下面的代码将建立到SAMPLE数据库的连接，并返回SYSCAT模式中所有编目视图的一个列表

The following code establishes a connection to the SAMPLE database and returns a list of all the catalog views in the SYSCAT schema

youdao

如果IN列表中包含参数标记符或主机变量，使优化器不能使用编目统计信息来确定选择性，就会出现这种情况。

This can occur if the IN list contains parameter markers or host variables which prevent the optimizer from using catalog statistics to determine the selectivity.

youdao

选择'System DSN '选项卡，如果对SAMPLEDB DataSource进行了正确编目，那么您将在列表中看到这个数据源。

Select the 'System DSN' TAB and if you cataloged the SAMPLEDB Data Source correctly you'll see it in this list.

youdao

选择 ‘System DSN’选项卡，如果已经正确编目了DB1数据源，您就会在该列表中看到它。

Select the 'System DSN' tab and if you cataloged the DB1 Data Source correctly you'll see it in this list.

youdao

选择 ‘System DSN’选项卡，如果已经正确编目了DB1数据源，您就会在该列表中看到它。

Select the 'System DSN' tab and if you cataloged the DB1 Data Source correctly you'll see it in this list.

youdao