a Brief Definition of Relational Database .. database in general relational database most common software

1. RELATIONAL DATABASES
Structural Query Language (SQL) Databases

2. WHAT IS DATABASE ??
• A Software Works Like a Container Used To Store Data

3. TYPES OF DATABASES
SQL DatabasesNon-SQL Databases
Relational DBsAnalytical (OLAP)DocumentGraphColumn-FamilyKey-Value

4. RELATIONAL DATABASES
• A Kind of Databases That Stores Data In Tables
• Each Table Represent an Entity In The System Or A Relation Between To Kind Of
Entities
• Relational Model Means That Each Table Connected With Others By One or More
Keys

5. • The Table Has Columns
• Each Column Describes an Attribute Name
• The Table Has Rows
• Each Row Contains the Values of the attributes
Attribute 1 Attribute 2 Attribute
Value 1 Value 2 Value 3
Value 2 Value 3 Value 4
Value 3 Value 4 Value 5
Row
Column

6. • Each Table Has A Unique Value called Primary Key

7. • The Relation between Tables Represented By A Value From One Of The Tables
Referred In The Other Table .. This Value Called Foreign Key

9. RELATIONAL MODEL

10. SQL DATABASE SOFTWARE

11. Common
Software
Microsoft SQL
Server
Oracl
e
SQLit
e
MySQ
L
Microsoft Office
Access

12. WHY DO I PREFER SQL
SERVER ?
• Simplicity
Very simple and easy for use
• Compatibility
Compatible with a lot of systems (Web based , windows apps)
• Reliability
Reliable when Handling with huge and sensitive Data
• Management
Strong Management (privileges , Accessibility and security)

13. STAY CONNECTED
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