Mastering Postgres
Introduction
Introduction to the course
Overview of course structure
Postgres vs. everyone
The psql CLI
Data Types
Introduction to schema
Integers
Numeric
Floating point
Storing money
NaNs and infinity
Casting types
Characters types
Check constraints
Domain types
Charsets and collations
Binary data
UUIDs
Boolean
Enums
Timestamps
Timezones
Dates and times
Advanced Data Types
Intervals
Serial type
Sequences
Identity
Network and mac addresses
JSON
Arrays
Generated columns
Text search types
Bit string
Ranges
Composite types
Nulls
Unique constraints
Exclusion constraints
Foreign key constraints
Indexing
Introduction to indexes
Heaps and CTIDs
B-Tree overview
Primary keys vs. secondary indexes
Primary key types
Where to add indexes
Index selectivity
Composite indexes
Composite range
Combining multiple indexes
Covering indexes
Partial indexes
Index ordering
Ordering nulls in indexes
Advanced Indexing
Functional indexes
Duplicate indexes
Hash indexes
Naming indexes
Understanding Query Plans
Introduction to explain
Explain structure
Scan nodes
Costs and rows
Explain analyze
Generating Results
Introduction to queries
Cross joins
Inner joins
Outer joins
Subqueries
Lateral joins
ROWS FROM
Filling gaps in sequences
Subquery elimination
Combining queries
Set generating functions
Indexing joins
Advanced SQL
Introduction to advanced SQL
Grouping
Grouping sets, rollups, cubes
Window functions
CTEs
CTEs with window functions
Recursive CTE
Hierarchical recursive CTE
Handling nulls
Row value syntax
Views
Materialized views
Removing duplicate rows
Upsert
Returning keyword
COALESCE + generated column
Full Text Search
Introduction to full text search
Searching with LIKE
Vectors, queries, and ranks
Websearch
Ranking
Indexing full text search
Highlighting
Advanced JSON
Intro to JSON
JSON vs JSONB
Validating JSON
Creating JSON objects + arrays
JSON extraction
JSON containment
JSON existence
JSON recordset
Updating JSON
Indexing JSON parts
GIN index
Vectors (pgvector)
Intro to pgvector
Vector embedding columns
Find related articles
Upsert vector embedding
Semantic search
Other operators
Vector indexes
Outro
Thank you
Bonus interviews
Heroku's glory days & Postgres vs the world (with Craig Kerstiens)
Creating a Postgres platform with Monica & Tudor from Xata.io
Bootstrapping an email service provider (with Jesse Hanley)
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Indexing
Primary key types

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Aaron is a natural teacher and this course is the best introduction to Postgres I have come across. Lessons are easy to follow and he recommends some great tools for working with Postgres.
Joel Drumgoole
Joel Drumgoole
XataXata

PostgreSQL database platform

Shorten dev cycles with branching and zero-downtime schema migrations.

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