1. Christopher M. Pascucci
Databases
Christopher M. Pascucci

2. What is a Database
a database is a collection of records stored in a computer in a systematic way, so that you to find useful information.
Collection of all the data related to a particular topic or purpose -- for example, student data, customer data or product data.
Most common type of database is a “Relational” database, which is a collection of related tables that share information.

3. Database Structure
Database
Table(s)
Record(s)
Field(s)

4. Database Structure Table Chris Pascucci Grad Student UPENN
Joe Shmoe Undergrad Temple
Jane Dough Undergrad Drexel
Tom Jackson Grad Student Villanova
Fields

5. Definitions Data Field Data Record A single piece of information
Name, Age, City, State, Date, etc…
Data Record
A complete set of related data fields
Student, Customer, Employee

6. Why Use A Database?
To enter data quickly and easily that is stored for later use.
Organize records in different and useful ways.
Locate specific records quickly.
Eliminate data.
Create Queries.
Create Reports.

7. Data Management Software
Database Management Systems (DBMS)
A collection of programs that enables you to enter, organize, and select data in a database.
Examples:
SQL Server
Oracle
Access

8. More Definitions
Filter
Query