Postgresに透過的データ暗号化が欠如している理由
PostgreSQLは長年にわたり透過的データ暗号化（TDE）のネイティブサポートを欠いており、その背景には拡張性とオープンな開発プロセスへのこだわりがある。コミュニティはTDE実装の複雑さやパフォーマンスへの影響を慎重に検討してきたが、サードパーティのソリューションやファイルレベルの暗号化で代替されてきた。近年はTDE追加への関心が高まり、将来のリリースで実現される可能性がある。
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