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Introduction to Database

Simplified Database System

Characteristics of the Database Approach

Database System concepts and Architecture

Schemas, Instances and States

Three-schema Architecture

DBMS Languages

DBMS Architectures

Physical centralized architecture

Logical two-tier client/server architecture

Logical three-tier client/server architecture

Data Modeling Using E-R Model

E-R Diagram

Relationship

Weak Entity Types

Relational Data Model

Constraints

Update Operations

SQL

Specifying Constraints

Basic Retrieval Queries

More SQL

NULL

Nested Queries

Use of (NOT) EXISTS

SQL Joins

Aggregate Functions

Alter and Dropping

Relational Algebra and Relational Calculus

Relational Algebra

Unary Relational Operations

Relational Algebra Operations From Set Theory

Binary Relational Operations

Additional Relational Operations

Query Tree Notation