说明：某些数据库参数的错误设置可能会导致数据库错误。
Note: Incorrect Settings for some database parameters can cause database failures.
本文主要关注建立数据库连接以及处理潜在的数据库错误和警告。
This article focuses on establishing the database connection and dealing with potential database errors and warnings.
由于在数据库中存储的信息的重要性，适当地处理数据库错误和警告对于业务是很重要的。
Given the importance of the information you're storing in your database, proper handling of both database errors and warnings can be vital to your business.
容易：即使不必处理数据库错误，构建具有servlet、JSP文件和EJB组件的应用程序也够复杂的了。
It's easy: Building an application with servlets, JSP files, and EJB components is complex enough without having to deal with database errors, too.
这些文件是样例XML文件，可用于测试我们的程序而无须强制数据库错误或使用Optim PerformanceManager。
These are sample XML files that can be used to test our program without having to force database errors or use Optim Performance Manager.
该视图说明了在症状数据库中，错误纪录与相应的信息之间的匹配。
This view shows the match of the error record with corresponding information in the symptom database.
这个脚本只处理一个可能的错误：数据库连接故障。
This script deals with only one possible error: a failure to connect to the database.
如果没有执行该备份，您将收到下面尝试连接数据库的错误。
If you don't, you will receive the error below trying to connect to the database.
如果没有执行该备份，您将收到下面尝试连接数据库的错误。
If you don't you will receive the error below trying to connect to the database.
在选择同步还是异步写日志时，要考虑的一个重要因素就是当数据库管理器发生错误时情况会怎样。
An important factor to take into account when selecting between synchronous or asynchronous log writing is what happens when a database manager error occurs.
当数据库连接失败时，会输出连接错误消息。
If the database connection fails, the connection error message may be output.
将这些信息链接到玩家可以访问的问题数据库，让遇到错误的玩家可以快速轻松地了解是否有升级文件已经解决了这个问题。
Link this information to your gamer-accessible problem database so a gamer who receives an error can quickly and painlessly identify whether an available upgrade is known to fix his problem.
斯科特·罗森博格，在像你这的一些人的帮助下，整理出了一个新闻错误数据库，还注明了这些错误是否得到修改，何时得到修改。
Scott Rosenberg, with the help of people like you, is compiling a database of journalistic errors, including notes on whether or when the mistakes are corrected.
最可能的原因是使用了证书数据库中错误的证书。
The most probable cause is a wrong certificate being used in the certificate database.
如果出现数据库连接错误，文本输出不需要封装到任何标记中，因为简单输出无需任何标记即可在此电话上正确显示。
The text output in the case of an error making the connection to the database is not wrapped in any kind of markup because simple output displays correctly on the phone without the markup.
无论是数据库更新或是MQ 队列产生错误，整个事务都应被取消。
If either the database update or the MQ enqueuing fails, then the entire transaction should roll back.
在启动HADR时，如果主和备用数据库不相同，就会发生错误。
If the primary and standby databases are not identical when HADR is started, an error will occur.
第一步是学习如何查看提供给应用程序的关于数据库遇到的错误的信息，见清单4。
The first step is to learn how to view the information provided to your application about the error encountered by the database, as shown in Listing 4.
然而，试图使用DB 2安装所提供的实用程序直接连接64位的DB 2数据库将导致错误。
However, an attempt to connect to the 64-bit DB2 database directly using the utilities supplied by the DB2 installation will result in an error.
如果出现数据库连接故障，脚本将向电话报告错误。
In the case of failure to connect to the database, the script reports the error to the phone.
通过重要的数据库查询得到的错误数据可以证明存在其他问题。
Another problem may manifest itself with bad data coming from an important database query.
如何创建一些带有错误的数据库对象？
如果在连接数据库时发生错误，则将在另一个Web页面上显示一条消息。
If an error occurs connecting to the database, a message will be shown on another Web page.
那为什么通过（RESTful或其它的）Web服务暴露数据库是错误的呢？
So why is exposing the database through a web-service (RESTful or otherwise) is wrong? let me count the ways
如果数据库出现了错误，您将得到DATABASE_ERROR的错误信息，如图7所示。
If there is something wrong with the database, you get the error message of DATABASE_ERROR, as shown in Figure 7.
如果MongoDB服务器崩溃，应修复数据库以检查错误并执行一些数据精简。
If your MongoDB server crashes, you should repair the database to check for any corruption and perform some data compaction.
他已经将数据库恢复到发生错误的应用程序逻辑之前的状态。
He has restored the database to the state before the bad application logic occurred. Erik verifies this by using data Studio Administrator to check the table row counts as follows.
别忘了手工维护的电子表格或数据库中可能存在人犯下的错误。
Keep in mind that the manual maintenance of spreadsheets or databases is prone to human error.
是的，由于数据库规模如此之大，尽管错误率非常低，错误数量仍然相当大。
Yeah, OK, even a very small error rate in a database of that size gives you a pretty big number.
是的，由于数据库规模如此之大，尽管错误率非常低，错误数量仍然相当大。
Yeah, OK, even a very small error rate in a database of that size gives you a pretty big number.
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