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。
In most cases, the issue is an incorrect parameter or access problem.
在某些情况下,问题是参数不正确或访问问题。
As the previous section described, parameter marker usage in SQL statements fosters access plan reuse.
如上节所述,sql语句中的参数标记使用可促进访问计划重用。
Nevertheless, another access plan is generated when parameter markers are used.
然而,使用参数标记时,将生成另一个访问计划。
Operation: From each operation element a function stub in the data access library is generated, and each operation parameter becomes an EGL parameter.
操作:每个操作元素在数据存取库中产生出一个功能桩模块,并且每个操作参数变成一个EGL参数。
As a best practice, change the default value of each instance-level authority parameter to an explicit group name in order prevent unintended super-user access.
作为一项最佳实践,应该将每个实例级权限参数的缺省值改为一个显式的组名,以防止意料之外的超级用户访问。
It USES the access control definitions provided by the third parameter shown in Listing 9 to make authorization (or access control) decisions.
它使用清单9中第三个参数提供的访问控制定义来指定授权(或访问控制)决策。
The audit parameter on a RACF profile provides a way to audit both successful and unsuccessful attempts to access any resources that the profile protects.
racf概要文件上的AUDIT参数提供一种方式来审计对概要文件包含的资源的访问尝试,不管访问是否成功。
Higher values for this parameter can influence the optimizer to choose access plans that are more conservative in buffer pool usage.
该参数值较高可能会影响优化器在缓冲池使用中对比较保守的存取方案的选择。
To enable access plan reuse, rewrite the SQL statement using a parameter marker, as shown in Listing 3.
要实现访问计划重用,使用一个参数标记重写SQL语句,如 清单3 所示。
The parameter ALLOW WRITE ACCESS in a RUNSTATS command specifies that other users can read from and write to the table while statistics are calculated.
在RUNSTATS命令中的参数ALLOWWRITEACCESS指定计算统计信息时,其他用户可以读取或写入该表。
Changing a single parameter may give the user unauthorized access.
—改变一个单一的参数可能给用户未授权的访问。
The isolation level is set on the database connection and, as we will see later, the access intent policy in use will determine how the application server will set this parameter.
在接下来的部分,我们不仅会对置于数据库连接上的隔离级有所了解,还将会使用访问意图策略来确定应用服务器是怎样设置这些隔离级的。
There might be performance implications in using the JACC method parameter-based access.
在使用JACC基于方法参数的访问时可能会存在性能影响。
The parameter ALLOW read access in a RUNSTATS command specifies that other users can have read-only access to the table while statistics are calculated.
在RUNSTATS命令中的参数ALLOWREADACCESS指定计算统计信息时,其他用户可以只读地访问该表。
This parameter indicates the network location of the remote Access Manager server when authorizing users at run time.
此参数在运行时向用户授权的时候指示远程AccessManager服务器的网络位置。
Parameter markers are allowed because the Design Advisor does not actually execute the statements, it only evaluates alternative access plans for them.
可以存在参数标记,因为Design Advisor并没有实际执行sql语句,它仅为它们计算其他可行的访问计划。
Access to the account is provided by a pointcut parameter.
对帐户的访问,由pointcut参数提供。
If you want to restrict the users who can access a share, use the valid users parameter.
如果您希望限制可以访问共享的用户,那么可以使用validusers参数。
You can accomplish the same provider concept in the older Apache SOAP implementation, but you have a little more work to do to access the method and parameter values.
您可以在旧的ApacheSOAP实现中完成同一个提供程序概念,但是为了访问方法和参数值,您要多做一点儿工作。
Similarly, if you need to access the object that emitted the signal, you use the first parameter, which is button in this specific callback.
类似地,如果需要访问发出信号的对象,就要使用第一个参数,在这个具体回调中是button。
The first parameter specifies whether or not only those MIDlets in the same suite can access the record store.
第一个参数指定是否只有位于相同套件中的MIDlet才能访问这个记录存储。
The Class reflection calls to access field information are similar to those used to access constructors, with a field name used in place of an array of parameter types.
获得字段信息的Class反射调用不同于那些用于接入构造函数的调用,在参数类型数组中使用了字段名。
The MediaWiki API also lets you access current or previous versions of page content by attaching the prop=revisions parameter to the query action.
MediaWikiAPI还支持通过在查询动作后附加prop=revisions参数来访问页面内容目前或以前版本。
The second parameter is the name of the MySQL user who will access the database.
第二个参数是将要访问该数据库的MySQL用户名。
Once the user is authenticated, the second parameter, populator, retrieves information about the user's access rights (or business roles) from the LDAP directory.
完成身份验证后,第二个参数populator将从LDAP目录中检索有关该用户的访问权限(或业务角色)信息。
To access the preventDefault function, you must pass the handler event through as a parameter and use it to access the function.
要访问preventdefault函数,您必须传递处理函数(即使作为一个参数)或者使用它访问该函数。
The SQL Server 2005 Driver for PHP API includes support for Windows Authentication, transactions, parameter binding, streaming, metadata access, and error handling.(MSDN)
SQLServer 2005Driver forPHPAPI提供了对Windows认证、交易、参数绑定、流、元数据访问和错误处理的支持。
Rather than binding the Account parameter explicitly, JBoss provides reflective access to currently executing objects, requiring a cast to the corresponding type.
JBoss没有显式地绑定Account参数,而是提供了对当前正在执行的对象的反射访问,因此需要把类型转换到对应的类型。
The "access" parameter denotes the type of access (read, write, or execute).
“access”参数表示访问的类型(读、写或执行)。
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