How Modern SQL Databases Come Up With Algorithms That You Would Have Never Dreamed Of

Discover how modern SQL databases employ sophisticated algorithms in this 47-minute virtual Java User Group (vJUG) talk from Devoxx. Explore the power of SQL as a successful fourth-generation programming language and learn how relational databases like Oracle, SQL Server, and PostgreSQL leverage cost-based optimization to deliver exceptional performance. Delve into the advantages of SQL's declarative programming model, understanding how complex queries can be executed in milliseconds against massive datasets. Gain insights into why SQL outperforms hand-written data retrieval algorithms and why it excels as a language for business logic. Follow along as the speakers demonstrate practical examples, discuss database optimization techniques, and explore topics such as cumulative sums, algorithmic complexity, and indexing. Whether you're a database developer or interested in SQL's capabilities, this talk offers valuable knowledge to enhance your understanding of modern SQL databases and their powerful algorithms.

Introduction
Virtual Java User Group
Sequel
What is Sequel
Database Example
Java Class
Java Getters
Java Money
Java Tree Map
Average Enterprise
Secret Developer
Cumulative Daily Revenue
Cumulative Sum
Algorithms are Boring
Stream API
Similarities
Java Algorithm
Cross Supply
Time Spent
Sequel Solution
Equal Solution
Execution Plan
Algorithmic Complexity
Histograms
Indexing