To begin, start the ij tool, and connect to a database, as shown in Listing 1.
开始时，启动ij工具，连接到数据库，如清单1 中所示。
And two-tier systems perform poorly when a fat client must connect to a database over the WAN.
当胖客户机必须通过WAN连接到数据库时，两层系统的性能较差。
You need to connect to a database before you can use SQL statements to query or manipulate data.
在使用SQL查询或处理数据之前，需要连接到一个数据库。
Domino database access requires programmers to initialize a Notes session and connect to a database.
Domino数据库访问要求程序员初始化Notes会话并连接到数据库。
In any case, JDBC makes it simple to connect to a database, and then use results from SQL queries to populate VXML.
无论如何，JDBC都能使您轻松连接数据库，然后利用SQL查询的结果填充VXML。
Notice that the getDatabaseConnection() method has nothing to do with parts — it is generic functionality to connect to a database.
注意，getDatabaseConnection()方法没有对parts 做任何操作 —它只提供通用的数据库连接功能。
To obtain this information, you may invoke a Web service, connect to a database, perform complex logic, or aggregate data from multiple sources.
为了获得这些数据，您可能需要调用Web服务、连接到数据库、执行复杂的逻辑运算或从多个数据源汇总数据。
Using the local data approach, you can not only connect to a database file, but you can also integrate the database file into your application.
使用本地数据方法，不仅可以连接到数据库文件，而且还可以将数据库文件集成到您的应用程序中。
Before doing any database operation, you must establish a connection to a database server. In PHP, you use the following function to connect to a database.
在执行任何数据库操作之前，必须建立到数据库服务器的连接。
In DB2 you always connect to a database before issuing database specific commands; therefore, under this architecture, object names need not include the database name.
在DB 2中，在发出与数据库相关的命令之前，总是要连接到数据库。因此，在这种架构下，对象名称不需要包括数据库名称。
This process used a Type 4 JDBC driver from the Apache Derby project to connect to a database, extract metadata from the database, and then close the database connection.
这个过程使用ApacheDerby项目中的Type4JDBC驱动程序连接数据库，从数据库中提取元数据，然后关闭数据库连接。
For example, you may need to use a user ID and password to connect to a database or you may be storing user IDs and passwords that customers use to access your application.
例如，您需要利用使用者ID和密码以连接至资料库，或者您可能要储存客户用于存取应用程序的使用者ID和密码。
For example, you may need to use a user ID and password to connect to a database or you may be storing user IDs and passwords that customers use to access your application.
例如，您需要利用使用者ID和密码以连接至资料库，或者您可能要储存客户用于存取应用程序的使用者ID和密码。
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