The SQL statements and commands submitted in a pass-through session do not go through the federated query compiler.
在pass - through会话中提交的sql语句和命令不会通过联邦查询编译器。
A pass-through session allows you to submit SQL statements and some subset of commands directly to a remote server.
pass - through会话允许直接提交sql语句和部分命令到一个远程服务器。
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