Bases de donnéesPlanet PostgreSQLAnglais (fort signal lorsque le volume local est faible)
Bases de données
Introduction When people first start reading PostgreSQL execution plans, they quickly learn a few common scan types: Seq Scan, Index Scan, Index Only Scan. But eventually another one appears that is less obvious: Bitmap Heap Scan, which is…
Yesterday David Steele announced that he is stepping away from pgBackRest. After thirteen years, the most widely-deployed dedicated backup tool in the PostgreSQL ecosystem is no longer maintained. The current release, v2.58.0, is the last…
For thirty years, the answer to “how do I get the DDL for this object?” in PostgreSQL has been: shell out to pg_dump -s and grep. Every tool that has ever needed to reconstruct an object definition — migration tools, schema diff utilities,…
For about fifteen years the answer to “can I turn on data checksums without an initdb?” has been “not really.” pg_checksums showed up in PostgreSQL 12 and made the job survivable, but you still had to shut the cluster down. For anyone…