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Query Processing and Optimization

Transform Slow Queries into Lightning-Fast Performance!

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Query Processing and Optimization
4 Modules

Course Curriculum

4 Modules · 10 Chapters · 10 Topics · 115 Sub-topics

01
Foundation
2 Chapters · 2 Topics · 25 Sub-topics
Database Fundamentals
1 Topics
Database and DBMS Concepts
10 Sub-topics
What is a Database
Database vs File System - Key Differences
Database Management System (DBMS) Explained
DBMS Architecture Overview
Components of a DBMS
Database System Environment
Database Users and Roles
Database Administrator Responsibilities
DBMS Advantages Over File Systems
Types of Database Systems Overview
Relational Database (RDBMS) Concepts
1 Topics
Relational Model Fundamentals
15 Sub-topics
Introduction to Relational Model
Understanding Tables (Relations)
Rows (Tuples) and Records
Columns (Attributes) and Fields
Domain and Data Types Concept
Keys in Relational Databases - Overview
Primary Key Concept and Purpose
Foreign Key Concept and Relationships
Candidate Keys and Alternate Keys
Composite Keys
Super Key Concept
Relational Constraints Overview
Entity Integrity Constraint
Referential Integrity Constraint
Domain Constraint
02
Relational Operations
3 Chapters · 3 Topics · 31 Sub-topics
Relational Algebra Fundamentals
1 Topics
Basic Relational Operations
8 Sub-topics
Introduction to Relational Algebra
Why Relational Algebra Matters
Select Operation (σ)
Project Operation (π)
Union Operation (∪)
Set Difference Operation (−)
Cartesian Product Operation (×)
Rename Operation (ρ)
Relational Algebra Advanced Operations
1 Topics
Advanced Relational Operations
13 Sub-topics
Intersection Operation (∩)
Join Operations Overview
Natural Join (⋈)
Theta Join
Equi Join
Inner Join Concept
Outer Join Concept - Left, Right, Full
Semi Join
Anti Join
Division Operation
Aggregate Functions in Relational Algebra
Grouping Operations
Complex Query Expression Building
Relational Calculus
1 Topics
Relational Calculus Theory
10 Sub-topics
Introduction to Relational Calculus
Relational Algebra vs Relational Calculus
Tuple Relational Calculus (TRC)
Domain Relational Calculus (DRC)
Quantifiers - Existential and Universal
TRC Query Expressions
DRC Query Expressions
Safe Expressions
Equivalence with Relational Algebra
Practical Query Expression Building
03
Query Processing
2 Chapters · 2 Topics · 23 Sub-topics
Query Processing Fundamentals
1 Topics
Query Processing Pipeline
9 Sub-topics
Query Processing Overview
Query Processing Steps
Query Parsing
Query Translation
Query Optimization Goal
Query Execution
Query Processing Architecture
Cost-Based Optimization Concept
Rule-Based Optimization Concept
Query Optimization Concepts
1 Topics
Query Optimization Techniques
14 Sub-topics
Query Optimization Importance
Optimization Strategies Overview
Query Execution Plans
Join Order Optimization
Selection and Projection Optimization
Access Path Selection
Index Selection in Queries
Join Algorithms Overview
Nested Loop Join
Sort-Merge Join
Hash Join
Query Optimization Statistics
Cardinality Estimation
Selectivity Concept
04
Performance
3 Chapters · 3 Topics · 36 Sub-topics
Indexing Fundamentals
1 Topics
Database Indexing Basics
11 Sub-topics
What is an Index
Why Indexing Matters
Index Structure Basics
Clustered vs Non-Clustered Index
Dense vs Sparse Index
Primary Index
Secondary Index
Multi-Level Indexing
Index Trade-offs - Space and Update Cost
When to Create Indexes
When Not to Index
Advanced Indexing Structures
1 Topics
Index Data Structures
12 Sub-topics
B-Tree Index Structure
B-Tree Properties and Operations
B+ Tree Index Structure
B+ Tree vs B-Tree Differences
Hash Index Concept
Hash Index Use Cases
Bitmap Index
Full-Text Index Concept
Spatial Index Overview
Composite (Multi-Column) Index
Covering Index Concept
Index Optimization Strategies
Database Performance Concepts
1 Topics
Performance Tuning and Optimization
13 Sub-topics
Database Performance Factors
Query Performance Analysis
Identifying Performance Bottlenecks
Database Tuning Overview
Schema Design Impact on Performance
Indexing Strategy for Performance
Query Optimization for Performance
Partitioning Concept
Horizontal Partitioning
Vertical Partitioning
Caching Strategies
Connection Pooling Concept
Performance Monitoring Importance

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