这是一种优化技巧。
The DB2 optimizer is not all-knowing.
DB 2优化器不是无所不知的。
The DB2 optimizer is not all-controlling.
DB 2优化器不能控制一切。
Index advisor and optimizer enhancements.
Index顾问程序和优化器增强。
The DB2 optimizer creates the access plans.
DB2优化器可以创建访问计划。
The optimizer is the heart and soul of DB2.
优化器是 DB2的心脏和灵魂。
What Should You Test with Google Optimizer?
你应该用google网页优化工具来测试什么
The order of indexes is chosen by the optimizer.
索引的顺序由优化器选择。
Storing and applying external optimizer directives.
存储和应用外部优化器指令。
By default, the optimizer considers this type of scan.
默认情况下,优化器考虑这种类型的扫描。
The DB2 optimizer is comprehensive and quite powerful.
DB 2优化器很全面,而且很强大。
After QRW optimization, the DB2 optimizer gets involved.
在QRW优化之后,DB 2优化器就会介入。
The choice of the access method is left to the optimizer.
选择访问方法的任务交给优化器来完成。
The DB2 optimizer is a highly sophisticated cost-based optimizer.
DB 2优化器是一款高度复杂的基于成本的优化器。
You can create, save, and reuse external optimizer directives.
可以创建、保存和重用外部优化器指令。
The optimizer has many types of strategies for optimizing SQL.
优化器有许多类型的优化SQL的策略。
REOPTimizing bind options to improve optimizer plan selection.
重新优化绑定选项以改善优化器计划选择。
To enable the opcode optimizer, add — enable-xcache-optimizer.
要启用操作码优化,添加——enable - xcache - optimizer。
The following explains why the optimizer would add a SORT node.
以下解释了为什么优化器将添加SORT节点。
The optimizer will add more indexes to the IXAND based on cost.
优化器将根据成本向IXAND添加更多索引。
The optimizer USES all applicable XML indexes in the XANDOR plan.
优化器在XAND OR计划中使用所有合适的xml索引。
Another way to influence the optimizer is to use query directives.
影响优化器的另一种方式就是使用查询命令。
Multiple index scans in the optimizer are another big win for OLTP.
优化器中的多索引扫描是OLTP的另一大赢点。
The optimizer will return the best plan using a cost-based decision.
优化器将通过基于成本的决策返回最佳计划。
Generally, the DB2 optimizer can smooth out performance deficiencies.
DB 2优化器通常可以解决性能方面的不足。
The RDBMS optimizer accomplishes this substitution in an automatic way.
RDBMS优化器以自动方式来完成这种替代。
For example, the optimizer must determine whether indexes should be used.
例如,优化器必须确定是否应使用索引。
A value of -1 means that the optimizer determines the degree of asynchrony.
若该选项值为- 1,则意味着优化器自行决定异步程度。
The optimizer performs complex calculations based on a host of information.
优化器根据许多信息执行复杂的计算。
The optimizer performs complex calculations based on a host of information.
优化器根据许多信息执行复杂的计算。
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