DatabaseFundamentals
Build a solid foundation in modern database concepts and PostgreSQL architecture. This course sets the groundwork for your entire PostgreSQL mastery journey.
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Course Lessons
Understanding Modern Databases
This foundational lecture explores the evolution of data management from simple file systems to sophisticated modern databases. You'll discover why databases became essential for business operations, starting with the limitations of traditional file systems that led to problems like data redundancy, inconsistency, and security issues. The lesson traces the fascinating 60-year journey from IBM's hierarchical databases in the 1960s through the relational revolution initiated by Edgar Codd, the NoSQL movement driven by companies like Google and Amazon, and today's hybrid NewSQL approaches.
Deep Dive into Relational Databases
This comprehensive lecture explores the foundations and enduring relevance of relational databases, starting with Edgar Codd's revolutionary 1970 paper that introduced the relational model. You'll trace the evolution from hierarchical and network databases to the SQL-based systems that power most enterprise applications today, including key milestones like IBM's System R project, the development of SQL, and the crucial ANSI/ISO standardization efforts, particularly the transformative SQL-92 standard that introduced advanced JOIN operations and enhanced data integrity features.
Introduction to PostgreSQL
This comprehensive lecture introduces you to PostgreSQL, tracing its fascinating journey from the mid-1980s Ingres project at UC Berkeley through its evolution to become one of the world's most advanced open-source relational databases. You'll discover how Michael Stonebraker's vision led to the creation of Postgres, and how community-driven development transformed it into PostgreSQL, exploring key milestones from version 6.0 in 1996 through the rapid innovation cycles of recent releases that have accelerated PostgreSQL's development to meet modern data management demands.
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