You can edit this file in SQL Server Management Studio and run it from there or save it and use the wizard to load and run your file.

用户能够在SQL Server Management Studio中编辑该脚本文件，之后就可以在其中运行脚本或是将其保存起来并通过向导加载并运行脚本文件。

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Like other relational database management systems such as Oracle and SQL Server, Informix has its internal optimizer, which is responsible for selecting the best query execution plan.

与Oracle和SQL Server等其他关系数据库管理系统一样，Informix也有内部优化器，负责选择最佳的查询执行计划。

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The external data source could be another DBMS (database management system) like Oracle or SQL Server, or just an Excel sheet.

外部数据源可以是另一个 DBMS（数据库管理系统），比如 Oracle 或 SQL Server，也可以仅仅是 Excel 文件。

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