如果希望服务器选项设置在应用程序连接到联邦服务器时保持有效，可以使用这个语句。
Use this statement when you want a server option setting to remain in effect only while your application is connected to the federated server.
不管使用何种设置，OPTPROFILE绑定选项适用于所有静态语句。
The OPTPROFILE bind option applies to all static statements, regardless of any other Settings.
将AUTOTRACE选项设置为ON 将允许显示该会话中执行的每条语句的说明和统计信息，以及查询结果，直至 AUTOTRACE 被禁用。
Setting the AUTOTRACE option ON will enable the display of explain and statistics information for each statement executed in that session along with query results, until the AUTOTRACE is disabled.
对于每个选项，case语句会尝试识别该选项——使用短格式或长格式并设置一个变量。
For each option, the case statement then attempts to identify the option, using either the short or long format and setting a variable.
此语句具有多个用于设置开始日期、结束日期和密码的选项。
This statement has several options for setting a start and end date and a password.
如果选中，则根据为代码编辑器选择的格式设置选项在完成时对语句进行格式设置。
When selected, formats statements at completion according to the formatting options selected for the Code Editor.
如果选中，则根据为代码编辑器选择的格式设置选项在完成时对语句进行格式设置。
When selected, formats statements at completion according to the formatting options selected for the Code Editor.
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