The RUNSTATS utility updates statistics in the system catalog tables to help with the query optimization process.
RUNSTATS实用程序用于更新系统目录表中的统计信息，以帮助查询优化过程。
The runstats utility can be used to update statistics in system catalog tables to facilitate the query optimization process.
可以使用runstats实用程序来更新系统编目表中的统计信息，使查询优化过程更容易一些。
Database query optimization for some of the APIs' operations like querying business process and task related objects (usage of materialized views or stored queries) (see the Resources section).
针对某些API操作(如查询与业务流程和任务相关的对象)的数据库查询优化(使用物化视图或存储查询)(请参见参考资料部分)。
New optimization technology in DB2 9.7 enables DB2 to automatically use the XML index officeIdx defined on the underlying XML column to process this query.
DB 2 9.7中新的优化技术让DB2能够自动地使用底层xml列上定义的xml索引officeidx来处理这个查询。
How to process user defined functions incorporated in declarative query languages efficiently is an important aspect of query optimization.
如何高效地处理说明性查询语言中嵌入的用户自定义函数，是查询优化的一个重要内容。
On this basis, it raises a query optimization model for OQL by introducing some query theories of RDB into the query process of OODB, and gives its implement strategy.
在此基础上，将RDB的一些查询理论应用于OODB的查询中，提出了一种OQL的查询优化模型，并给出其实现策略。
The optimization of query sentences is to select operation sequence with minimal costs in terms of given query so as to make query a time-saving and space-saving process.
查询语句的优化就是对于给定的查询，选择代价最小的操作序列，使查询过程既节省时间，又节省空间。
ASQL is a query language based on object algebra. Also we discuss the rules of equivalence transform and can use these rules to process query optimization.
ASQL是基于对象代数的查询语言，本文讨论了对象代数表达式的等价变换规则，利用这些规则进行查询优化。
ASQL is a query language based on object algebra. Also we discuss the rules of equivalence transform and can use these rules to process query optimization.
ASQL是基于对象代数的查询语言，本文讨论了对象代数表达式的等价变换规则，利用这些规则进行查询优化。
应用推荐