The compression and query efficiency of some XML data compression algorithm in nowadays is not satisfactory.
现有的一些XML数据压缩算法的压缩率及查询效率不尽如人意。
Compression of XML data and indexes, which improves storage efficiency and runtime performance for certain workloads.
XML数据和索引的压缩，这会改进某些工作负载的存储效率和运行时性能。
New compression support for XML data and indexes reduces disk space requirements and can improve runtime performance of I/O-bound operations.
新的XML数据和索引压缩支持可以减少所需的磁盘空间，可以提高受I/O 限制的操作的运行时性能。
Compression: As the XML data is stored along with the relational data, it can be compressed using compression technology introduced in DB2 9.
压缩：因为XML数据和关系数据存储在一起，因此可以使用DB 2 9中引入的压缩技术对XML数据进行压缩。
Listing 5 shows how querying this view produces information about the percentage of space saved due to the compression of relational data and XML, respectively.
清单5演示如何查询这个视图，从而了解关系和XML数据的压缩分别节省的空间的百分比。
Enable data compression when transferring data over the network, including XML payloads.
在通过网络传输数据时支持数据压缩，包括xml有效负载。
In DB2 9.7, the compression capability for XML data is enabled simply through the compress YES clause of the CREATE table statement, which compresses both relational and XML columns in the table.
在DB 2 9.7中，只需通过CREATEtable语句的COMPRESSyes子句启用XML数据的压缩功能，这会同时压缩表中的关系和xml列。
Compression of XML data stored in the XDA is included in the new release of DB2.
DB2的新版本允许压缩xda中存储的XML数据。
To achieve best compression results, DB2 uses two separate compression dictionaries, one for relational columns and one for the XML Data Area of the table.
为了取得最好的压缩效果，DB2使用两个单独的压缩词典，一个用于关系列，另一个用于表的XML DataArea。
Because XML data is stored as text files, the first logical approach for compressing XML documents was to use the traditional, general-purpose text compression tools (for example, gzip, bzip2).
由于XML数据是以文本文件的形式进行存储的，因此压缩XML文档的第一种逻辑方法是采用传统的通用文本压缩工具(例如：gzip、bzip2)。
It's not uncommon to compress inlined XML data by 70 to 85 percent. The following statement can be used to check the compression ratio of the "product" table.
内联xML数据通常可以达到70%到80%的压缩比。
Second, DB2 compression shrinks the remaining XML and relational data by a factor of 3.
第二，DB 2压缩将剩余的XML和关系数据缩小了3倍。
Exploring XML data and index compression for storage efficiency and performance.
使用XML数据和索引压缩提高存储效率和性能。
For that, this thesis analyzes the characters of the real XML data, especially large volume of XML data, so presentes a new compression algorithm.
为此，本文分析了现实中的XML数据的特性，特别是大数据量的XML数据的特性，据此提出一种新的压缩算法。
By analyzing the working mechanism of VTD-XML parsing model, we make further improvement to the parser by making parallel processing and data compression.
通过分析VTD - XML解析模型的工作机理，进一步提出了从并行化和数据压缩处理等方面对解析过程进行进一步改进的方法。
By analyzing the working mechanism of VTD-XML parsing model, we make further improvement to the parser by making parallel processing and data compression.
通过分析VTD - XML解析模型的工作机理，进一步提出了从并行化和数据压缩处理等方面对解析过程进行进一步改进的方法。
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