In Listing 11, parameterize your query by creating an external file that holds your query.

在清单11中，通过创建保存查询的外部文件使查询参数化。

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Specifies if the query service should write the model to a file when a query is executed.

指定在执行一个查询时查询服务是否应将模型写到一个文件。

youdao

Create an SQC file to execute the main query.

创建一个SQC文件来执行主查询。

youdao

Playing back the files is a bit cumbersome however as the unit has to query up the whole file in order to fast forward or rewind which takes up to a minute sometimes.

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"With the telex you could actually chat with the editor there and then but with e-mail, if something goes wrong during transmission, you can't know it immediately and you get a query on why you did not file, " he says.

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