在继续进行本示例之前，您必须先创建解释表。
You must have the explain tables created before you follow this example.
这些输出参数可用于在解释表中定位该片段的信息。
These output parameters can be used to locate explain information for the section in the explain tables.
表2.如何解释表1。
请注意，在开始这个例子之前，您必须先创建解释表。
Note that you must have the explain tables created before this example.
将数据解释到解释表中。
db 2 exfmt工具用于格式化解释表的内容。
The db2exfmt tool is used to format the contents of the explain tables.
注意：在继续本例的后续步骤之前，您必须先创建解释表。
Note: You must make sure that the explain tables are created before following the steps in this example.
这些输出参数可用于定位解释表中该片段的解释信息。
These output parameters can be used to locate explain information for the section in the explain tables.
现在将用优化器根据实际和虚拟索引选择的访问计划来填充解释表。
This now populates the explain tables with the access plan chosen by the optimizer based on real and virtual indexes.
调用EXPLAIN _ FROM_ACTIVITY填充解释表。
最后，创建解释表，这样您就能够执行解释以了解优化器的操作。
Finally, create explain tables so that you will be able to run explain to understand what the optimizer is doing.
调用explain _ from_activity过程填充解释表。
Call the explain_from_activity procedure to populate the explain tables.
存储过程会输出之前在解释表中填充的explain实例的关键字段。
The stored procedures output the key fields for the explain instance that was populated in the explain tables.
可选的输入或输出参数explain_schema可用于指定保存解释信息的解释表的模式。
The optional input or output argument explain_schema can be used to specify the schema for the explain tables where explain information should be saved.
可选的输入或输出参数explain_schema可用于指定保存explain信息的解释表的模式。
The optional input or output argument explain_schema can be used to specify the schema for the explain tables where explain information should be saved.
这些解释信息会存储在解释表中，它可以由解释格式化实用工具进一步加以处理，如db2exfmt。
The explain information is stored in the explain tables, which can be further processed by explain formatting utility, such as db2exfmt.
片段解释和解释表中explain语句的输出与由db 2 exfmt实用工具生成的输出有一些差别。
There are slight differences between section explain and explain statement output in explain table and by the implications to the output generated by the db2exfmt utility.
如果这个参数不指定值或者指定为NULL，那么它首先会查找当前授权ID下的解释表，然后再在SYSTOOLS模式下查找。
If no value or NULL is specified for this argument, it will first look for explain tables under current authorization ID, then under SYSTOOLS schema.
如果这个参数没有指定值或者指定为NULL，那么它首先会查找当前授权ID下的解释表，然后再在SYSTOOLS模式下查找。
If no value or NULL is specified for this argument, it will first look for explain tables under current authorization ID then under the SYSTOOLS schema.
这些关键字段可作为现有解释格式化工具的输入，例如db2exfmt，它会从解释表提取信息，然后用一种格式化输出显示。
These key fields can be used as input to existing explain formatting tools, for example db2exfmt, which extract the information from the explain tables and present it in a formatted output.
与其他片段解释过程类似，它会将解释输出存储到解释表中，以便使用任何现有的EXPLAIN工具进行处理，如db2exfmt。
Like the other section explain procedures, it stores the explain output in the explain tables for processing using any existing explain tools, such as db2exfmt.
2004年发表在《儿科》杂志上的一份报告解释说，紧张的父母更害怕的是火灾、车祸和溺水，而不是有毒化学物质泄漏。
A 2004 report in the journal Pediatrics explained that nervous parents have more to fear from fire, car accidents and drowning than from toxic chemical exposure.
这能解释为什么它在元素周期表中缺失了吗？
我的版本包括了解释及表中列含义的部分。
My version includes a section to explain the columns in subsequent tables.
如果查询工作负载导致创建许多TEMP表（您可以通过使用解释实用程序来确定）时除外。
The exception would be if the query work load results in many TEMP tables being created (you can determine this by using the explain utility).
表4解释清单17中的代码段，帮助您更好地理解代码的作用及其实现方式。
Table 4 explains the code segment shown in Listing 17 to help you better understand what the code is trying to do, and how it goes about doing its job.
表4解释了用于从第三方系统调整为Web服务的相对于SOA生命周期阶段的活动。
Table 4 explains the activities for adapting from third-party systems to Web Services in relation to the SOA lifecycle phases.
应自上而下地阅读此表来解释信息(如图5所示)。
You read the table from top to bottom to interpret the information (Figure 5).
我们需要引其他一些东西进来才能解释清楚，元素周期表中发生的这种现象。
We need to add something else in order to explain what is going on in the Periodic Table.
清单1给出这个交互式会话，表2详细解释此会话。
Listing 1 shows this interactive session, and Table 2 explains the session in detail.
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