Listing 4 shows an excerpt from a method that establishes a DB2 database connection.

清单4显示了一个用于建立DB 2数据库连接的方法的摘录。

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It is in this method call that the database connection is obtained and subsequently closed.

就是在该方法调用中，我们获得然后再关闭数据库连接。

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Using this method, a connection is created each time you access the database from your program, thereby incurring a substantial processing overhead.

通过该方法，每当您从程序访问数据库时，都要创建连接，从而招致大量的处理开销。

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And many FIX-enabled financial apps don't even use passwords for their sessions, mainly because the apps were originally mostly built for use internally for a private connection between business partners -- rather than over the Internet, which is increasingly becoming the preferred method.

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