Instant database clones with PostgreSQL 18

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Have you ever watched a long running migration script , wondering if it's about to wreck your data? Or wish you can "just" spin a fresh copy of database for each test run? Or wanted to have reproducible snapshots to reset between runs of your test suite, (and yes, because you are reading boringSQL) needed to reset the learning environment? When your database is a few megabytes, pg_dump and…

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