Updating catalog statistics, which emphasizes the importance of collecting and maintaining up-to-date database statistics, the lack of which is often the source of many of the performance problems.
更新目录统计信息，这部分强调收集和维护最新数据库统计信息的重要性，缺少这项工作常常是导致许多性能问题的源头所在。
To connect to the database, the server-side code needs to do some basic creating, updating, deleting, and - most importantly - reading of records.
要连接到数据库，服务器端代码需要执行一些基本的创建、更新、删除和—最重要的—读取记录等操作。
It helps updating the database in little increments.
以小的增量更新数据库是有利的。
This DDL can then be executed directly against a server updating the database specification, or stored as a file for distrubution across the enterprise.
然后，可以直接在一个服务器上执行这种DDL，以更新数据库规范，或者将DDL存储为一个文件，以便在企业内发布。
You pass the new values of name, date, and the deleted flag to the update service for updating the record in the database.
您将名称、日期和删除标记的新值传递到更新服务以更新数据库中的记录。
The application was using an SQL database for querying and updating profiles.
应用程序使用SQL数据库查询和更新配置文件。
They encapsulate and abstract all of the data access code for creating, updating, deleting, and displaying information from your database, using JPA entities.
它们使用JPA实体装入并抽象出所有的，您的数据库中用于创建，更新，删除以及显示信息的数据访问代码。
Enable the plug-ins by updating database manager parameters.
通过更新数据库管理器参数，启用插件。
The querying functions are capable of coping with the standard database transactions for creating, reading, updating, and deleting data (known as CRUD operations).
查询函数能够处理标准化数据库事务，以便创建、读取、更新和删除数据(通称CRUD操作)。
Updating XML on the fly does not store the XML request or response in a database, although one or both can be stored.
动态更新XML不会将XML请求或响应存储在数据库中，虽然它们是可以被存储的。
This article has explored some common database functions such as updating a database, displaying query results, joining two tables together, and filtering the results using various filter conditions.
本文已经开发了一些普通的数据库功能，例如：更新一个数据库、显示查询结果、连接两个数据表、以及使用不同的过滤条件筛选结果等。
For example, an update of an employee object that requires updating several database tables that make up the object could be done in a single trip to the database rather than multiple trips.
例如，要更新雇员对象，就需要更新组成该对象的若干数据库表，这可在一个(而非多个)数据库往返行程中完成。
Traditional relational database management systems sometimes use locking to manage concurrency, preventing clients from accessing data while another client is updating that data.
传统的关系数据库管理系统有时使用锁来管理并发性，从而防止其他客户机访问某个客户机正在更新的数据。
Such scenarios may involve more than simply updating a record in a database.
此类场景可能不仅是简单的更新数据库中的记录。
If the message was removed from the queue and then the system failed without updating the database, this system is inconsistent.
如果一条消息已经从队列中被删除，而系统没有更新与此消息相关的数据库中的记录，那么这种系统是不一致的。
In such scenarios, using IBM NAS server discovery by TDS feature, you are only required to do minimal changes, such as updating the new IBM NAS server's hostname in the LDAP database.
在这样的场景中，如果通过TDS特性来发现IBMNAS服务器，那么您只需要进行最少的更改，比如在LDAP数据库中对新的IBM NAS服务器的主机名进行更新。
In fact, updating that object will have no effect on the values that will ultimately be sent to the database.
实际上，更新对象不会对最终发送到数据库的值产生影响。
The function of AIO is to perform disk I/O when SQL statement accessing or updating database data.
AIO的功能是在SQL语句访问或更新数据库数据时，执行磁盘I/O。
Updating the database schema, such as altering tables or adding tables
更新数据库架构，比如更改表或添加表。
Step 6: Enable the plug-ins by updating database manager parameters.
步骤6：通过更新数据库管理器参数启用插件。
This article first presents the XML to SQL wizard, a visual tool that can be used for interactively updating database tables.
本文首先介绍XMLto SQL向导，它是一个可视化的工具，可以用于交互式地更新数据库表。
The Manager Bean then handles the logic for retrieving and updating entities by calling the appropriate JPA APIs to interface with the backend database (Figure 3).
然后Manager Bean处理逻辑，通过访问合适的JPAAPI来与备份数据库相接（图3），来检索以及更新实体。
The actions on the Address database that you need to support include creating, deleting, listing, retrieving, and updating records.
在该Address数据库上您所要支持的操作包括：创建、删除、列表、检索、以及更新记录。
After updating the Library database, we create document types that correspond to each of the four subforms.
升级Library数据库之后，要创建对应着4种派生形式的文档类型。
The CustomerService bean is a utility class that implements methods to access the database for adding, updating, removing, and retrieving customer information.
CustomerServicebean是个工具类，它实现了访问数据库以增加、更新、删除和查询用户信息的方法。
An action performs some function such as starting a batch job, transferring a file, updating a database or calling into a J2EE application.
动作(action)执行一些功能，如开始一批任务、传输一个文件、更新数据库或者调用J2EE应用。
If an error occurs while creating, updating, or deleting an entity bean, the previous state of the database can be restored, and the user can be notified that there was a problem.
如果在创建、更新或者删除一个实体bean时发生错误，那么可以还原到数据库的前一状态并且通知用户存在问题。
Updating a customer quote is a business service, updating a record in a database isn't.
更新客户的报价是一个业务服务，而更新一条数据库中的记录则不是。
As you can imagine, a corresponding change in the database would involve keeping the ejb-jar.xml the same, while updating the schema.dbxmi.
您可以想象得到，数据库中相应的更改将保持ejb - jar . xml不变，同时适当地更新schema . dbxmi文件。
The query changes the state of the database by updating both STOCK and ORDER_LINE.
该查询通过更新STOCK和ORDER_LINE，而更改数据库的状态。
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