Luca Ferrari

Open Source advocate, human being

Why Dropping a Column does not Reclaim Disk Space? (or better, why is it so fast?) You may have noticed how dropping a column is fast in PostgreSQL, haven’t you? written sometime in February 2020 Tags: postgresql , planet-postgresql-org
PHP & OCI: the bad semicolon I discovered with no little pain that OCI does not allow an ending semicolon. written sometime in February 2020 Tags: php , oracle	PHP Namespaces Oddities It seems to me PHP cannot get right even namespaces! written sometime in February 2020 Tags: php , programming
Executing VACUUM by non-owner user VACUUM needs to be run by the object owner! written sometime in February 2020 Tags: postgresql , planet-postgresql-org	Git Rename Limit I saw a new (to me) warning in Magit… written sometime in February 2020 Tags: git , magit , linux

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Why Dropping a Column does not Reclaim Disk Space? (or better, why is it so fast?)