In the previous screen, we selected the DB driver and specified the Data Source user and password.

在上一个屏幕中，我们选择了数据库驱动程序并指定了数据源用户和密码。

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Additionally, the quality of the DB extensions in PHP varied from driver to driver.

此外，PHP DB扩展的质量也随驱动程序的不同而不同。

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The sample code relies on passing user name and password to the JDBC driver and only if those credentials are successfully used to establish a DB connection the visa will be issued.

示例代码依赖于把用户名和密码传递给JDBC驱动程序，而且只有在使用这些凭证成功地建立DB连接的情况下，才会颁发visa。

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