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PostgreSQL 19 to Enable Data Checksums by Default; SQLite Security Internals Explored

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This week's database roundup covers three notable developments across SQLite and PostgreSQL ecosystems. A SQLite forum thread examines secure data deletion and efficient BLOB updates, highlighting how sensitive data may remain recoverable after standard deletion and how developers can mitigate this. PostgreSQL 19 is set to enable data checksums by default, a change from the current opt-in model that will help detect silent data corruption caused by hardware faults or file system issues. A new PostgreSQL extension called PL/CBMBASIC brings Commodore 64 BASIC as a procedural language to the database, showcasing the creative extensibility of PostgreSQL. Together, these updates reflect ongoing community focus on security, data integrity, and unconventional extensibility in open-source databases.

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