DB2 V9.1 中提出了全新的行深度压缩（deep compression）的技术，以应对这种挑战。尽管深度压缩的主要目的是节省存储空间，但是使用它也可以大大节省磁盘 I/O 并提高缓冲池命中率。
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In addition, Deep Compression was used to compress both table and index data.
此外，Deep Compression则被用于压缩表和索引数据。
The enhancements to Deep Compression for XML have led to great results, with compression rates over 65 percent and performance acceleration of more than 1.5 times.
对 XML 的深度压缩改进的效果非常好，压缩率超过 65%，性能提高了 1.5 倍。
In DB2 9.7, row compression, also referred to as deep compression, compresses data rows by replacing patterns of values that repeat across rows with shorter symbol strings.
在DB 2 9.7中，行压缩(也称为深度压缩)通过把跨行重复出现的值模式替换为更短的符号字符串来压缩数据行。
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