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"Secrets of Firebird SQL Optimizer" is now available for pre-order at 50% off!

Great news! Book "Secrets of Firebird SQL Optimizer" is now available (PDF, 420 pages) for pre-order at 50% off! Get this essential guide and take your database optimization skills to the next level.
See more details (contents, sample, links) here: https://firebirdsql.org/secrets-of-firebird-query-performance

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