multi database operation 多数据库操作
Therefore, the database system performance tuning and optimization, involving multi-layers, are vital for the whole system to be in normal operation.
因此，基于数据库系统的性能调整与优化对于整个系统的正常运行起着至关重要的作用。
The multi-propose connection strategy cannot control the database operation for the same transaction and cannot ensure the ACID attribute, etc.
使用的连接复用策略无法控制属于同一个事务的多个数据库操作，不能保证事务的ACID属性等。
The design meets all anticipation, and has good performance in quick response and multi-dimensional analysis, which ensures its operation in OLAP on database.
本文设计的方案完全可以达到预期的要求，具有较好的快速响应性能和多维分析性能，能有效地完成数据仓库的OLAP操作。
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