Database Systems
Introduction
First Chapter
View of Data
Instances and Schemas
Data Models
Data Manipulation Language (DML)
Data Definition Language (DDL)
SQL
Database Design
Design Approaches
Database System Internals
Storage Management
Query Processing
Transaction Management
Database Users
Database Administrator
Database Users and Administrators
Database Architecture
Client Server Application Architecture
Popular Databases
Database Processing Models
Information Retrieval
IR vs DB
Relational Basics
- Attribute Types
- Relational Schema and Instance
- Database
- Keys
- Relational Query Languages
Basic Relational Operators
- Selection Operator
- Projection Operator
- Join Operator (Cartesian Product)
- Union
- Set Difference of two relations
- Set Intersection of two relations
- Natural Join
- Overview
Relational Algebra
Additional Operations
Physical Storage Media
Types of Physical Storage Media

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Projection Operator

Projection operator allows selection of columns.

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