DB2 UDB V5 extended parallel processing even further by introducing sysplex query parallelism.
DB 2 UDB V 5引入了sysplex查询并行，进一步扩展了并行处理。
Query optimization and processing is a critical component of parallel database systems.
查询优化和处理是并行数据库管理系统的关键组成部分。
Based on this, the parallel processing strategy for cyclic query is proposed.
以此为基础，进一步提出了循环查询的并行处理策略。
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