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Missed this in PG 18! #postgres We can now add "not null" constraints gradually by using "not valid" initially, which was previously limited to being used for check and foreign key constraint types. Nice. medium.com/@amaan2000mo...
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Async I/O, UUIDv7, skip scan, virtual generated columns, RETURNING OLD/NEW, OAuth 2.0, statistics-preserving upgrades, temporal constraints…
medium.com
PostgreSQL 18: A Feature-by-Feature Deep Dive for Engineers Who Actually Run It
Andrew Atkinson
