Explanation: Number of host variables not valid.
说明:主机变量无效号码。
Using host variables in a static SQL program would have a similar benefit.
在静态SQL程序中使用主机变量也可以获得类似的好处。
PDA decides whether the strings can be sent as host variables or parameter markers.
PDA决定将这些字符串以主机变量还是参数标记符的形式发送。
ODBC applications do not require the explicit declaration and use of host variables.
ODBC应用程序不需要显式声明,也不需要使用宿主变量。
For a Unicode database, you should use host variables instead of using string constants.
对于Unicode数据库,您应使用主机变量来代替字符串常量。
The REOPT bind option affects the optimization of statements that contain parameter markers or host variables.
REOPT绑定选项将影响其中包含参数标记或主机变量的语句的优化。
Let's say that: V1 and: V2 are host variables, with: V2 containing a date value. Now, consider this predicate.
我们假设:V1和:V 2是主机变量,:V2包含一个日期值。
High: This tracing level captures all of the information included in medium - level tracing, plus host variables.
High:此跟踪级别捕捉中级跟踪涉及的所有信息,再加上主机变量。
In addition, the application encoding bind option can also define the CCSID for the host variables in the program.
此外,应用程序编码绑定(bind)选项也可以为程序中的主机变量定义CCSID。
This provider now supports host variables, modules, the ARRAY data type, compound statements, and variable length timestamps.
目前这个提供程序支持主机变量、模块、ARRAY数据类型、复合语句和可变长度时间戳。
XML serialization is the process of binding out the Unicode XML values into host variables, for eventual transportation back to the client.
xml串行化是将unicode xml值绑定到主机变量,以便最终传回客户机。
It also builds upon the concept of externally described data structures, a way of soft coding the host variables used by fixed-list dynamic SQL.
它还构建在外部描述的数据结构的概念之上,这是固定列表动态sql使用的主机变量的一种软编码方法。
In some cases, the access path does not perform well at runtime if the statement contains host variables, parameter markers, or special registers.
某些情况下,如果语句包含主机变量、参数标记或特殊寄存器那么访问路径在运行时的性能不会很好。
You have also examined how the use of parameter markers/host variables may limit the consideration of distribution statistics by the DB2 optimizer.
您还研究了参数标记/主变量的使用会为DB2优化器对分布统计信息的考虑带来怎样的限制。
With host variables or literals, DB2 does not consider this factor for non-index predicates; only you can take this fact into account and code accordingly.
使用主变量或实际文本时,DB 2不会对非索引考虑这个因素;只有您能够考虑这个因素并相应编码。
For example, the optimizer does not know the values of host variables or parameter markers (if these are contained in the query) until the query is executed.
例如,优化器到执行时才会知道主机变量或参数标记的值(如果查询中包含的话)。
This can occur if the IN list contains parameter markers or host variables which prevent the optimizer from using catalog statistics to determine the selectivity.
如果IN列表中包含参数标记符或主机变量,使优化器不能使用编目统计信息来确定选择性,就会出现这种情况。
As we've discussed in this article, the DB2 optimizer may choose a sub-optimal access plan when there are host variables or parameter markers in the SQL statement.
正如我们在本文讨论的,如果sql语句中存在主机变量或参数标记,那么DB 2优化器可能会选择一个次优化的存取计划。
Taking into account any host variables and parameters used, to preview result sets, and to auto-rollback any side effects that the execution of SQL statements may cause.
运行sql语句时,将考虑所使用的全部主机变量和参数,以预览结果集,并自动回滚执行sql语句导致的副作用。
Try out the examples in this article to experience how you can improve runtime performance for queries that contain host variables or parameter markers by using the REOPT option.
通过尝试本文所给出的示例,您就能够体验到如何使用REOPT选项来提高那些包含主机变量或参数标记的查询的运行时性能。
Whenever any request is sent from a DB2 client to the DB2 server, all character data (such as queries or char host variables) is converted from the client code page to the database code page.
每当从DB 2客户机发生任何请求到DB 2服务器,所有字符数据(例如查询或CHAR主机变量)都要从客户机代码页转换为数据库代码页。
Within the debug perspective you can see details of the deployed message flows for a selected host, see the variables including message content and the message flow being debugged.
在调试视图中,您可以看到所选主机的部署消息流的详细信息,并看到包括消息内容的变量和正在调试的消息流。
Instead, you used HATS global variables to determine the state of your host application, and to determine when to apply your multiple rendering sets.
相反,您使用HATS全局变量以确定主机应用程序的状态,并确定何时应用您的多个呈现集。
Factor in a host of other complex variables, and it might simply be easier to avoid making the decision at all, rather than wade through the depressing list of regretful scenarios.
再考虑到许多其他的复合变量,与在各种让人头疼的烦人景象中艰难的做出选择相比,读者们也许更容易放弃做这个选择。
His team have gathered and analysed DNA from 123 Singaporean couples to see if it can be matched with a host of work-related variables, starting with job satisfaction.
他的团队已经收集并分析了123对新加坡夫妇的DNA,从工作满意度作为一个研究起点,看看实验结果是否可以和众多与工作相关的变量相吻合。
The setting of these two special variables triggers a redirect to a URL wherein var://service/routing-url defines the protocol/host/port portion and var://service/URI sets the destination path.
这两个特殊变量的设置将触发到一个URL的重定向,其中var://service/routing-url定义protocol/host/port部分,var://service/URI设置目的地路径。
Exercise caution before implementing remote logins with keystroke dynamics, as network latency and a host of other variables need to be considered for reliable verification.
在用击键力学实现远程登录之前注意练习,因为要进行可靠验证,需要考虑网络延迟和许多其他变量。
In order to make the best decision, you need information on prices, compatibility, software, hardware, and maintenance agreements, among a host of other variables.
为了做最佳的决定,你需要价格、兼容性、软件、硬件、以及维修保养的合同,以及其它一切的变数。
Selected 18 characters of parasitic wasp and host as variables, through SPSS to cluster analysis of parasitic wasp. The result is match with the classical phylogeny affiliation of parasitic wasp.
选取寄生蜂的18个特征作为指标,利用SPSS对寄生蜂进行聚类分析,结果与传统的寄生蜂系统发育关系基本相符。
Selected 18 characters of parasitic wasp and host as variables, through SPSS to cluster analysis of parasitic wasp. The result is match with the classical phylogeny affiliation of parasitic wasp.
选取寄生蜂的18个特征作为指标,利用SPSS对寄生蜂进行聚类分析,结果与传统的寄生蜂系统发育关系基本相符。
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