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Databases & messaging · #firebird
Learn how Firebird’s nbackup utility creates online incremental backups without locking tables, with a concrete example, verification steps, and key trade‑offs.
Use Firebird’s FIRST and SKIP clauses for efficient server‑side pagination, ensuring deterministic ordering and avoiding performance pitfalls.
Reduce I/O and downtime on large Firebird databases with online nbackup full plus incremental snapshots, plus retention and verification practices for reliable restore chains.
In a Firebird 3.0 database, a table is subject to frequent UPDATE and INSERT statements from several concurrent sessions. A reporting session repeatedly executes the same SELECT statement under the READ COMMITTED isolation level, expecting to see the latest committed changes after each transaction completes. Occasionally the query returns rows that reflect a