Is the db2 product documentation that provides fundamental performance and tuning concepts . the db2 udb sql reference volume 1 这本书是提供基本性能和调优概念的db2产品文档。
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This is not only an album of beauty but a reference volume for fashion experts - a book worthy of being treasured forever 这是一本美的专辑,同时也是时尚专业工作者极富参考价值的工具书,值得永久珍藏。