Specifying True causes the select for update extension to be used whenever the bean is loaded from the database and hold that lock for the duration of the transaction.
选择True会使只要从数据库加载bean，就会使用select for update扩展，并在事务持续过程中维持锁定。
In the pessimistic locking scheme, explicit locks are taken against rows using the SQL SELECT FOR UPDATE statement. Data is then modified, and an SQL UPDATE is issued.
在悲观锁定方案中，通过使用SQLSELECT FOR update语句对数据行进行显式锁定，然后更改数据，并执行SQL UPDATE。
To find the EJBs that use select for update extension, search the weblogic-cmp-rdbms-jar.xml files for this element, noting the EJB project and the EJB name where it is used
要查找使用select for update扩展的EJB，请搜索weblogic-cmp-rdbms-jar.xml文件中的此元素，要注意用到该元素的EJB项目和 EJB名称。
For example, if you select a field that has getter and setter methods, you can also update the names of these methods to reflect the new field.
比方说，如果选择的属性具有getter和setter方法，那么也就可以同时更新这些方法的名称，以反映新的属性。
The most common usage of pureQuery is to select a table and to generate the objects for data access and manipulation, otherwise referred to as CRUD (create, replace, update, delete).
pureQuery的最常见用法是选择一个表，然后生成用于数据访问和操纵（即创建、替换、更新、删除）的对象。
For Application login configuration, select SIBRunAsLogin, click Apply to update the resource reference, then OK.
对于Applicationloginconfiguration，请选择SIBRunAsLogin，单击Apply，以更新资源引用，然后单击ok。
Select the Properties tab for the page and set Next page (if update fails) to main.
为该页面选择Properties选项卡并将Next 页面（如果更新失败）设置为main。
To change the portlet window display option for the static page, in the Properties view select the Portlet window display option and update it to the value that you want.
为了更改静态页面的portlet窗口显示选项，您可以在Properties视图中选择 Portletwindowdisplay 选项，并将其更新为您想要的值。
Use the same process to refresh the current row counts for the GOSALES.PRODUCT_FORECAST table (right click on the table, select Update statistics, click in the SQL Results window).
通过同样的过程刷新GOSALES . PRODUCT _ forecast表的当前行数(右键单击该表，选择updatestatistics，在SQLResults窗口中单击鼠标)。
When you're finished making changes, select the Create Artifact Template action and, when prompted for the name, enter the same name as the template that you want to update.
当您完成更改以后，选择CreateArtifactTemplate操作，当需要输入名字时，输入您想要升级的模板的名字。
If the row does change, the update or delete will fail, and the application logic handles such failures by, for example, retrying the select.
如果确实对这一行进行了修改，那么更新或删除操作将会失败，应用程序逻辑将处理这些失败，例如，重新尝试选择。
You can update a package or set of packages in two ways: automatically search for and apply the latest updates or manually select the updates to apply.
您可以通过以下两种方法更新一个或一组软件包：自动搜索最近的更新或手动选择需要的更新。
For the example, it is not the SELECT statement that caused the problematic lock, but the UPDATE statement executed just before the SELECT statement in the same transaction.
例如，不是select语句造成产生问题的锁，但update语句恰好在同一事务中在select语句前执行。
It should be noted that there are situations where the for UPDATE clause is not available for a given SELECT statement.
需要注意的是，在某些情况下给定的select语句不能使用FOR update子句。
Database-driven objectization (DDO): Select a table and to generate the objects for data access and manipulation, otherwise referred to as CRUD (create, replace, update, delete).
Database-drivenobjectization (DDO)：JLINQ最常用的用法就是选择一个表，为数据访问与操作生成对应的对象，或是对其进行CRUD的操作。
In example 11, we used "select-before-update" for ElectricityDeal, which incurs an extra select for your transient or detached object. But it does avoid unnecessary updates to your database.
在范例11中，我们为electricitydeal加上了select - before - update，这会对瞬时(transient)对象或分离(detached)对象产生额外的select语句，但却能避免不必要的数据库更新。
As a result, the DB2 update lock for the row is released and this row is found by the next SQL select statement in Listing 2.
因此，会释放这一行的DB2更新锁，清单2中的下一个SQLselect语句会看到这一行。
Select Generate traceability, which can be used for object trace in future, and update Schema name as RETAIL_SALES, then click Next.
选择Generatetraceability，未来可将它用于对象跟踪；将Schema名称更新为RETAIL_SALES，然后单击Next。
Select the default profile for new Log Reader Agents. To update existing Log Reader Agents to use the selected profile, select the check box below.
为新的日志读取器代理程序选择默认配置。若要更新现有的日志读取器代理程序以使用选定的配置，请选择下面的复选框。
For each IfxDataAdapter, define the SQL text and parameters for the select, insert, update, and delete commands.
对于每个IfxDataAdapter，需要定义SQL文本，并为select、insert、update和delete命令定义参数。
It provides the functions for executing the SQL select/insert/update/upsert/delete statements via the Teradata DBC/SQL partition.
它提供了通过TeradataDBC/SQL分区执行 SQLselect/insert/update/upsert/delete语句的功能。
The same considerations as for INSERT statements also apply to SELECT or UPDATE statements.
对INSERT语句的这些考虑同样适用于SELECT或 UPDATE 语句。
You can now define multiple INSERT, DELETE, UPDATE, and SELECT triggers on a table and multiple INSTEAD OF triggers for the view.
现在可以在一个表上定义多个INSERT、DELETE、UPDATE和SELECT触发器，也可以在一个视图上定义多个INSTEADOF 触发器。
For instance, the application retries the SELECT and UPDATE operations.
例如，应用程序将重试SELECT和UPDATE操作。
Release the row locks so that other applications can SELECT, INSERT, UPDATE, and DELETE from the table (for example, use isolation level cursor stability or uncommitted read).
释放行锁，以便其他应用程序可以对表执行SELECT、INSERT、UPDATE和DELETE(例如，使用游标稳定性(curs or stability)隔离级别或未提交读(uncommitted read)隔离级别)。
To select the global best position for each particle and update the external archive, a new crowding distance measure is adopted to evaluate particles'density.
通过定义的新拥挤距离测度计算微粒的分布密度，完成微粒全局最优点的选择以及外部储备集的更新。
For improving the classroom teaching quality, it is requires to program multimedia courseware, optimize and update teaching contents, and select proper textbook during preparing for lessons.
针对工科专业课教学特点，为提高课堂教学质量，在备课时，应制作多媒体课件，优化教学内容，选用适用教材，及时更新讲课内容；
For improving the classroom teaching quality, it is requires to program multimedia courseware, optimize and update teaching contents, and select proper textbook during preparing for lessons.
针对工科专业课教学特点，为提高课堂教学质量，在备课时，应制作多媒体课件，优化教学内容，选用适用教材，及时更新讲课内容；
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