Webinar: Identity Columns and Generated Columns in PostgreSQL
Thursday, April 2, 2020 at 4pm UTC
This webinar will cover Identity Columns and Generated Columns in PostgreSQL, with a focus on real-world use cases and examples.
Identity Columns, rolled out in PostgreSQL 10, offer a standard-conforming and robust way to dynamically create auto-incrementing fields in tables.
Generated Columns are computed from other columns and were first introduced in PostgreSQL 12. They enable more flexible schema design and performance benefits for your database. Generated Columns can be virtual or stored based on whether they are computed dynamically or not.
The webinar will walk you through the different types of column methods, how they can be part of your business logic, and will explain the difference between “generated always as identity” and “generated by default as identity” in PostgreSQL 12.
Key topics covered in this webinar will be:
- Creating Identity Columns
- Managing Identity Columns
- Identity Columns vs. other auto-incrementing column methods
- Creating Generated Columns
- Stored vs. Virtual columns
- Replacing triggers with Generated Columns
Chief Technology Officer | 2ndQuadrant
Peter Eisentraut is a Core Team Member of the PostgreSQL project and Chief Technology Officer (CTO) at 2ndQuadrant. Peter is also a Debian developer, open-source hacker, and an occasional book author.
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