consist of 4 main Objects:
Tables - store data in rows and columns
Queries - retrieve and process data
Forms - control data entry and data views
A form is a customized manner of inputting data into a database or presenting data on a screen.
Reports - summarize and print data
Tables
All databases contain one or more tables.
Queries
Queries can combine data from different tables, update your data, and perform calculations on your data.
Obj. 5.01: 1-Database-Fundamentals-Ppt. revised for 09-10

6. Tables Tables store data Tables- used to group
the essential building blocks
Tables- used to group
and organize information within a database.
All databases contain at least one table.
Each database usually consists of one or more tables.

7. Tables Databases should have a separate table for every major subject
employee records or customer orders.
Data should not be duplicated in multiple tables.

8. Tables 1. Table – arrangement of columns and rows Made up of
Rows called Records
Columns called Fields
Obj. 5.01: 1-Database-Fundamentals-Ppt. revised for 09-10

9. Table Components: Entry, Field, Record
2. Entry - a single piece of data in a database table.
Data is typed into a Field
as an entry
3. Field - a grouping or category of similar information
represented by a COLUMN, comprised of entries.
4. Record is a complete description of all of the fields related to one item in a table.
Obj. 5.01: 1-Database-Fundamentals-Ppt. revised for 09-10

10. Tables A Field is a unique identifier
3. A Field is a grouping or category of similar information contained in a table.
A Field is represented by a COLUMN.
It is comprised of entries.
A Field is a unique identifier
for a category of information.
It is one item or bit of
information in a record.
Obj. 5.01: 1-Database-Fundamentals-Ppt. revised for 09-10

11. Tables
4. Record - a combination of fields related to one item in a table.
Everything on one row is a record.
Obj. 5.01: 1-Database-Fundamentals-Ppt. revised for 09-10

12. Database Tables: The Big Picture
Entries
Field
4. Record
3. FIELDS (columns)
4. RECORDS (rows)
Distribute B “Parts of a Database” Activity and B “Parts of a Database Activity Two” Activity for students to work on.
2. ENTRIES (cells)
To calculate the number of entries in a database--multiply the number of fields by the number of records.
Ex. 5 fields(columns)*26 rows (records) = 130 entries in this database.
Obj. 5.01: 1-Database-Fundamentals-Ppt. revised for 09-10

13. What is the answer? Name Birth date Social Security No. Street City
State
Zip
Phone
Each item on the left is classified as a/an:
Table
Record
Field
Entry
Obj. 5.01: 1-Database-Fundamentals-Ppt. revised for 09-10

14. What is the answer? Susan Almond 10/22/1985 245-88-9845
31 Bessemer St.
Greensboro NC
25233
Each item on the left is classified as a/an:
Table
Record
Field
Entry
Obj. 5.01: 1-Database-Fundamentals-Ppt. revised for 09-10

15. What is the answer? Susan Almond 10/22/1985 245-88-9845
31 Bessemer St.
Greensboro NC
25233
All of the information about Susan Almond is classified as a/an:
Table
Record
Field
Entry
Obj. 5.01: 1-Database-Fundamentals-Ppt. revised for 09-10

16. What is the answer?
Information about multiple employees is classified as a/an:
Table
Record
Field
Entry
Obj. 5.01: 1-Database-Fundamentals-Ppt. revised for 09-10

17. Susan’s Record
Name
Bday SS
Street
City St
Zip
Phone
Almond, Susan
10/22/1985
31 Bessemer St
Greensboro NC
25233
One record is displayed from the Employee Table above. The table contains 8 fields.
Obj. 5.01: 1-Database-Fundamentals-Ppt. revised for 09-10